diff --git a/gdk-pixbuf/src/auto/pixbuf_animation.rs b/gdk-pixbuf/src/auto/pixbuf_animation.rs
index 689eebb6d94e..94f14d99f738 100644
--- a/gdk-pixbuf/src/auto/pixbuf_animation.rs
+++ b/gdk-pixbuf/src/auto/pixbuf_animation.rs
@@ -137,12 +137,7 @@ impl PixbufAnimation {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PixbufAnimation>> Sealed for T {}
-}
-
-pub trait PixbufAnimationExt: IsA<PixbufAnimation> + sealed::Sealed + 'static {
+pub trait PixbufAnimationExt: IsA<PixbufAnimation> + 'static {
     #[doc(alias = "gdk_pixbuf_animation_get_height")]
     #[doc(alias = "get_height")]
     fn height(&self) -> i32 {
diff --git a/gdk-pixbuf/src/auto/pixbuf_loader.rs b/gdk-pixbuf/src/auto/pixbuf_loader.rs
index 5dd296a92e21..6858726fac88 100644
--- a/gdk-pixbuf/src/auto/pixbuf_loader.rs
+++ b/gdk-pixbuf/src/auto/pixbuf_loader.rs
@@ -63,12 +63,7 @@ impl Default for PixbufLoader {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PixbufLoader>> Sealed for T {}
-}
-
-pub trait PixbufLoaderExt: IsA<PixbufLoader> + sealed::Sealed + 'static {
+pub trait PixbufLoaderExt: IsA<PixbufLoader> + 'static {
     #[doc(alias = "gdk_pixbuf_loader_close")]
     fn close(&self) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gdk-pixbuf/src/auto/versions.txt b/gdk-pixbuf/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/gdk-pixbuf/src/auto/versions.txt
+++ b/gdk-pixbuf/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/gdk-pixbuf/src/pixbuf_animation.rs b/gdk-pixbuf/src/pixbuf_animation.rs
index f41f42e9ca17..9ef9e2911261 100644
--- a/gdk-pixbuf/src/pixbuf_animation.rs
+++ b/gdk-pixbuf/src/pixbuf_animation.rs
@@ -6,12 +6,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{ffi, PixbufAnimation, PixbufAnimationIter};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PixbufAnimation>> Sealed for T {}
-}
-
-pub trait PixbufAnimationExtManual: sealed::Sealed + IsA<PixbufAnimation> + 'static {
+pub trait PixbufAnimationExtManual: IsA<PixbufAnimation> + 'static {
     #[doc(alias = "gdk_pixbuf_animation_get_iter")]
     #[doc(alias = "get_iter")]
     fn iter(&self, start_time: Option<SystemTime>) -> PixbufAnimationIter {
diff --git a/gdk-pixbuf/sys/versions.txt b/gdk-pixbuf/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/gdk-pixbuf/sys/versions.txt
+++ b/gdk-pixbuf/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/gio/src/action_map.rs b/gio/src/action_map.rs
index fc7ff45b6d75..d7099a8b7af5 100644
--- a/gio/src/action_map.rs
+++ b/gio/src/action_map.rs
@@ -3,13 +3,7 @@
 use glib::{clone, prelude::*};
 
 use crate::{prelude::*, ActionEntry, ActionMap, SimpleAction};
-
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ActionMap>> Sealed for T {}
-}
-
-pub trait ActionMapExtManual: sealed::Sealed + IsA<ActionMap> {
+pub trait ActionMapExtManual: IsA<ActionMap> {
     #[doc(alias = "g_action_map_add_action_entries")]
     fn add_action_entries(&self, entries: impl IntoIterator<Item = ActionEntry<Self>>) {
         for entry in entries.into_iter() {
diff --git a/gio/src/app_info.rs b/gio/src/app_info.rs
index 8e10e1eccc53..6a197e0f8508 100644
--- a/gio/src/app_info.rs
+++ b/gio/src/app_info.rs
@@ -9,12 +9,7 @@ use glib::translate::*;
 
 use crate::{ffi, AppInfo, AppLaunchContext, Cancellable};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::AppInfo>> Sealed for T {}
-}
-
-pub trait AppInfoExtManual: sealed::Sealed + IsA<AppInfo> + 'static {
+pub trait AppInfoExtManual: IsA<AppInfo> + 'static {
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_60")))]
     #[doc(alias = "g_app_info_launch_uris_async")]
     fn launch_uris_async<
diff --git a/gio/src/application.rs b/gio/src/application.rs
index c91a182120b9..264ebf590399 100644
--- a/gio/src/application.rs
+++ b/gio/src/application.rs
@@ -11,12 +11,7 @@ use glib::{
 
 use crate::{ffi, Application, File};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Application>> Sealed for T {}
-}
-
-pub trait ApplicationExtManual: sealed::Sealed + IsA<Application> {
+pub trait ApplicationExtManual: IsA<Application> {
     #[doc(alias = "g_application_run")]
     fn run(&self) -> ExitCode {
         self.run_with_args(&std::env::args().collect::<Vec<_>>())
diff --git a/gio/src/auto/action.rs b/gio/src/auto/action.rs
index 614bb3c9353f..fc7c7265e2a9 100644
--- a/gio/src/auto/action.rs
+++ b/gio/src/auto/action.rs
@@ -64,12 +64,7 @@ impl Action {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Action>> Sealed for T {}
-}
-
-pub trait ActionExt: IsA<Action> + sealed::Sealed + 'static {
+pub trait ActionExt: IsA<Action> + 'static {
     #[doc(alias = "g_action_activate")]
     fn activate(&self, parameter: Option<&glib::Variant>) {
         unsafe {
diff --git a/gio/src/auto/action_group.rs b/gio/src/auto/action_group.rs
index ea6302e8c6fc..de2602772c82 100644
--- a/gio/src/auto/action_group.rs
+++ b/gio/src/auto/action_group.rs
@@ -23,12 +23,7 @@ impl ActionGroup {
     pub const NONE: Option<&'static ActionGroup> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ActionGroup>> Sealed for T {}
-}
-
-pub trait ActionGroupExt: IsA<ActionGroup> + sealed::Sealed + 'static {
+pub trait ActionGroupExt: IsA<ActionGroup> + 'static {
     #[doc(alias = "g_action_group_action_added")]
     fn action_added(&self, action_name: &str) {
         unsafe {
diff --git a/gio/src/auto/action_map.rs b/gio/src/auto/action_map.rs
index da7a8519e257..1737450099bd 100644
--- a/gio/src/auto/action_map.rs
+++ b/gio/src/auto/action_map.rs
@@ -18,12 +18,7 @@ impl ActionMap {
     pub const NONE: Option<&'static ActionMap> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ActionMap>> Sealed for T {}
-}
-
-pub trait ActionMapExt: IsA<ActionMap> + sealed::Sealed + 'static {
+pub trait ActionMapExt: IsA<ActionMap> + 'static {
     #[doc(alias = "g_action_map_add_action")]
     fn add_action(&self, action: &impl IsA<Action>) {
         unsafe {
diff --git a/gio/src/auto/app_info.rs b/gio/src/auto/app_info.rs
index 899cfc307f44..e9253c9beb4d 100644
--- a/gio/src/auto/app_info.rs
+++ b/gio/src/auto/app_info.rs
@@ -339,12 +339,7 @@ impl AppInfo {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::AppInfo>> Sealed for T {}
-}
-
-pub trait AppInfoExt: IsA<AppInfo> + sealed::Sealed + 'static {
+pub trait AppInfoExt: IsA<AppInfo> + 'static {
     #[doc(alias = "g_app_info_add_supports_type")]
     fn add_supports_type(&self, content_type: &str) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gio/src/auto/app_launch_context.rs b/gio/src/auto/app_launch_context.rs
index 05541e154e08..9f27f554fa27 100644
--- a/gio/src/auto/app_launch_context.rs
+++ b/gio/src/auto/app_launch_context.rs
@@ -34,12 +34,7 @@ impl Default for AppLaunchContext {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::AppLaunchContext>> Sealed for T {}
-}
-
-pub trait AppLaunchContextExt: IsA<AppLaunchContext> + sealed::Sealed + 'static {
+pub trait AppLaunchContextExt: IsA<AppLaunchContext> + 'static {
     #[doc(alias = "g_app_launch_context_get_display")]
     #[doc(alias = "get_display")]
     fn display(&self, info: &impl IsA<AppInfo>, files: &[File]) -> Option<glib::GString> {
diff --git a/gio/src/auto/application.rs b/gio/src/auto/application.rs
index 5fd5a2906a04..1f0be0c90db3 100644
--- a/gio/src/auto/application.rs
+++ b/gio/src/auto/application.rs
@@ -128,12 +128,7 @@ impl ApplicationBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Application>> Sealed for T {}
-}
-
-pub trait ApplicationExt: IsA<Application> + sealed::Sealed + 'static {
+pub trait ApplicationExt: IsA<Application> + 'static {
     #[doc(alias = "g_application_activate")]
     fn activate(&self) {
         unsafe {
diff --git a/gio/src/auto/application_command_line.rs b/gio/src/auto/application_command_line.rs
index 29663d075f59..51ccbb676a9c 100644
--- a/gio/src/auto/application_command_line.rs
+++ b/gio/src/auto/application_command_line.rs
@@ -23,14 +23,7 @@ impl ApplicationCommandLine {
     pub const NONE: Option<&'static ApplicationCommandLine> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ApplicationCommandLine>> Sealed for T {}
-}
-
-pub trait ApplicationCommandLineExt:
-    IsA<ApplicationCommandLine> + sealed::Sealed + 'static
-{
+pub trait ApplicationCommandLineExt: IsA<ApplicationCommandLine> + 'static {
     #[doc(alias = "g_application_command_line_create_file_for_arg")]
     fn create_file_for_arg(&self, arg: impl AsRef<std::ffi::OsStr>) -> File {
         unsafe {
diff --git a/gio/src/auto/async_initable.rs b/gio/src/auto/async_initable.rs
index 378f0973848e..1bca5e03cd1f 100644
--- a/gio/src/auto/async_initable.rs
+++ b/gio/src/auto/async_initable.rs
@@ -19,12 +19,7 @@ impl AsyncInitable {
     pub const NONE: Option<&'static AsyncInitable> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::AsyncInitable>> Sealed for T {}
-}
-
-pub trait AsyncInitableExt: IsA<AsyncInitable> + sealed::Sealed + 'static {
+pub trait AsyncInitableExt: IsA<AsyncInitable> + 'static {
     #[doc(alias = "g_async_initable_init_async")]
     unsafe fn init_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
         &self,
diff --git a/gio/src/auto/async_result.rs b/gio/src/auto/async_result.rs
index f9c7e751eb58..76e82c254f64 100644
--- a/gio/src/auto/async_result.rs
+++ b/gio/src/auto/async_result.rs
@@ -18,12 +18,7 @@ impl AsyncResult {
     pub const NONE: Option<&'static AsyncResult> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::AsyncResult>> Sealed for T {}
-}
-
-pub trait AsyncResultExt: IsA<AsyncResult> + sealed::Sealed + 'static {
+pub trait AsyncResultExt: IsA<AsyncResult> + 'static {
     #[doc(alias = "g_async_result_get_source_object")]
     #[doc(alias = "get_source_object")]
     fn source_object(&self) -> Option<glib::Object> {
diff --git a/gio/src/auto/buffered_input_stream.rs b/gio/src/auto/buffered_input_stream.rs
index b592c9e3e9ca..9d67441ffb31 100644
--- a/gio/src/auto/buffered_input_stream.rs
+++ b/gio/src/auto/buffered_input_stream.rs
@@ -104,12 +104,7 @@ impl BufferedInputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::BufferedInputStream>> Sealed for T {}
-}
-
-pub trait BufferedInputStreamExt: IsA<BufferedInputStream> + sealed::Sealed + 'static {
+pub trait BufferedInputStreamExt: IsA<BufferedInputStream> + 'static {
     #[doc(alias = "g_buffered_input_stream_fill")]
     fn fill(
         &self,
diff --git a/gio/src/auto/buffered_output_stream.rs b/gio/src/auto/buffered_output_stream.rs
index 8a0d59f9b105..cbd42e5d6d81 100644
--- a/gio/src/auto/buffered_output_stream.rs
+++ b/gio/src/auto/buffered_output_stream.rs
@@ -110,12 +110,7 @@ impl BufferedOutputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::BufferedOutputStream>> Sealed for T {}
-}
-
-pub trait BufferedOutputStreamExt: IsA<BufferedOutputStream> + sealed::Sealed + 'static {
+pub trait BufferedOutputStreamExt: IsA<BufferedOutputStream> + 'static {
     #[doc(alias = "g_buffered_output_stream_get_auto_grow")]
     #[doc(alias = "get_auto_grow")]
     #[doc(alias = "auto-grow")]
diff --git a/gio/src/auto/cancellable.rs b/gio/src/auto/cancellable.rs
index 24042f9798bb..cb831eb61480 100644
--- a/gio/src/auto/cancellable.rs
+++ b/gio/src/auto/cancellable.rs
@@ -38,12 +38,7 @@ impl Default for Cancellable {
 unsafe impl Send for Cancellable {}
 unsafe impl Sync for Cancellable {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Cancellable>> Sealed for T {}
-}
-
-pub trait CancellableExt: IsA<Cancellable> + sealed::Sealed + 'static {
+pub trait CancellableExt: IsA<Cancellable> + 'static {
     #[doc(alias = "g_cancellable_cancel")]
     fn cancel(&self) {
         unsafe {
diff --git a/gio/src/auto/converter.rs b/gio/src/auto/converter.rs
index c7e86376ad37..a815dc437c81 100644
--- a/gio/src/auto/converter.rs
+++ b/gio/src/auto/converter.rs
@@ -18,12 +18,7 @@ impl Converter {
     pub const NONE: Option<&'static Converter> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Converter>> Sealed for T {}
-}
-
-pub trait ConverterExt: IsA<Converter> + sealed::Sealed + 'static {
+pub trait ConverterExt: IsA<Converter> + 'static {
     #[cfg(feature = "v2_82")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_82")))]
     #[doc(alias = "g_converter_convert_bytes")]
diff --git a/gio/src/auto/converter_input_stream.rs b/gio/src/auto/converter_input_stream.rs
index daf2b6e392a5..2226da532eb1 100644
--- a/gio/src/auto/converter_input_stream.rs
+++ b/gio/src/auto/converter_input_stream.rs
@@ -94,12 +94,7 @@ impl ConverterInputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ConverterInputStream>> Sealed for T {}
-}
-
-pub trait ConverterInputStreamExt: IsA<ConverterInputStream> + sealed::Sealed + 'static {
+pub trait ConverterInputStreamExt: IsA<ConverterInputStream> + 'static {
     #[doc(alias = "g_converter_input_stream_get_converter")]
     #[doc(alias = "get_converter")]
     fn converter(&self) -> Converter {
diff --git a/gio/src/auto/converter_output_stream.rs b/gio/src/auto/converter_output_stream.rs
index 103f44b2b27f..c4d4c4482eb9 100644
--- a/gio/src/auto/converter_output_stream.rs
+++ b/gio/src/auto/converter_output_stream.rs
@@ -94,12 +94,7 @@ impl ConverterOutputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ConverterOutputStream>> Sealed for T {}
-}
-
-pub trait ConverterOutputStreamExt: IsA<ConverterOutputStream> + sealed::Sealed + 'static {
+pub trait ConverterOutputStreamExt: IsA<ConverterOutputStream> + 'static {
     #[doc(alias = "g_converter_output_stream_get_converter")]
     #[doc(alias = "get_converter")]
     fn converter(&self) -> Converter {
diff --git a/gio/src/auto/data_input_stream.rs b/gio/src/auto/data_input_stream.rs
index 591288aae534..301f8903d8ef 100644
--- a/gio/src/auto/data_input_stream.rs
+++ b/gio/src/auto/data_input_stream.rs
@@ -107,12 +107,7 @@ impl DataInputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DataInputStream>> Sealed for T {}
-}
-
-pub trait DataInputStreamExt: IsA<DataInputStream> + sealed::Sealed + 'static {
+pub trait DataInputStreamExt: IsA<DataInputStream> + 'static {
     #[doc(alias = "g_data_input_stream_get_byte_order")]
     #[doc(alias = "get_byte_order")]
     #[doc(alias = "byte-order")]
diff --git a/gio/src/auto/data_output_stream.rs b/gio/src/auto/data_output_stream.rs
index 42de12f35868..392beaf34f8f 100644
--- a/gio/src/auto/data_output_stream.rs
+++ b/gio/src/auto/data_output_stream.rs
@@ -92,12 +92,7 @@ impl DataOutputStreamBuilder {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DataOutputStream>> Sealed for T {}
-}
-
-pub trait DataOutputStreamExt: IsA<DataOutputStream> + sealed::Sealed + 'static {
+pub trait DataOutputStreamExt: IsA<DataOutputStream> + 'static {
     #[doc(alias = "g_data_output_stream_get_byte_order")]
     #[doc(alias = "get_byte_order")]
     #[doc(alias = "byte-order")]
diff --git a/gio/src/auto/datagram_based.rs b/gio/src/auto/datagram_based.rs
index cc2b9c60c88b..8c20a6da9756 100644
--- a/gio/src/auto/datagram_based.rs
+++ b/gio/src/auto/datagram_based.rs
@@ -18,12 +18,7 @@ impl DatagramBased {
     pub const NONE: Option<&'static DatagramBased> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DatagramBased>> Sealed for T {}
-}
-
-pub trait DatagramBasedExt: IsA<DatagramBased> + sealed::Sealed + 'static {
+pub trait DatagramBasedExt: IsA<DatagramBased> + 'static {
     #[doc(alias = "g_datagram_based_condition_check")]
     fn condition_check(&self, condition: glib::IOCondition) -> glib::IOCondition {
         unsafe {
diff --git a/gio/src/auto/dbus_interface.rs b/gio/src/auto/dbus_interface.rs
index 1589bfbeb853..ff8d44c5eb0d 100644
--- a/gio/src/auto/dbus_interface.rs
+++ b/gio/src/auto/dbus_interface.rs
@@ -18,12 +18,7 @@ impl DBusInterface {
     pub const NONE: Option<&'static DBusInterface> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusInterface>> Sealed for T {}
-}
-
-pub trait DBusInterfaceExt: IsA<DBusInterface> + sealed::Sealed + 'static {
+pub trait DBusInterfaceExt: IsA<DBusInterface> + 'static {
     #[doc(alias = "g_dbus_interface_dup_object")]
     #[doc(alias = "dup_object")]
     fn get(&self) -> Option<DBusObject> {
diff --git a/gio/src/auto/dbus_interface_skeleton.rs b/gio/src/auto/dbus_interface_skeleton.rs
index c5116b20268a..1acd9f8f522b 100644
--- a/gio/src/auto/dbus_interface_skeleton.rs
+++ b/gio/src/auto/dbus_interface_skeleton.rs
@@ -26,12 +26,7 @@ impl DBusInterfaceSkeleton {
     pub const NONE: Option<&'static DBusInterfaceSkeleton> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusInterfaceSkeleton>> Sealed for T {}
-}
-
-pub trait DBusInterfaceSkeletonExt: IsA<DBusInterfaceSkeleton> + sealed::Sealed + 'static {
+pub trait DBusInterfaceSkeletonExt: IsA<DBusInterfaceSkeleton> + 'static {
     #[doc(alias = "g_dbus_interface_skeleton_export")]
     fn export(&self, connection: &DBusConnection, object_path: &str) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gio/src/auto/dbus_object.rs b/gio/src/auto/dbus_object.rs
index 8f1ef1bb1461..d45c17d2f7e6 100644
--- a/gio/src/auto/dbus_object.rs
+++ b/gio/src/auto/dbus_object.rs
@@ -23,12 +23,7 @@ impl DBusObject {
     pub const NONE: Option<&'static DBusObject> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusObject>> Sealed for T {}
-}
-
-pub trait DBusObjectExt: IsA<DBusObject> + sealed::Sealed + 'static {
+pub trait DBusObjectExt: IsA<DBusObject> + 'static {
     #[doc(alias = "g_dbus_object_get_interface")]
     #[doc(alias = "get_interface")]
     fn interface(&self, interface_name: &str) -> Option<DBusInterface> {
diff --git a/gio/src/auto/dbus_object_manager.rs b/gio/src/auto/dbus_object_manager.rs
index fc9e1dd2c84c..15395303ed73 100644
--- a/gio/src/auto/dbus_object_manager.rs
+++ b/gio/src/auto/dbus_object_manager.rs
@@ -23,12 +23,7 @@ impl DBusObjectManager {
     pub const NONE: Option<&'static DBusObjectManager> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusObjectManager>> Sealed for T {}
-}
-
-pub trait DBusObjectManagerExt: IsA<DBusObjectManager> + sealed::Sealed + 'static {
+pub trait DBusObjectManagerExt: IsA<DBusObjectManager> + 'static {
     #[doc(alias = "g_dbus_object_manager_get_interface")]
     #[doc(alias = "get_interface")]
     fn interface(&self, object_path: &str, interface_name: &str) -> Option<DBusInterface> {
diff --git a/gio/src/auto/dbus_proxy.rs b/gio/src/auto/dbus_proxy.rs
index cc626000acd6..e5d0d38711a9 100644
--- a/gio/src/auto/dbus_proxy.rs
+++ b/gio/src/auto/dbus_proxy.rs
@@ -271,12 +271,7 @@ impl DBusProxy {
 unsafe impl Send for DBusProxy {}
 unsafe impl Sync for DBusProxy {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusProxy>> Sealed for T {}
-}
-
-pub trait DBusProxyExt: IsA<DBusProxy> + sealed::Sealed + 'static {
+pub trait DBusProxyExt: IsA<DBusProxy> + 'static {
     #[doc(alias = "g_dbus_proxy_call")]
     fn call<P: FnOnce(Result<glib::Variant, glib::Error>) + 'static>(
         &self,
diff --git a/gio/src/auto/debug_controller.rs b/gio/src/auto/debug_controller.rs
index 3e55daba7d61..3cc22b5d0488 100644
--- a/gio/src/auto/debug_controller.rs
+++ b/gio/src/auto/debug_controller.rs
@@ -23,12 +23,7 @@ impl DebugController {
     pub const NONE: Option<&'static DebugController> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DebugController>> Sealed for T {}
-}
-
-pub trait DebugControllerExt: IsA<DebugController> + sealed::Sealed + 'static {
+pub trait DebugControllerExt: IsA<DebugController> + 'static {
     #[doc(alias = "g_debug_controller_get_debug_enabled")]
     #[doc(alias = "get_debug_enabled")]
     #[doc(alias = "debug-enabled")]
diff --git a/gio/src/auto/debug_controller_dbus.rs b/gio/src/auto/debug_controller_dbus.rs
index 467ffd4ab58d..cc6be5da96b0 100644
--- a/gio/src/auto/debug_controller_dbus.rs
+++ b/gio/src/auto/debug_controller_dbus.rs
@@ -43,12 +43,7 @@ impl DebugControllerDBus {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DebugControllerDBus>> Sealed for T {}
-}
-
-pub trait DebugControllerDBusExt: IsA<DebugControllerDBus> + sealed::Sealed + 'static {
+pub trait DebugControllerDBusExt: IsA<DebugControllerDBus> + 'static {
     #[doc(alias = "g_debug_controller_dbus_stop")]
     fn stop(&self) {
         unsafe {
diff --git a/gio/src/auto/drive.rs b/gio/src/auto/drive.rs
index 3a497b68c375..2ca861f67e02 100644
--- a/gio/src/auto/drive.rs
+++ b/gio/src/auto/drive.rs
@@ -26,12 +26,7 @@ impl Drive {
     pub const NONE: Option<&'static Drive> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Drive>> Sealed for T {}
-}
-
-pub trait DriveExt: IsA<Drive> + sealed::Sealed + 'static {
+pub trait DriveExt: IsA<Drive> + 'static {
     #[doc(alias = "g_drive_can_eject")]
     fn can_eject(&self) -> bool {
         unsafe { from_glib(ffi::g_drive_can_eject(self.as_ref().to_glib_none().0)) }
diff --git a/gio/src/auto/emblemed_icon.rs b/gio/src/auto/emblemed_icon.rs
index 76b7d2448fdf..1f529e23bc0c 100644
--- a/gio/src/auto/emblemed_icon.rs
+++ b/gio/src/auto/emblemed_icon.rs
@@ -28,12 +28,7 @@ impl EmblemedIcon {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::EmblemedIcon>> Sealed for T {}
-}
-
-pub trait EmblemedIconExt: IsA<EmblemedIcon> + sealed::Sealed + 'static {
+pub trait EmblemedIconExt: IsA<EmblemedIcon> + 'static {
     #[doc(alias = "g_emblemed_icon_add_emblem")]
     fn add_emblem(&self, emblem: &Emblem) {
         unsafe {
diff --git a/gio/src/auto/file.rs b/gio/src/auto/file.rs
index d71a5c31b11c..25d396eae118 100644
--- a/gio/src/auto/file.rs
+++ b/gio/src/auto/file.rs
@@ -101,12 +101,7 @@ impl File {
 unsafe impl Send for File {}
 unsafe impl Sync for File {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::File>> Sealed for T {}
-}
-
-pub trait FileExt: IsA<File> + sealed::Sealed + 'static {
+pub trait FileExt: IsA<File> + 'static {
     #[doc(alias = "g_file_append_to")]
     fn append_to(
         &self,
diff --git a/gio/src/auto/file_enumerator.rs b/gio/src/auto/file_enumerator.rs
index f24174051e7c..0ed8df045dcd 100644
--- a/gio/src/auto/file_enumerator.rs
+++ b/gio/src/auto/file_enumerator.rs
@@ -19,12 +19,7 @@ impl FileEnumerator {
     pub const NONE: Option<&'static FileEnumerator> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileEnumerator>> Sealed for T {}
-}
-
-pub trait FileEnumeratorExt: IsA<FileEnumerator> + sealed::Sealed + 'static {
+pub trait FileEnumeratorExt: IsA<FileEnumerator> + 'static {
     #[doc(alias = "g_file_enumerator_close")]
     fn close(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gio/src/auto/file_input_stream.rs b/gio/src/auto/file_input_stream.rs
index 7d741a2b4a8e..606fd3128629 100644
--- a/gio/src/auto/file_input_stream.rs
+++ b/gio/src/auto/file_input_stream.rs
@@ -19,12 +19,7 @@ impl FileInputStream {
     pub const NONE: Option<&'static FileInputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileInputStream>> Sealed for T {}
-}
-
-pub trait FileInputStreamExt: IsA<FileInputStream> + sealed::Sealed + 'static {
+pub trait FileInputStreamExt: IsA<FileInputStream> + 'static {
     #[doc(alias = "g_file_input_stream_query_info")]
     fn query_info(
         &self,
diff --git a/gio/src/auto/file_io_stream.rs b/gio/src/auto/file_io_stream.rs
index f0907bdac203..083eb18fbc14 100644
--- a/gio/src/auto/file_io_stream.rs
+++ b/gio/src/auto/file_io_stream.rs
@@ -19,12 +19,7 @@ impl FileIOStream {
     pub const NONE: Option<&'static FileIOStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileIOStream>> Sealed for T {}
-}
-
-pub trait FileIOStreamExt: IsA<FileIOStream> + sealed::Sealed + 'static {
+pub trait FileIOStreamExt: IsA<FileIOStream> + 'static {
     #[doc(alias = "g_file_io_stream_get_etag")]
     #[doc(alias = "get_etag")]
     fn etag(&self) -> Option<glib::GString> {
diff --git a/gio/src/auto/file_monitor.rs b/gio/src/auto/file_monitor.rs
index 81e8b2f1a957..4b90414ec5c8 100644
--- a/gio/src/auto/file_monitor.rs
+++ b/gio/src/auto/file_monitor.rs
@@ -23,12 +23,7 @@ impl FileMonitor {
     pub const NONE: Option<&'static FileMonitor> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileMonitor>> Sealed for T {}
-}
-
-pub trait FileMonitorExt: IsA<FileMonitor> + sealed::Sealed + 'static {
+pub trait FileMonitorExt: IsA<FileMonitor> + 'static {
     #[doc(alias = "g_file_monitor_cancel")]
     fn cancel(&self) -> bool {
         unsafe { from_glib(ffi::g_file_monitor_cancel(self.as_ref().to_glib_none().0)) }
diff --git a/gio/src/auto/file_output_stream.rs b/gio/src/auto/file_output_stream.rs
index 86fa7c151dc6..0be40ad6fe14 100644
--- a/gio/src/auto/file_output_stream.rs
+++ b/gio/src/auto/file_output_stream.rs
@@ -19,12 +19,7 @@ impl FileOutputStream {
     pub const NONE: Option<&'static FileOutputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileOutputStream>> Sealed for T {}
-}
-
-pub trait FileOutputStreamExt: IsA<FileOutputStream> + sealed::Sealed + 'static {
+pub trait FileOutputStreamExt: IsA<FileOutputStream> + 'static {
     #[doc(alias = "g_file_output_stream_get_etag")]
     #[doc(alias = "get_etag")]
     fn etag(&self) -> Option<glib::GString> {
diff --git a/gio/src/auto/filter_input_stream.rs b/gio/src/auto/filter_input_stream.rs
index cc996f1e2072..34a4760c8216 100644
--- a/gio/src/auto/filter_input_stream.rs
+++ b/gio/src/auto/filter_input_stream.rs
@@ -23,12 +23,7 @@ impl FilterInputStream {
     pub const NONE: Option<&'static FilterInputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FilterInputStream>> Sealed for T {}
-}
-
-pub trait FilterInputStreamExt: IsA<FilterInputStream> + sealed::Sealed + 'static {
+pub trait FilterInputStreamExt: IsA<FilterInputStream> + 'static {
     #[doc(alias = "g_filter_input_stream_get_base_stream")]
     #[doc(alias = "get_base_stream")]
     #[doc(alias = "base-stream")]
diff --git a/gio/src/auto/filter_output_stream.rs b/gio/src/auto/filter_output_stream.rs
index 41c2eb3cf113..7efac56c0e66 100644
--- a/gio/src/auto/filter_output_stream.rs
+++ b/gio/src/auto/filter_output_stream.rs
@@ -23,12 +23,7 @@ impl FilterOutputStream {
     pub const NONE: Option<&'static FilterOutputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FilterOutputStream>> Sealed for T {}
-}
-
-pub trait FilterOutputStreamExt: IsA<FilterOutputStream> + sealed::Sealed + 'static {
+pub trait FilterOutputStreamExt: IsA<FilterOutputStream> + 'static {
     #[doc(alias = "g_filter_output_stream_get_base_stream")]
     #[doc(alias = "get_base_stream")]
     #[doc(alias = "base-stream")]
diff --git a/gio/src/auto/icon.rs b/gio/src/auto/icon.rs
index 34b6228642ae..596b692364ec 100644
--- a/gio/src/auto/icon.rs
+++ b/gio/src/auto/icon.rs
@@ -37,12 +37,7 @@ impl Icon {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Icon>> Sealed for T {}
-}
-
-pub trait IconExt: IsA<Icon> + sealed::Sealed + 'static {
+pub trait IconExt: IsA<Icon> + 'static {
     #[doc(alias = "g_icon_equal")]
     fn equal(&self, icon2: Option<&impl IsA<Icon>>) -> bool {
         unsafe {
diff --git a/gio/src/auto/inet_address.rs b/gio/src/auto/inet_address.rs
index 817c3df43751..c41d8978105a 100644
--- a/gio/src/auto/inet_address.rs
+++ b/gio/src/auto/inet_address.rs
@@ -49,12 +49,7 @@ impl std::fmt::Display for InetAddress {
 unsafe impl Send for InetAddress {}
 unsafe impl Sync for InetAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InetAddress>> Sealed for T {}
-}
-
-pub trait InetAddressExt: IsA<InetAddress> + sealed::Sealed + 'static {
+pub trait InetAddressExt: IsA<InetAddress> + 'static {
     #[doc(alias = "g_inet_address_equal")]
     fn equal(&self, other_address: &impl IsA<InetAddress>) -> bool {
         unsafe {
diff --git a/gio/src/auto/inet_address_mask.rs b/gio/src/auto/inet_address_mask.rs
index ebf9692c3fcd..cdc41af6f440 100644
--- a/gio/src/auto/inet_address_mask.rs
+++ b/gio/src/auto/inet_address_mask.rs
@@ -62,12 +62,7 @@ impl std::fmt::Display for InetAddressMask {
 unsafe impl Send for InetAddressMask {}
 unsafe impl Sync for InetAddressMask {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InetAddressMask>> Sealed for T {}
-}
-
-pub trait InetAddressMaskExt: IsA<InetAddressMask> + sealed::Sealed + 'static {
+pub trait InetAddressMaskExt: IsA<InetAddressMask> + 'static {
     #[doc(alias = "g_inet_address_mask_equal")]
     fn equal(&self, mask2: &impl IsA<InetAddressMask>) -> bool {
         unsafe {
diff --git a/gio/src/auto/inet_socket_address.rs b/gio/src/auto/inet_socket_address.rs
index 963582719471..a474c26a05b6 100644
--- a/gio/src/auto/inet_socket_address.rs
+++ b/gio/src/auto/inet_socket_address.rs
@@ -44,12 +44,7 @@ impl InetSocketAddress {
 unsafe impl Send for InetSocketAddress {}
 unsafe impl Sync for InetSocketAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InetSocketAddress>> Sealed for T {}
-}
-
-pub trait InetSocketAddressExt: IsA<InetSocketAddress> + sealed::Sealed + 'static {
+pub trait InetSocketAddressExt: IsA<InetSocketAddress> + 'static {
     #[doc(alias = "g_inet_socket_address_get_address")]
     #[doc(alias = "get_address")]
     fn address(&self) -> InetAddress {
diff --git a/gio/src/auto/initable.rs b/gio/src/auto/initable.rs
index 1434b7597c17..e8524cfb1185 100644
--- a/gio/src/auto/initable.rs
+++ b/gio/src/auto/initable.rs
@@ -18,12 +18,7 @@ impl Initable {
     pub const NONE: Option<&'static Initable> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Initable>> Sealed for T {}
-}
-
-pub trait InitableExt: IsA<Initable> + sealed::Sealed + 'static {
+pub trait InitableExt: IsA<Initable> + 'static {
     #[doc(alias = "g_initable_init")]
     unsafe fn init(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
         let mut error = std::ptr::null_mut();
diff --git a/gio/src/auto/input_stream.rs b/gio/src/auto/input_stream.rs
index 13291bc4c41e..bac40542b5ad 100644
--- a/gio/src/auto/input_stream.rs
+++ b/gio/src/auto/input_stream.rs
@@ -19,12 +19,7 @@ impl InputStream {
     pub const NONE: Option<&'static InputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InputStream>> Sealed for T {}
-}
-
-pub trait InputStreamExt: IsA<InputStream> + sealed::Sealed + 'static {
+pub trait InputStreamExt: IsA<InputStream> + 'static {
     #[doc(alias = "g_input_stream_clear_pending")]
     fn clear_pending(&self) {
         unsafe {
diff --git a/gio/src/auto/io_stream.rs b/gio/src/auto/io_stream.rs
index 341b32e7be91..7cdc957bf934 100644
--- a/gio/src/auto/io_stream.rs
+++ b/gio/src/auto/io_stream.rs
@@ -23,12 +23,7 @@ impl IOStream {
     pub const NONE: Option<&'static IOStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::IOStream>> Sealed for T {}
-}
-
-pub trait IOStreamExt: IsA<IOStream> + sealed::Sealed + 'static {
+pub trait IOStreamExt: IsA<IOStream> + 'static {
     #[doc(alias = "g_io_stream_clear_pending")]
     fn clear_pending(&self) {
         unsafe {
diff --git a/gio/src/auto/list_model.rs b/gio/src/auto/list_model.rs
index 3b69585c56f4..4e2768aa67b2 100644
--- a/gio/src/auto/list_model.rs
+++ b/gio/src/auto/list_model.rs
@@ -23,12 +23,7 @@ impl ListModel {
     pub const NONE: Option<&'static ListModel> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ListModel>> Sealed for T {}
-}
-
-pub trait ListModelExt: IsA<ListModel> + sealed::Sealed + 'static {
+pub trait ListModelExt: IsA<ListModel> + 'static {
     #[doc(alias = "g_list_model_get_item_type")]
     #[doc(alias = "get_item_type")]
     fn item_type(&self) -> glib::types::Type {
diff --git a/gio/src/auto/loadable_icon.rs b/gio/src/auto/loadable_icon.rs
index 3530b52e6413..c21e1c18ddf6 100644
--- a/gio/src/auto/loadable_icon.rs
+++ b/gio/src/auto/loadable_icon.rs
@@ -19,12 +19,7 @@ impl LoadableIcon {
     pub const NONE: Option<&'static LoadableIcon> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::LoadableIcon>> Sealed for T {}
-}
-
-pub trait LoadableIconExt: IsA<LoadableIcon> + sealed::Sealed + 'static {
+pub trait LoadableIconExt: IsA<LoadableIcon> + 'static {
     #[doc(alias = "g_loadable_icon_load")]
     fn load(
         &self,
diff --git a/gio/src/auto/memory_input_stream.rs b/gio/src/auto/memory_input_stream.rs
index dff9f88ae248..f9002476ad3c 100644
--- a/gio/src/auto/memory_input_stream.rs
+++ b/gio/src/auto/memory_input_stream.rs
@@ -40,12 +40,7 @@ impl Default for MemoryInputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MemoryInputStream>> Sealed for T {}
-}
-
-pub trait MemoryInputStreamExt: IsA<MemoryInputStream> + sealed::Sealed + 'static {
+pub trait MemoryInputStreamExt: IsA<MemoryInputStream> + 'static {
     #[doc(alias = "g_memory_input_stream_add_bytes")]
     fn add_bytes(&self, bytes: &glib::Bytes) {
         unsafe {
diff --git a/gio/src/auto/memory_monitor.rs b/gio/src/auto/memory_monitor.rs
index 712a4594c237..6c2bf02e0266 100644
--- a/gio/src/auto/memory_monitor.rs
+++ b/gio/src/auto/memory_monitor.rs
@@ -28,12 +28,7 @@ impl MemoryMonitor {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MemoryMonitor>> Sealed for T {}
-}
-
-pub trait MemoryMonitorExt: IsA<MemoryMonitor> + sealed::Sealed + 'static {
+pub trait MemoryMonitorExt: IsA<MemoryMonitor> + 'static {
     #[cfg(feature = "v2_64")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_64")))]
     #[doc(alias = "low-memory-warning")]
diff --git a/gio/src/auto/memory_output_stream.rs b/gio/src/auto/memory_output_stream.rs
index b36dc3700a7e..0672ff4aaaf0 100644
--- a/gio/src/auto/memory_output_stream.rs
+++ b/gio/src/auto/memory_output_stream.rs
@@ -30,12 +30,7 @@ impl MemoryOutputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MemoryOutputStream>> Sealed for T {}
-}
-
-pub trait MemoryOutputStreamExt: IsA<MemoryOutputStream> + sealed::Sealed + 'static {
+pub trait MemoryOutputStreamExt: IsA<MemoryOutputStream> + 'static {
     #[doc(alias = "g_memory_output_stream_get_data_size")]
     #[doc(alias = "get_data_size")]
     #[doc(alias = "data-size")]
diff --git a/gio/src/auto/menu_attribute_iter.rs b/gio/src/auto/menu_attribute_iter.rs
index 2d1c90726cf9..872e422253d3 100644
--- a/gio/src/auto/menu_attribute_iter.rs
+++ b/gio/src/auto/menu_attribute_iter.rs
@@ -18,12 +18,7 @@ impl MenuAttributeIter {
     pub const NONE: Option<&'static MenuAttributeIter> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MenuAttributeIter>> Sealed for T {}
-}
-
-pub trait MenuAttributeIterExt: IsA<MenuAttributeIter> + sealed::Sealed + 'static {
+pub trait MenuAttributeIterExt: IsA<MenuAttributeIter> + 'static {
     #[doc(alias = "g_menu_attribute_iter_get_next")]
     #[doc(alias = "get_next")]
     fn next(&self) -> Option<(glib::GString, glib::Variant)> {
diff --git a/gio/src/auto/menu_link_iter.rs b/gio/src/auto/menu_link_iter.rs
index 8e9fabd630ab..e02c058c8d34 100644
--- a/gio/src/auto/menu_link_iter.rs
+++ b/gio/src/auto/menu_link_iter.rs
@@ -18,12 +18,7 @@ impl MenuLinkIter {
     pub const NONE: Option<&'static MenuLinkIter> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MenuLinkIter>> Sealed for T {}
-}
-
-pub trait MenuLinkIterExt: IsA<MenuLinkIter> + sealed::Sealed + 'static {
+pub trait MenuLinkIterExt: IsA<MenuLinkIter> + 'static {
     #[doc(alias = "g_menu_link_iter_get_next")]
     #[doc(alias = "get_next")]
     fn next(&self) -> Option<(glib::GString, MenuModel)> {
diff --git a/gio/src/auto/menu_model.rs b/gio/src/auto/menu_model.rs
index 438dba2193be..7a2b2f0742f6 100644
--- a/gio/src/auto/menu_model.rs
+++ b/gio/src/auto/menu_model.rs
@@ -23,12 +23,7 @@ impl MenuModel {
     pub const NONE: Option<&'static MenuModel> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MenuModel>> Sealed for T {}
-}
-
-pub trait MenuModelExt: IsA<MenuModel> + sealed::Sealed + 'static {
+pub trait MenuModelExt: IsA<MenuModel> + 'static {
     //#[doc(alias = "g_menu_model_get_item_attribute")]
     //#[doc(alias = "get_item_attribute")]
     //fn is_item_attribute(&self, item_index: i32, attribute: &str, format_string: &str, : /*Unknown conversion*//*Unimplemented*/Basic: VarArgs) -> bool {
diff --git a/gio/src/auto/mount.rs b/gio/src/auto/mount.rs
index 91d1b7cc7877..4e102fa9661c 100644
--- a/gio/src/auto/mount.rs
+++ b/gio/src/auto/mount.rs
@@ -26,12 +26,7 @@ impl Mount {
     pub const NONE: Option<&'static Mount> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Mount>> Sealed for T {}
-}
-
-pub trait MountExt: IsA<Mount> + sealed::Sealed + 'static {
+pub trait MountExt: IsA<Mount> + 'static {
     #[doc(alias = "g_mount_can_eject")]
     fn can_eject(&self) -> bool {
         unsafe { from_glib(ffi::g_mount_can_eject(self.as_ref().to_glib_none().0)) }
diff --git a/gio/src/auto/mount_operation.rs b/gio/src/auto/mount_operation.rs
index 399c08ea5bb4..8799d7de4f1a 100644
--- a/gio/src/auto/mount_operation.rs
+++ b/gio/src/auto/mount_operation.rs
@@ -34,12 +34,7 @@ impl Default for MountOperation {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::MountOperation>> Sealed for T {}
-}
-
-pub trait MountOperationExt: IsA<MountOperation> + sealed::Sealed + 'static {
+pub trait MountOperationExt: IsA<MountOperation> + 'static {
     #[doc(alias = "g_mount_operation_get_anonymous")]
     #[doc(alias = "get_anonymous")]
     #[doc(alias = "anonymous")]
diff --git a/gio/src/auto/network_address.rs b/gio/src/auto/network_address.rs
index ac24907a47b5..40602965fd4d 100644
--- a/gio/src/auto/network_address.rs
+++ b/gio/src/auto/network_address.rs
@@ -62,12 +62,7 @@ impl NetworkAddress {
 unsafe impl Send for NetworkAddress {}
 unsafe impl Sync for NetworkAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::NetworkAddress>> Sealed for T {}
-}
-
-pub trait NetworkAddressExt: IsA<NetworkAddress> + sealed::Sealed + 'static {
+pub trait NetworkAddressExt: IsA<NetworkAddress> + 'static {
     #[doc(alias = "g_network_address_get_hostname")]
     #[doc(alias = "get_hostname")]
     fn hostname(&self) -> glib::GString {
diff --git a/gio/src/auto/network_monitor.rs b/gio/src/auto/network_monitor.rs
index 5abff66f044d..abad9d7e39af 100644
--- a/gio/src/auto/network_monitor.rs
+++ b/gio/src/auto/network_monitor.rs
@@ -30,12 +30,7 @@ impl NetworkMonitor {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::NetworkMonitor>> Sealed for T {}
-}
-
-pub trait NetworkMonitorExt: IsA<NetworkMonitor> + sealed::Sealed + 'static {
+pub trait NetworkMonitorExt: IsA<NetworkMonitor> + 'static {
     #[doc(alias = "g_network_monitor_can_reach")]
     fn can_reach(
         &self,
diff --git a/gio/src/auto/network_service.rs b/gio/src/auto/network_service.rs
index d6de66b393b1..1e009f68006d 100644
--- a/gio/src/auto/network_service.rs
+++ b/gio/src/auto/network_service.rs
@@ -34,12 +34,7 @@ impl NetworkService {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::NetworkService>> Sealed for T {}
-}
-
-pub trait NetworkServiceExt: IsA<NetworkService> + sealed::Sealed + 'static {
+pub trait NetworkServiceExt: IsA<NetworkService> + 'static {
     #[doc(alias = "g_network_service_get_domain")]
     #[doc(alias = "get_domain")]
     fn domain(&self) -> glib::GString {
diff --git a/gio/src/auto/output_stream.rs b/gio/src/auto/output_stream.rs
index 720fd6f75a84..7f8edecba198 100644
--- a/gio/src/auto/output_stream.rs
+++ b/gio/src/auto/output_stream.rs
@@ -19,12 +19,7 @@ impl OutputStream {
     pub const NONE: Option<&'static OutputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::OutputStream>> Sealed for T {}
-}
-
-pub trait OutputStreamExt: IsA<OutputStream> + sealed::Sealed + 'static {
+pub trait OutputStreamExt: IsA<OutputStream> + 'static {
     #[doc(alias = "g_output_stream_clear_pending")]
     fn clear_pending(&self) {
         unsafe {
diff --git a/gio/src/auto/permission.rs b/gio/src/auto/permission.rs
index cc992f05e1cb..115150ce9961 100644
--- a/gio/src/auto/permission.rs
+++ b/gio/src/auto/permission.rs
@@ -23,12 +23,7 @@ impl Permission {
     pub const NONE: Option<&'static Permission> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Permission>> Sealed for T {}
-}
-
-pub trait PermissionExt: IsA<Permission> + sealed::Sealed + 'static {
+pub trait PermissionExt: IsA<Permission> + 'static {
     #[doc(alias = "g_permission_acquire")]
     fn acquire(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gio/src/auto/pollable_input_stream.rs b/gio/src/auto/pollable_input_stream.rs
index a2d59a074d78..ba198dbf6d0e 100644
--- a/gio/src/auto/pollable_input_stream.rs
+++ b/gio/src/auto/pollable_input_stream.rs
@@ -18,12 +18,7 @@ impl PollableInputStream {
     pub const NONE: Option<&'static PollableInputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PollableInputStream>> Sealed for T {}
-}
-
-pub trait PollableInputStreamExt: IsA<PollableInputStream> + sealed::Sealed + 'static {
+pub trait PollableInputStreamExt: IsA<PollableInputStream> + 'static {
     #[doc(alias = "g_pollable_input_stream_can_poll")]
     fn can_poll(&self) -> bool {
         unsafe {
diff --git a/gio/src/auto/pollable_output_stream.rs b/gio/src/auto/pollable_output_stream.rs
index c9d75d5c5e6f..d1997df4b61e 100644
--- a/gio/src/auto/pollable_output_stream.rs
+++ b/gio/src/auto/pollable_output_stream.rs
@@ -18,12 +18,7 @@ impl PollableOutputStream {
     pub const NONE: Option<&'static PollableOutputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PollableOutputStream>> Sealed for T {}
-}
-
-pub trait PollableOutputStreamExt: IsA<PollableOutputStream> + sealed::Sealed + 'static {
+pub trait PollableOutputStreamExt: IsA<PollableOutputStream> + 'static {
     #[doc(alias = "g_pollable_output_stream_can_poll")]
     fn can_poll(&self) -> bool {
         unsafe {
diff --git a/gio/src/auto/power_profile_monitor.rs b/gio/src/auto/power_profile_monitor.rs
index 988d2b298238..0f9dbb44e4fe 100644
--- a/gio/src/auto/power_profile_monitor.rs
+++ b/gio/src/auto/power_profile_monitor.rs
@@ -29,12 +29,7 @@ impl PowerProfileMonitor {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PowerProfileMonitor>> Sealed for T {}
-}
-
-pub trait PowerProfileMonitorExt: IsA<PowerProfileMonitor> + sealed::Sealed + 'static {
+pub trait PowerProfileMonitorExt: IsA<PowerProfileMonitor> + 'static {
     #[doc(alias = "g_power_profile_monitor_get_power_saver_enabled")]
     #[doc(alias = "get_power_saver_enabled")]
     #[doc(alias = "power-saver-enabled")]
diff --git a/gio/src/auto/proxy.rs b/gio/src/auto/proxy.rs
index e8b8bf190de4..fdf44fcbecab 100644
--- a/gio/src/auto/proxy.rs
+++ b/gio/src/auto/proxy.rs
@@ -29,12 +29,7 @@ impl Proxy {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Proxy>> Sealed for T {}
-}
-
-pub trait ProxyExt: IsA<Proxy> + sealed::Sealed + 'static {
+pub trait ProxyExt: IsA<Proxy> + 'static {
     #[doc(alias = "g_proxy_connect")]
     fn connect(
         &self,
diff --git a/gio/src/auto/proxy_address.rs b/gio/src/auto/proxy_address.rs
index 99c7eef8a8f9..86d609ad3930 100644
--- a/gio/src/auto/proxy_address.rs
+++ b/gio/src/auto/proxy_address.rs
@@ -45,12 +45,7 @@ impl ProxyAddress {
 unsafe impl Send for ProxyAddress {}
 unsafe impl Sync for ProxyAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ProxyAddress>> Sealed for T {}
-}
-
-pub trait ProxyAddressExt: IsA<ProxyAddress> + sealed::Sealed + 'static {
+pub trait ProxyAddressExt: IsA<ProxyAddress> + 'static {
     #[doc(alias = "g_proxy_address_get_destination_hostname")]
     #[doc(alias = "get_destination_hostname")]
     #[doc(alias = "destination-hostname")]
diff --git a/gio/src/auto/proxy_resolver.rs b/gio/src/auto/proxy_resolver.rs
index 4507e6a13a47..9a25a8fdc48e 100644
--- a/gio/src/auto/proxy_resolver.rs
+++ b/gio/src/auto/proxy_resolver.rs
@@ -26,12 +26,7 @@ impl ProxyResolver {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ProxyResolver>> Sealed for T {}
-}
-
-pub trait ProxyResolverExt: IsA<ProxyResolver> + sealed::Sealed + 'static {
+pub trait ProxyResolverExt: IsA<ProxyResolver> + 'static {
     #[doc(alias = "g_proxy_resolver_is_supported")]
     fn is_supported(&self) -> bool {
         unsafe {
diff --git a/gio/src/auto/remote_action_group.rs b/gio/src/auto/remote_action_group.rs
index da44330a2e32..5bc0912db83c 100644
--- a/gio/src/auto/remote_action_group.rs
+++ b/gio/src/auto/remote_action_group.rs
@@ -18,12 +18,7 @@ impl RemoteActionGroup {
     pub const NONE: Option<&'static RemoteActionGroup> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::RemoteActionGroup>> Sealed for T {}
-}
-
-pub trait RemoteActionGroupExt: IsA<RemoteActionGroup> + sealed::Sealed + 'static {
+pub trait RemoteActionGroupExt: IsA<RemoteActionGroup> + 'static {
     #[doc(alias = "g_remote_action_group_activate_action_full")]
     fn activate_action_full(
         &self,
diff --git a/gio/src/auto/resolver.rs b/gio/src/auto/resolver.rs
index dc3a7e7d769c..bc52e161a429 100644
--- a/gio/src/auto/resolver.rs
+++ b/gio/src/auto/resolver.rs
@@ -43,12 +43,7 @@ impl Resolver {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Resolver>> Sealed for T {}
-}
-
-pub trait ResolverExt: IsA<Resolver> + sealed::Sealed + 'static {
+pub trait ResolverExt: IsA<Resolver> + 'static {
     #[cfg(feature = "v2_78")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_78")))]
     #[doc(alias = "g_resolver_get_timeout")]
diff --git a/gio/src/auto/seekable.rs b/gio/src/auto/seekable.rs
index fd12537c82cd..126f7c91aaee 100644
--- a/gio/src/auto/seekable.rs
+++ b/gio/src/auto/seekable.rs
@@ -18,12 +18,7 @@ impl Seekable {
     pub const NONE: Option<&'static Seekable> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Seekable>> Sealed for T {}
-}
-
-pub trait SeekableExt: IsA<Seekable> + sealed::Sealed + 'static {
+pub trait SeekableExt: IsA<Seekable> + 'static {
     #[doc(alias = "g_seekable_can_seek")]
     fn can_seek(&self) -> bool {
         unsafe { from_glib(ffi::g_seekable_can_seek(self.as_ref().to_glib_none().0)) }
diff --git a/gio/src/auto/settings.rs b/gio/src/auto/settings.rs
index d63c64ba69b5..e2ce6516e13e 100644
--- a/gio/src/auto/settings.rs
+++ b/gio/src/auto/settings.rs
@@ -98,12 +98,7 @@ impl Settings {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Settings>> Sealed for T {}
-}
-
-pub trait SettingsExt: IsA<Settings> + sealed::Sealed + 'static {
+pub trait SettingsExt: IsA<Settings> + 'static {
     #[doc(alias = "g_settings_apply")]
     fn apply(&self) {
         unsafe {
diff --git a/gio/src/auto/settings_backend.rs b/gio/src/auto/settings_backend.rs
index 24836392e4bc..9ece1a1b5733 100644
--- a/gio/src/auto/settings_backend.rs
+++ b/gio/src/auto/settings_backend.rs
@@ -30,12 +30,7 @@ impl SettingsBackend {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SettingsBackend>> Sealed for T {}
-}
-
-pub trait SettingsBackendExt: IsA<SettingsBackend> + sealed::Sealed + 'static {
+pub trait SettingsBackendExt: IsA<SettingsBackend> + 'static {
     //#[doc(alias = "g_settings_backend_changed")]
     //fn changed(&self, key: &str, origin_tag: /*Unimplemented*/Option<Basic: Pointer>) {
     //    unsafe { TODO: call ffi:g_settings_backend_changed() }
diff --git a/gio/src/auto/simple_proxy_resolver.rs b/gio/src/auto/simple_proxy_resolver.rs
index 2226798f4603..8615d6c8f18f 100644
--- a/gio/src/auto/simple_proxy_resolver.rs
+++ b/gio/src/auto/simple_proxy_resolver.rs
@@ -23,12 +23,7 @@ impl SimpleProxyResolver {
     pub const NONE: Option<&'static SimpleProxyResolver> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SimpleProxyResolver>> Sealed for T {}
-}
-
-pub trait SimpleProxyResolverExt: IsA<SimpleProxyResolver> + sealed::Sealed + 'static {
+pub trait SimpleProxyResolverExt: IsA<SimpleProxyResolver> + 'static {
     #[doc(alias = "g_simple_proxy_resolver_set_default_proxy")]
     #[doc(alias = "default-proxy")]
     fn set_default_proxy(&self, default_proxy: Option<&str>) {
diff --git a/gio/src/auto/socket.rs b/gio/src/auto/socket.rs
index 9d3a3d552018..4bbce4a43886 100644
--- a/gio/src/auto/socket.rs
+++ b/gio/src/auto/socket.rs
@@ -48,12 +48,7 @@ impl Socket {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Socket>> Sealed for T {}
-}
-
-pub trait SocketExt: IsA<Socket> + sealed::Sealed + 'static {
+pub trait SocketExt: IsA<Socket> + 'static {
     #[doc(alias = "g_socket_accept")]
     fn accept(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<Socket, glib::Error> {
         unsafe {
diff --git a/gio/src/auto/socket_address.rs b/gio/src/auto/socket_address.rs
index e170c3a22a08..8fd58a5291f9 100644
--- a/gio/src/auto/socket_address.rs
+++ b/gio/src/auto/socket_address.rs
@@ -32,12 +32,7 @@ impl SocketAddress {
 unsafe impl Send for SocketAddress {}
 unsafe impl Sync for SocketAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketAddress>> Sealed for T {}
-}
-
-pub trait SocketAddressExt: IsA<SocketAddress> + sealed::Sealed + 'static {
+pub trait SocketAddressExt: IsA<SocketAddress> + 'static {
     #[doc(alias = "g_socket_address_get_family")]
     #[doc(alias = "get_family")]
     fn family(&self) -> SocketFamily {
diff --git a/gio/src/auto/socket_address_enumerator.rs b/gio/src/auto/socket_address_enumerator.rs
index e2e9fbad873d..963058ac53a0 100644
--- a/gio/src/auto/socket_address_enumerator.rs
+++ b/gio/src/auto/socket_address_enumerator.rs
@@ -19,14 +19,7 @@ impl SocketAddressEnumerator {
     pub const NONE: Option<&'static SocketAddressEnumerator> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketAddressEnumerator>> Sealed for T {}
-}
-
-pub trait SocketAddressEnumeratorExt:
-    IsA<SocketAddressEnumerator> + sealed::Sealed + 'static
-{
+pub trait SocketAddressEnumeratorExt: IsA<SocketAddressEnumerator> + 'static {
     #[doc(alias = "g_socket_address_enumerator_next")]
     fn next(
         &self,
diff --git a/gio/src/auto/socket_client.rs b/gio/src/auto/socket_client.rs
index 7cba120c01bc..cc0388d45cc6 100644
--- a/gio/src/auto/socket_client.rs
+++ b/gio/src/auto/socket_client.rs
@@ -39,12 +39,7 @@ impl Default for SocketClient {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketClient>> Sealed for T {}
-}
-
-pub trait SocketClientExt: IsA<SocketClient> + sealed::Sealed + 'static {
+pub trait SocketClientExt: IsA<SocketClient> + 'static {
     #[doc(alias = "g_socket_client_add_application_proxy")]
     fn add_application_proxy(&self, protocol: &str) {
         unsafe {
diff --git a/gio/src/auto/socket_connectable.rs b/gio/src/auto/socket_connectable.rs
index ec2bc7d20ffa..86cfaa148368 100644
--- a/gio/src/auto/socket_connectable.rs
+++ b/gio/src/auto/socket_connectable.rs
@@ -18,12 +18,7 @@ impl SocketConnectable {
     pub const NONE: Option<&'static SocketConnectable> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketConnectable>> Sealed for T {}
-}
-
-pub trait SocketConnectableExt: IsA<SocketConnectable> + sealed::Sealed + 'static {
+pub trait SocketConnectableExt: IsA<SocketConnectable> + 'static {
     #[doc(alias = "g_socket_connectable_enumerate")]
     fn enumerate(&self) -> SocketAddressEnumerator {
         unsafe {
diff --git a/gio/src/auto/socket_connection.rs b/gio/src/auto/socket_connection.rs
index bbbd5d9d9c09..7933d6dc3877 100644
--- a/gio/src/auto/socket_connection.rs
+++ b/gio/src/auto/socket_connection.rs
@@ -53,12 +53,7 @@ impl SocketConnection {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketConnection>> Sealed for T {}
-}
-
-pub trait SocketConnectionExt: IsA<SocketConnection> + sealed::Sealed + 'static {
+pub trait SocketConnectionExt: IsA<SocketConnection> + 'static {
     #[doc(alias = "g_socket_connection_connect")]
     fn connect(
         &self,
diff --git a/gio/src/auto/socket_control_message.rs b/gio/src/auto/socket_control_message.rs
index cf2b1f2e9a2f..e4a00cb0166d 100644
--- a/gio/src/auto/socket_control_message.rs
+++ b/gio/src/auto/socket_control_message.rs
@@ -31,12 +31,7 @@ impl SocketControlMessage {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketControlMessage>> Sealed for T {}
-}
-
-pub trait SocketControlMessageExt: IsA<SocketControlMessage> + sealed::Sealed + 'static {
+pub trait SocketControlMessageExt: IsA<SocketControlMessage> + 'static {
     #[doc(alias = "g_socket_control_message_get_level")]
     #[doc(alias = "get_level")]
     fn level(&self) -> i32 {
diff --git a/gio/src/auto/socket_listener.rs b/gio/src/auto/socket_listener.rs
index 78fafdae5649..400f3f8b024d 100644
--- a/gio/src/auto/socket_listener.rs
+++ b/gio/src/auto/socket_listener.rs
@@ -37,12 +37,7 @@ impl Default for SocketListener {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketListener>> Sealed for T {}
-}
-
-pub trait SocketListenerExt: IsA<SocketListener> + sealed::Sealed + 'static {
+pub trait SocketListenerExt: IsA<SocketListener> + 'static {
     #[doc(alias = "g_socket_listener_accept")]
     fn accept(
         &self,
diff --git a/gio/src/auto/socket_service.rs b/gio/src/auto/socket_service.rs
index 095de58432dc..cfa00177c9a3 100644
--- a/gio/src/auto/socket_service.rs
+++ b/gio/src/auto/socket_service.rs
@@ -34,12 +34,7 @@ impl Default for SocketService {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketService>> Sealed for T {}
-}
-
-pub trait SocketServiceExt: IsA<SocketService> + sealed::Sealed + 'static {
+pub trait SocketServiceExt: IsA<SocketService> + 'static {
     #[doc(alias = "g_socket_service_is_active")]
     #[doc(alias = "active")]
     fn is_active(&self) -> bool {
diff --git a/gio/src/auto/tcp_connection.rs b/gio/src/auto/tcp_connection.rs
index 6255b795227a..84709a4ca78e 100644
--- a/gio/src/auto/tcp_connection.rs
+++ b/gio/src/auto/tcp_connection.rs
@@ -23,12 +23,7 @@ impl TcpConnection {
     pub const NONE: Option<&'static TcpConnection> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TcpConnection>> Sealed for T {}
-}
-
-pub trait TcpConnectionExt: IsA<TcpConnection> + sealed::Sealed + 'static {
+pub trait TcpConnectionExt: IsA<TcpConnection> + 'static {
     #[doc(alias = "g_tcp_connection_get_graceful_disconnect")]
     #[doc(alias = "get_graceful_disconnect")]
     #[doc(alias = "graceful-disconnect")]
diff --git a/gio/src/auto/threaded_socket_service.rs b/gio/src/auto/threaded_socket_service.rs
index b6a55823b977..b09edbe2c8a5 100644
--- a/gio/src/auto/threaded_socket_service.rs
+++ b/gio/src/auto/threaded_socket_service.rs
@@ -23,12 +23,7 @@ impl ThreadedSocketService {
     pub const NONE: Option<&'static ThreadedSocketService> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ThreadedSocketService>> Sealed for T {}
-}
-
-pub trait ThreadedSocketServiceExt: IsA<ThreadedSocketService> + sealed::Sealed + 'static {
+pub trait ThreadedSocketServiceExt: IsA<ThreadedSocketService> + 'static {
     #[doc(alias = "max-threads")]
     fn max_threads(&self) -> i32 {
         ObjectExt::property(self.as_ref(), "max-threads")
diff --git a/gio/src/auto/tls_backend.rs b/gio/src/auto/tls_backend.rs
index 7bf9a33cb862..195f25c9c94e 100644
--- a/gio/src/auto/tls_backend.rs
+++ b/gio/src/auto/tls_backend.rs
@@ -25,12 +25,7 @@ impl TlsBackend {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsBackend>> Sealed for T {}
-}
-
-pub trait TlsBackendExt: IsA<TlsBackend> + sealed::Sealed + 'static {
+pub trait TlsBackendExt: IsA<TlsBackend> + 'static {
     #[doc(alias = "g_tls_backend_get_certificate_type")]
     #[doc(alias = "get_certificate_type")]
     fn certificate_type(&self) -> glib::types::Type {
diff --git a/gio/src/auto/tls_certificate.rs b/gio/src/auto/tls_certificate.rs
index 0468cebcef4a..c41c8827a039 100644
--- a/gio/src/auto/tls_certificate.rs
+++ b/gio/src/auto/tls_certificate.rs
@@ -165,12 +165,7 @@ impl TlsCertificate {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsCertificate>> Sealed for T {}
-}
-
-pub trait TlsCertificateExt: IsA<TlsCertificate> + sealed::Sealed + 'static {
+pub trait TlsCertificateExt: IsA<TlsCertificate> + 'static {
     #[cfg(feature = "v2_70")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_70")))]
     #[doc(alias = "g_tls_certificate_get_dns_names")]
diff --git a/gio/src/auto/tls_client_connection.rs b/gio/src/auto/tls_client_connection.rs
index de68b3038ce9..5a9a1b07d164 100644
--- a/gio/src/auto/tls_client_connection.rs
+++ b/gio/src/auto/tls_client_connection.rs
@@ -44,12 +44,7 @@ impl TlsClientConnection {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsClientConnection>> Sealed for T {}
-}
-
-pub trait TlsClientConnectionExt: IsA<TlsClientConnection> + sealed::Sealed + 'static {
+pub trait TlsClientConnectionExt: IsA<TlsClientConnection> + 'static {
     #[doc(alias = "g_tls_client_connection_copy_session_state")]
     fn copy_session_state(&self, source: &impl IsA<TlsClientConnection>) {
         unsafe {
diff --git a/gio/src/auto/tls_connection.rs b/gio/src/auto/tls_connection.rs
index 6ce020d45f97..7027589ffb6c 100644
--- a/gio/src/auto/tls_connection.rs
+++ b/gio/src/auto/tls_connection.rs
@@ -30,12 +30,7 @@ impl TlsConnection {
     pub const NONE: Option<&'static TlsConnection> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsConnection>> Sealed for T {}
-}
-
-pub trait TlsConnectionExt: IsA<TlsConnection> + sealed::Sealed + 'static {
+pub trait TlsConnectionExt: IsA<TlsConnection> + 'static {
     #[doc(alias = "g_tls_connection_emit_accept_certificate")]
     fn emit_accept_certificate(
         &self,
diff --git a/gio/src/auto/tls_database.rs b/gio/src/auto/tls_database.rs
index db1dd47370a1..1e45cd81d0c5 100644
--- a/gio/src/auto/tls_database.rs
+++ b/gio/src/auto/tls_database.rs
@@ -22,12 +22,7 @@ impl TlsDatabase {
     pub const NONE: Option<&'static TlsDatabase> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsDatabase>> Sealed for T {}
-}
-
-pub trait TlsDatabaseExt: IsA<TlsDatabase> + sealed::Sealed + 'static {
+pub trait TlsDatabaseExt: IsA<TlsDatabase> + 'static {
     #[doc(alias = "g_tls_database_create_certificate_handle")]
     fn create_certificate_handle(
         &self,
diff --git a/gio/src/auto/tls_file_database.rs b/gio/src/auto/tls_file_database.rs
index a7cc3753ddde..878326074e3a 100644
--- a/gio/src/auto/tls_file_database.rs
+++ b/gio/src/auto/tls_file_database.rs
@@ -36,12 +36,7 @@ impl TlsFileDatabase {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsFileDatabase>> Sealed for T {}
-}
-
-pub trait TlsFileDatabaseExt: IsA<TlsFileDatabase> + sealed::Sealed + 'static {
+pub trait TlsFileDatabaseExt: IsA<TlsFileDatabase> + 'static {
     fn anchors(&self) -> Option<glib::GString> {
         ObjectExt::property(self.as_ref(), "anchors")
     }
diff --git a/gio/src/auto/tls_interaction.rs b/gio/src/auto/tls_interaction.rs
index 0c902f69fe1c..964f36184320 100644
--- a/gio/src/auto/tls_interaction.rs
+++ b/gio/src/auto/tls_interaction.rs
@@ -22,12 +22,7 @@ impl TlsInteraction {
     pub const NONE: Option<&'static TlsInteraction> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsInteraction>> Sealed for T {}
-}
-
-pub trait TlsInteractionExt: IsA<TlsInteraction> + sealed::Sealed + 'static {
+pub trait TlsInteractionExt: IsA<TlsInteraction> + 'static {
     #[doc(alias = "g_tls_interaction_ask_password")]
     fn ask_password(
         &self,
diff --git a/gio/src/auto/tls_password.rs b/gio/src/auto/tls_password.rs
index c832a8ad2788..c57356bbee89 100644
--- a/gio/src/auto/tls_password.rs
+++ b/gio/src/auto/tls_password.rs
@@ -33,12 +33,7 @@ impl TlsPassword {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsPassword>> Sealed for T {}
-}
-
-pub trait TlsPasswordExt: IsA<TlsPassword> + sealed::Sealed + 'static {
+pub trait TlsPasswordExt: IsA<TlsPassword> + 'static {
     #[doc(alias = "g_tls_password_get_description")]
     #[doc(alias = "get_description")]
     fn description(&self) -> glib::GString {
diff --git a/gio/src/auto/tls_server_connection.rs b/gio/src/auto/tls_server_connection.rs
index bbd8119c5242..6b2a33b42f33 100644
--- a/gio/src/auto/tls_server_connection.rs
+++ b/gio/src/auto/tls_server_connection.rs
@@ -43,12 +43,7 @@ impl TlsServerConnection {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsServerConnection>> Sealed for T {}
-}
-
-pub trait TlsServerConnectionExt: IsA<TlsServerConnection> + sealed::Sealed + 'static {
+pub trait TlsServerConnectionExt: IsA<TlsServerConnection> + 'static {
     #[doc(alias = "authentication-mode")]
     fn authentication_mode(&self) -> TlsAuthenticationMode {
         ObjectExt::property(self.as_ref(), "authentication-mode")
diff --git a/gio/src/auto/unix_credentials_message.rs b/gio/src/auto/unix_credentials_message.rs
index ccd645c91d8c..fd0366fe0e47 100644
--- a/gio/src/auto/unix_credentials_message.rs
+++ b/gio/src/auto/unix_credentials_message.rs
@@ -48,14 +48,7 @@ impl Default for UnixCredentialsMessage {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixCredentialsMessage>> Sealed for T {}
-}
-
-pub trait UnixCredentialsMessageExt:
-    IsA<UnixCredentialsMessage> + sealed::Sealed + 'static
-{
+pub trait UnixCredentialsMessageExt: IsA<UnixCredentialsMessage> + 'static {
     #[doc(alias = "g_unix_credentials_message_get_credentials")]
     #[doc(alias = "get_credentials")]
     fn credentials(&self) -> Credentials {
diff --git a/gio/src/auto/unix_fd_list.rs b/gio/src/auto/unix_fd_list.rs
index 704b10ea53fe..70c84363f2cf 100644
--- a/gio/src/auto/unix_fd_list.rs
+++ b/gio/src/auto/unix_fd_list.rs
@@ -29,12 +29,7 @@ impl Default for UnixFDList {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixFDList>> Sealed for T {}
-}
-
-pub trait UnixFDListExt: IsA<UnixFDList> + sealed::Sealed + 'static {
+pub trait UnixFDListExt: IsA<UnixFDList> + 'static {
     #[doc(alias = "g_unix_fd_list_get_length")]
     #[doc(alias = "get_length")]
     fn length(&self) -> i32 {
diff --git a/gio/src/auto/unix_fd_message.rs b/gio/src/auto/unix_fd_message.rs
index b5cf16c9b0f6..3d90f4a338af 100644
--- a/gio/src/auto/unix_fd_message.rs
+++ b/gio/src/auto/unix_fd_message.rs
@@ -40,12 +40,7 @@ impl Default for UnixFDMessage {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixFDMessage>> Sealed for T {}
-}
-
-pub trait UnixFDMessageExt: IsA<UnixFDMessage> + sealed::Sealed + 'static {
+pub trait UnixFDMessageExt: IsA<UnixFDMessage> + 'static {
     #[doc(alias = "g_unix_fd_message_get_fd_list")]
     #[doc(alias = "get_fd_list")]
     #[doc(alias = "fd-list")]
diff --git a/gio/src/auto/unix_input_stream.rs b/gio/src/auto/unix_input_stream.rs
index a014b0578d56..43c455572ca7 100644
--- a/gio/src/auto/unix_input_stream.rs
+++ b/gio/src/auto/unix_input_stream.rs
@@ -18,12 +18,7 @@ impl UnixInputStream {
     pub const NONE: Option<&'static UnixInputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixInputStream>> Sealed for T {}
-}
-
-pub trait UnixInputStreamExt: IsA<UnixInputStream> + sealed::Sealed + 'static {
+pub trait UnixInputStreamExt: IsA<UnixInputStream> + 'static {
     #[doc(alias = "g_unix_input_stream_get_close_fd")]
     #[doc(alias = "get_close_fd")]
     #[doc(alias = "close-fd")]
diff --git a/gio/src/auto/unix_output_stream.rs b/gio/src/auto/unix_output_stream.rs
index 0c45da35477f..f7cba6395d7b 100644
--- a/gio/src/auto/unix_output_stream.rs
+++ b/gio/src/auto/unix_output_stream.rs
@@ -18,12 +18,7 @@ impl UnixOutputStream {
     pub const NONE: Option<&'static UnixOutputStream> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixOutputStream>> Sealed for T {}
-}
-
-pub trait UnixOutputStreamExt: IsA<UnixOutputStream> + sealed::Sealed + 'static {
+pub trait UnixOutputStreamExt: IsA<UnixOutputStream> + 'static {
     #[doc(alias = "g_unix_output_stream_get_close_fd")]
     #[doc(alias = "get_close_fd")]
     #[doc(alias = "close-fd")]
diff --git a/gio/src/auto/unix_socket_address.rs b/gio/src/auto/unix_socket_address.rs
index 545560e2c6b0..a79adf9e0fd4 100644
--- a/gio/src/auto/unix_socket_address.rs
+++ b/gio/src/auto/unix_socket_address.rs
@@ -37,12 +37,7 @@ impl UnixSocketAddress {
 unsafe impl Send for UnixSocketAddress {}
 unsafe impl Sync for UnixSocketAddress {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixSocketAddress>> Sealed for T {}
-}
-
-pub trait UnixSocketAddressExt: IsA<UnixSocketAddress> + sealed::Sealed + 'static {
+pub trait UnixSocketAddressExt: IsA<UnixSocketAddress> + 'static {
     #[doc(alias = "g_unix_socket_address_get_address_type")]
     #[doc(alias = "get_address_type")]
     #[doc(alias = "address-type")]
diff --git a/gio/src/auto/versions.txt b/gio/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/gio/src/auto/versions.txt
+++ b/gio/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/gio/src/auto/vfs.rs b/gio/src/auto/vfs.rs
index c3081f30b4ef..981cc31ffd4b 100644
--- a/gio/src/auto/vfs.rs
+++ b/gio/src/auto/vfs.rs
@@ -35,12 +35,7 @@ impl Vfs {
 unsafe impl Send for Vfs {}
 unsafe impl Sync for Vfs {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Vfs>> Sealed for T {}
-}
-
-pub trait VfsExt: IsA<Vfs> + sealed::Sealed + 'static {
+pub trait VfsExt: IsA<Vfs> + 'static {
     #[doc(alias = "g_vfs_get_file_for_path")]
     #[doc(alias = "get_file_for_path")]
     fn file_for_path(&self, path: &str) -> File {
diff --git a/gio/src/auto/volume.rs b/gio/src/auto/volume.rs
index 3e3a66ceec48..fc5a0682a858 100644
--- a/gio/src/auto/volume.rs
+++ b/gio/src/auto/volume.rs
@@ -26,12 +26,7 @@ impl Volume {
     pub const NONE: Option<&'static Volume> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Volume>> Sealed for T {}
-}
-
-pub trait VolumeExt: IsA<Volume> + sealed::Sealed + 'static {
+pub trait VolumeExt: IsA<Volume> + 'static {
     #[doc(alias = "g_volume_can_eject")]
     fn can_eject(&self) -> bool {
         unsafe { from_glib(ffi::g_volume_can_eject(self.as_ref().to_glib_none().0)) }
diff --git a/gio/src/auto/volume_monitor.rs b/gio/src/auto/volume_monitor.rs
index 0b8c35b9cc97..d9c596f88869 100644
--- a/gio/src/auto/volume_monitor.rs
+++ b/gio/src/auto/volume_monitor.rs
@@ -28,12 +28,7 @@ impl VolumeMonitor {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::VolumeMonitor>> Sealed for T {}
-}
-
-pub trait VolumeMonitorExt: IsA<VolumeMonitor> + sealed::Sealed + 'static {
+pub trait VolumeMonitorExt: IsA<VolumeMonitor> + 'static {
     #[doc(alias = "g_volume_monitor_get_connected_drives")]
     #[doc(alias = "get_connected_drives")]
     fn connected_drives(&self) -> Vec<Drive> {
diff --git a/gio/src/cancellable.rs b/gio/src/cancellable.rs
index 3a36a947fd20..3ed1ca9a5386 100644
--- a/gio/src/cancellable.rs
+++ b/gio/src/cancellable.rs
@@ -32,12 +32,7 @@ impl TryFromGlib<libc::c_ulong> for CancelledHandlerId {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Cancellable>> Sealed for T {}
-}
-
-pub trait CancellableExtManual: sealed::Sealed + IsA<Cancellable> {
+pub trait CancellableExtManual: IsA<Cancellable> {
     // rustdoc-stripper-ignore-next
     /// Convenience function to connect to the `signal::Cancellable::cancelled` signal. Also
     /// handles the race condition that may happen if the cancellable is cancelled right before
diff --git a/gio/src/converter.rs b/gio/src/converter.rs
index fdb8cbd96238..3a7e23d5e2f2 100644
--- a/gio/src/converter.rs
+++ b/gio/src/converter.rs
@@ -6,12 +6,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{ffi, Converter, ConverterFlags, ConverterResult};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Converter>> Sealed for T {}
-}
-
-pub trait ConverterExtManual: sealed::Sealed + IsA<Converter> + 'static {
+pub trait ConverterExtManual: IsA<Converter> + 'static {
     #[doc(alias = "g_converter_convert")]
     fn convert<IN: AsRef<[u8]>, OUT: AsMut<[u8]>>(
         &self,
diff --git a/gio/src/data_input_stream.rs b/gio/src/data_input_stream.rs
index dfc63ce3763b..07bfc1ca5822 100644
--- a/gio/src/data_input_stream.rs
+++ b/gio/src/data_input_stream.rs
@@ -6,12 +6,7 @@ use glib::{prelude::*, translate::*, GString};
 
 use crate::{ffi, Cancellable, DataInputStream};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DataInputStream>> Sealed for T {}
-}
-
-pub trait DataInputStreamExtManual: sealed::Sealed + IsA<DataInputStream> + 'static {
+pub trait DataInputStreamExtManual: IsA<DataInputStream> + 'static {
     #[doc(alias = "g_data_input_stream_read_line")]
     fn read_line<P: IsA<Cancellable>>(
         &self,
diff --git a/gio/src/datagram_based.rs b/gio/src/datagram_based.rs
index 6521f5637f12..4d0c9b4e7ec2 100644
--- a/gio/src/datagram_based.rs
+++ b/gio/src/datagram_based.rs
@@ -7,12 +7,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{ffi, Cancellable, DatagramBased, InputMessage, OutputMessage};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DatagramBased>> Sealed for T {}
-}
-
-pub trait DatagramBasedExtManual: sealed::Sealed + IsA<DatagramBased> + Sized {
+pub trait DatagramBasedExtManual: IsA<DatagramBased> + Sized {
     #[doc(alias = "g_datagram_based_create_source")]
     fn create_source<F, C>(
         &self,
diff --git a/gio/src/dbus_proxy.rs b/gio/src/dbus_proxy.rs
index 79e18bfcf0de..7f243dba8e01 100644
--- a/gio/src/dbus_proxy.rs
+++ b/gio/src/dbus_proxy.rs
@@ -6,12 +6,7 @@ use glib::{prelude::*, signal::connect_raw, translate::*, SignalHandlerId};
 
 use crate::{ffi, DBusProxy};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DBusProxy>> Sealed for T {}
-}
-
-pub trait DBusProxyExtManual: sealed::Sealed + IsA<DBusProxy> + 'static {
+pub trait DBusProxyExtManual: IsA<DBusProxy> + 'static {
     #[cfg(feature = "v2_72")]
     #[doc(alias = "g-signal")]
     fn connect_g_signal<
diff --git a/gio/src/debug_controller_dbus.rs b/gio/src/debug_controller_dbus.rs
index 49dc1433b8ae..b8987ace6474 100644
--- a/gio/src/debug_controller_dbus.rs
+++ b/gio/src/debug_controller_dbus.rs
@@ -4,12 +4,7 @@ use glib::prelude::*;
 
 use crate::{DBusConnection, DebugControllerDBus};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DebugControllerDBus>> Sealed for T {}
-}
-
-pub trait DebugControllerDBusExtManual: sealed::Sealed + IsA<DebugControllerDBus> + Sized {
+pub trait DebugControllerDBusExtManual: IsA<DebugControllerDBus> + Sized {
     fn connection(&self) -> DBusConnection {
         ObjectExt::property(self.as_ref(), "connection")
     }
diff --git a/gio/src/desktop_app_info.rs b/gio/src/desktop_app_info.rs
index 5e826cd70442..f849c99b0dbc 100644
--- a/gio/src/desktop_app_info.rs
+++ b/gio/src/desktop_app_info.rs
@@ -45,13 +45,7 @@ impl DesktopAppInfo {
 }
 
 #[cfg(all(feature = "v2_58", unix))]
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::DesktopAppInfo>> Sealed for T {}
-}
-
-#[cfg(all(feature = "v2_58", unix))]
-pub trait DesktopAppInfoExtManual: sealed::Sealed + IsA<DesktopAppInfo> {
+pub trait DesktopAppInfoExtManual: IsA<DesktopAppInfo> {
     #[cfg_attr(docsrs, doc(cfg(all(feature = "v2_58", unix))))]
     #[doc(alias = "g_desktop_app_info_launch_uris_as_manager_with_fds")]
     fn launch_uris_as_manager_with_fds<
diff --git a/gio/src/file.rs b/gio/src/file.rs
index 61b1a120a258..9085c60f7e5b 100644
--- a/gio/src/file.rs
+++ b/gio/src/file.rs
@@ -163,12 +163,7 @@ impl File {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::File>> Sealed for T {}
-}
-
-pub trait FileExtManual: sealed::Sealed + IsA<File> + Sized {
+pub trait FileExtManual: IsA<File> + Sized {
     #[doc(alias = "g_file_replace_contents_async")]
     fn replace_contents_async<
         B: AsRef<[u8]> + Send + 'static,
diff --git a/gio/src/file_descriptor_based.rs b/gio/src/file_descriptor_based.rs
index 357636c1895c..3a08c0b62a7b 100644
--- a/gio/src/file_descriptor_based.rs
+++ b/gio/src/file_descriptor_based.rs
@@ -27,14 +27,7 @@ impl AsRawFd for FileDescriptorBased {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileDescriptorBased>> Sealed for T {}
-}
-
-pub trait FileDescriptorBasedExtManual:
-    sealed::Sealed + IsA<FileDescriptorBased> + 'static
-{
+pub trait FileDescriptorBasedExtManual: IsA<FileDescriptorBased> + 'static {
     #[doc(alias = "g_file_descriptor_based_get_fd")]
     #[doc(alias = "get_fd")]
     fn fd<T: FromRawFd>(&self) -> T {
diff --git a/gio/src/file_enumerator.rs b/gio/src/file_enumerator.rs
index 80faa75d5c52..8ef62f26a87a 100644
--- a/gio/src/file_enumerator.rs
+++ b/gio/src/file_enumerator.rs
@@ -18,12 +18,7 @@ impl Iterator for FileEnumerator {
 
 impl FusedIterator for FileEnumerator {}
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FileEnumerator>> Sealed for T {}
-}
-
-pub trait FileEnumeratorExtManual: sealed::Sealed + IsA<FileEnumerator> {
+pub trait FileEnumeratorExtManual: IsA<FileEnumerator> {
     // rustdoc-stripper-ignore-next
     /// Converts the enumerator into a [`Stream`](futures_core::Stream).
     fn into_stream(self, num_files: i32, priority: glib::Priority) -> FileEnumeratorStream {
diff --git a/gio/src/inet_address.rs b/gio/src/inet_address.rs
index e5d413accf98..663ce63f47be 100644
--- a/gio/src/inet_address.rs
+++ b/gio/src/inet_address.rs
@@ -42,12 +42,7 @@ impl InetAddress {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InetAddress>> Sealed for T {}
-}
-
-pub trait InetAddressExtManual: sealed::Sealed + IsA<InetAddress> + 'static {
+pub trait InetAddressExtManual: IsA<InetAddress> + 'static {
     // rustdoc-stripper-ignore-next
     /// Returns `None` in case the address has a native size different than 4 and 16.
     #[doc(alias = "g_inet_address_to_bytes")]
diff --git a/gio/src/input_stream.rs b/gio/src/input_stream.rs
index 59ae974c11e4..fb874f96f2b9 100644
--- a/gio/src/input_stream.rs
+++ b/gio/src/input_stream.rs
@@ -8,12 +8,7 @@ use glib::{prelude::*, translate::*, Priority};
 
 use crate::{error::to_std_io_result, ffi, prelude::*, Cancellable, InputStream, Seekable};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::InputStream>> Sealed for T {}
-}
-
-pub trait InputStreamExtManual: sealed::Sealed + IsA<InputStream> + Sized {
+pub trait InputStreamExtManual: IsA<InputStream> + Sized {
     #[doc(alias = "g_input_stream_read")]
     fn read<B: AsMut<[u8]>, C: IsA<Cancellable>>(
         &self,
diff --git a/gio/src/io_stream.rs b/gio/src/io_stream.rs
index 3335f7b4cca2..5cf2ac46b07f 100644
--- a/gio/src/io_stream.rs
+++ b/gio/src/io_stream.rs
@@ -11,12 +11,7 @@ use crate::{
     PollableOutputStream,
 };
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::IOStream>> Sealed for T {}
-}
-
-pub trait IOStreamExtManual: sealed::Sealed + Sized + IsA<IOStream> {
+pub trait IOStreamExtManual: Sized + IsA<IOStream> {
     fn into_async_read_write(self) -> Result<IOStreamAsyncReadWrite<Self>, Self> {
         let write = self
             .output_stream()
diff --git a/gio/src/list_model.rs b/gio/src/list_model.rs
index 5eaa3caa8cd2..1ed07966b36d 100644
--- a/gio/src/list_model.rs
+++ b/gio/src/list_model.rs
@@ -6,12 +6,7 @@ use glib::SignalHandlerId;
 
 use crate::{prelude::*, ListModel};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::ListModel>> Sealed for T {}
-}
-
-pub trait ListModelExtManual: sealed::Sealed + IsA<ListModel> + Sized {
+pub trait ListModelExtManual: IsA<ListModel> + Sized {
     // rustdoc-stripper-ignore-next
     /// Get an immutable snapshot of the container inside the `ListModel`.
     /// Any modification done to the returned container `Vec` will not be
diff --git a/gio/src/output_stream.rs b/gio/src/output_stream.rs
index ef53438d0201..3ad1969f8c1c 100644
--- a/gio/src/output_stream.rs
+++ b/gio/src/output_stream.rs
@@ -8,12 +8,7 @@ use glib::{prelude::*, translate::*, Priority};
 use crate::OutputVector;
 use crate::{error::to_std_io_result, ffi, prelude::*, Cancellable, OutputStream, Seekable};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::OutputStream>> Sealed for T {}
-}
-
-pub trait OutputStreamExtManual: sealed::Sealed + IsA<OutputStream> + Sized {
+pub trait OutputStreamExtManual: IsA<OutputStream> + Sized {
     #[doc(alias = "g_output_stream_write_async")]
     fn write_async<
         B: AsRef<[u8]> + Send + 'static,
diff --git a/gio/src/pollable_input_stream.rs b/gio/src/pollable_input_stream.rs
index 72ce1e6ea5a5..e6a100d7e3aa 100644
--- a/gio/src/pollable_input_stream.rs
+++ b/gio/src/pollable_input_stream.rs
@@ -11,12 +11,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{ffi, prelude::*, Cancellable, PollableInputStream};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PollableInputStream>> Sealed for T {}
-}
-
-pub trait PollableInputStreamExtManual: sealed::Sealed + IsA<PollableInputStream> + Sized {
+pub trait PollableInputStreamExtManual: IsA<PollableInputStream> + Sized {
     #[doc(alias = "g_pollable_input_stream_create_source")]
     fn create_source<F, C>(
         &self,
diff --git a/gio/src/pollable_output_stream.rs b/gio/src/pollable_output_stream.rs
index 3a84fbff9ca3..7a861b289861 100644
--- a/gio/src/pollable_output_stream.rs
+++ b/gio/src/pollable_output_stream.rs
@@ -15,12 +15,7 @@ use crate::{error::to_std_io_result, ffi, prelude::*, Cancellable, PollableOutpu
 #[cfg(feature = "v2_60")]
 use crate::{OutputVector, PollableReturn};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::PollableOutputStream>> Sealed for T {}
-}
-
-pub trait PollableOutputStreamExtManual: sealed::Sealed + IsA<PollableOutputStream> {
+pub trait PollableOutputStreamExtManual: IsA<PollableOutputStream> {
     #[doc(alias = "g_pollable_output_stream_create_source")]
     fn create_source<F, C>(
         &self,
diff --git a/gio/src/settings.rs b/gio/src/settings.rs
index d0eda98f65d6..57bc9cec95a4 100644
--- a/gio/src/settings.rs
+++ b/gio/src/settings.rs
@@ -167,12 +167,7 @@ impl<'a> BindingBuilder<'a> {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Settings>> Sealed for T {}
-}
-
-pub trait SettingsExtManual: sealed::Sealed + IsA<Settings> {
+pub trait SettingsExtManual: IsA<Settings> {
     fn get<U: FromVariant>(&self, key: &str) -> U {
         let val = self.value(key);
         FromVariant::from_variant(&val).unwrap_or_else(|| {
diff --git a/gio/src/simple_proxy_resolver.rs b/gio/src/simple_proxy_resolver.rs
index 3332572b096d..bd99cede28c0 100644
--- a/gio/src/simple_proxy_resolver.rs
+++ b/gio/src/simple_proxy_resolver.rs
@@ -19,14 +19,7 @@ impl SimpleProxyResolver {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SimpleProxyResolver>> Sealed for T {}
-}
-
-pub trait SimpleProxyResolverExtManual:
-    sealed::Sealed + IsA<SimpleProxyResolver> + 'static
-{
+pub trait SimpleProxyResolverExtManual: IsA<SimpleProxyResolver> + 'static {
     #[doc(alias = "g_simple_proxy_resolver_set_ignore_hosts")]
     fn set_ignore_hosts(&self, ignore_hosts: impl IntoStrV) {
         unsafe {
diff --git a/gio/src/socket.rs b/gio/src/socket.rs
index 9662b80ad74c..5178f859a69a 100644
--- a/gio/src/socket.rs
+++ b/gio/src/socket.rs
@@ -289,12 +289,7 @@ impl<'m> OutputMessage<'m> {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Socket>> Sealed for T {}
-}
-
-pub trait SocketExtManual: sealed::Sealed + IsA<Socket> + Sized {
+pub trait SocketExtManual: IsA<Socket> + Sized {
     #[doc(alias = "g_socket_receive")]
     fn receive<B: AsMut<[u8]>, C: IsA<Cancellable>>(
         &self,
diff --git a/gio/src/socket_control_message.rs b/gio/src/socket_control_message.rs
index 143ae8decc29..433e35272b61 100644
--- a/gio/src/socket_control_message.rs
+++ b/gio/src/socket_control_message.rs
@@ -4,14 +4,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{prelude::*, SocketControlMessage};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::SocketControlMessage>> Sealed for T {}
-}
-
-pub trait SocketControlMessageExtManual:
-    sealed::Sealed + IsA<SocketControlMessage> + Sized
-{
+pub trait SocketControlMessageExtManual: IsA<SocketControlMessage> + Sized {
     #[doc(alias = "g_socket_control_message_serialize")]
     fn serialize(&self, data: &mut [u8]) {
         assert!(data.len() >= self.size());
diff --git a/gio/src/tls_connection.rs b/gio/src/tls_connection.rs
index 54614ce7dcdc..7e28c4ddfdab 100644
--- a/gio/src/tls_connection.rs
+++ b/gio/src/tls_connection.rs
@@ -11,12 +11,7 @@ use glib::translate::*;
 use crate::TlsChannelBindingType;
 use crate::TlsConnection;
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TlsConnection>> Sealed for T {}
-}
-
-pub trait TlsConnectionExtManual: sealed::Sealed + IsA<TlsConnection> {
+pub trait TlsConnectionExtManual: IsA<TlsConnection> {
     #[cfg(feature = "v2_66")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v2_66")))]
     #[doc(alias = "g_tls_connection_get_channel_binding_data")]
diff --git a/gio/src/unix_fd_list.rs b/gio/src/unix_fd_list.rs
index f6c77515e240..24e7048f044e 100644
--- a/gio/src/unix_fd_list.rs
+++ b/gio/src/unix_fd_list.rs
@@ -23,12 +23,7 @@ impl UnixFDList {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixFDList>> Sealed for T {}
-}
-
-pub trait UnixFDListExtManual: sealed::Sealed + IsA<UnixFDList> + Sized {
+pub trait UnixFDListExtManual: IsA<UnixFDList> + Sized {
     #[doc(alias = "g_unix_fd_list_append")]
     fn append<T: AsRawFd>(&self, fd: T) -> Result<i32, glib::Error> {
         unsafe {
diff --git a/gio/src/unix_fd_message.rs b/gio/src/unix_fd_message.rs
index b573997b452d..48af5a7ce97f 100644
--- a/gio/src/unix_fd_message.rs
+++ b/gio/src/unix_fd_message.rs
@@ -10,12 +10,7 @@ use socket::{AsRawFd, RawFd};
 
 use crate::{ffi, UnixFDMessage};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixFDMessage>> Sealed for T {}
-}
-
-pub trait UnixFDMessageExtManual: sealed::Sealed + IsA<UnixFDMessage> + Sized {
+pub trait UnixFDMessageExtManual: IsA<UnixFDMessage> + Sized {
     #[doc(alias = "g_unix_fd_message_append_fd")]
     fn append_fd<T: AsRawFd>(&self, fd: T) -> Result<(), glib::Error> {
         unsafe {
diff --git a/gio/src/unix_input_stream.rs b/gio/src/unix_input_stream.rs
index ce515a332fe8..479951cee6eb 100644
--- a/gio/src/unix_input_stream.rs
+++ b/gio/src/unix_input_stream.rs
@@ -43,12 +43,7 @@ impl AsRawFd for UnixInputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixInputStream>> Sealed for T {}
-}
-
-pub trait UnixInputStreamExtManual: sealed::Sealed + IsA<UnixInputStream> + Sized {
+pub trait UnixInputStreamExtManual: IsA<UnixInputStream> + Sized {
     // rustdoc-stripper-ignore-next
     /// Sets whether the fd of this stream will be closed when the stream is closed.
     ///
diff --git a/gio/src/unix_output_stream.rs b/gio/src/unix_output_stream.rs
index 255fe8a207f9..3fbfdab713f4 100644
--- a/gio/src/unix_output_stream.rs
+++ b/gio/src/unix_output_stream.rs
@@ -43,12 +43,7 @@ impl AsRawFd for UnixOutputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixOutputStream>> Sealed for T {}
-}
-
-pub trait UnixOutputStreamExtManual: sealed::Sealed + IsA<UnixOutputStream> + Sized {
+pub trait UnixOutputStreamExtManual: IsA<UnixOutputStream> + Sized {
     // rustdoc-stripper-ignore-next
     /// Sets whether the fd of this stream will be closed when the stream is closed.
     ///
diff --git a/gio/src/unix_socket_address.rs b/gio/src/unix_socket_address.rs
index 6b17fcadec96..59cc1ba41ffe 100644
--- a/gio/src/unix_socket_address.rs
+++ b/gio/src/unix_socket_address.rs
@@ -65,12 +65,7 @@ impl UnixSocketAddress {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::UnixSocketAddress>> Sealed for T {}
-}
-
-pub trait UnixSocketAddressExtManual: sealed::Sealed + IsA<UnixSocketAddress> + 'static {
+pub trait UnixSocketAddressExtManual: IsA<UnixSocketAddress> + 'static {
     #[doc(alias = "g_unix_socket_address_get_path")]
     #[doc(alias = "get_path")]
     fn path(&self) -> Option<UnixSocketAddressPath> {
diff --git a/gio/src/win32_input_stream.rs b/gio/src/win32_input_stream.rs
index 5ac42731efb3..e2f0fe044aed 100644
--- a/gio/src/win32_input_stream.rs
+++ b/gio/src/win32_input_stream.rs
@@ -52,12 +52,7 @@ impl AsRawHandle for Win32InputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Win32InputStream>> Sealed for T {}
-}
-
-pub trait Win32InputStreamExt: sealed::Sealed + IsA<Win32InputStream> + Sized {
+pub trait Win32InputStreamExt: IsA<Win32InputStream> + Sized {
     #[doc(alias = "g_win32_input_stream_get_close_handle")]
     #[doc(alias = "get_close_handle")]
     fn closes_handle(&self) -> bool {
diff --git a/gio/src/win32_output_stream.rs b/gio/src/win32_output_stream.rs
index 3b1ad736fef5..b68a027d33a2 100644
--- a/gio/src/win32_output_stream.rs
+++ b/gio/src/win32_output_stream.rs
@@ -52,12 +52,7 @@ impl AsRawHandle for Win32OutputStream {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Win32OutputStream>> Sealed for T {}
-}
-
-pub trait Win32OutputStreamExt: sealed::Sealed + IsA<Win32OutputStream> + Sized {
+pub trait Win32OutputStreamExt: IsA<Win32OutputStream> + Sized {
     #[doc(alias = "g_win32_output_stream_get_close_handle")]
     #[doc(alias = "get_close_handle")]
     fn closes_handle(&self) -> bool {
diff --git a/gio/sys/versions.txt b/gio/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/gio/sys/versions.txt
+++ b/gio/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/gir b/gir
index a11b11f2e403..eff839d4745d 160000
--- a/gir
+++ b/gir
@@ -1 +1 @@
-Subproject commit a11b11f2e403d615edd94497b6fe5b3c5283145b
+Subproject commit eff839d4745d5eb210834507c2a9598741ad2e54
diff --git a/glib/gobject-sys/versions.txt b/glib/gobject-sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/glib/gobject-sys/versions.txt
+++ b/glib/gobject-sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/glib/src/auto/versions.txt b/glib/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/glib/src/auto/versions.txt
+++ b/glib/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/glib/src/gobject/dynamic_object.rs b/glib/src/gobject/dynamic_object.rs
index 2639f5ef27a2..1bdb0578ee4b 100644
--- a/glib/src/gobject/dynamic_object.rs
+++ b/glib/src/gobject/dynamic_object.rs
@@ -7,12 +7,7 @@ use crate::{
     InterfaceInfo, Object, TypeFlags, TypeInfo, TypeModule, TypePlugin,
 };
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TypePlugin>> Sealed for T {}
-}
-
-pub trait DynamicObjectRegisterExt: AsRef<TypePlugin> + sealed::Sealed + 'static {
+pub trait DynamicObjectRegisterExt: AsRef<TypePlugin> + 'static {
     fn add_dynamic_interface(
         &self,
         instance_type: crate::types::Type,
diff --git a/glib/src/gobject/type_module.rs b/glib/src/gobject/type_module.rs
index 22715f9157d2..23dfed0cb8fd 100644
--- a/glib/src/gobject/type_module.rs
+++ b/glib/src/gobject/type_module.rs
@@ -21,12 +21,7 @@ impl TypeModule {
     pub const NONE: Option<&'static TypeModule> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TypeModule>> Sealed for T {}
-}
-
-pub trait TypeModuleExt: IsA<TypeModule> + sealed::Sealed + 'static {
+pub trait TypeModuleExt: IsA<TypeModule> + 'static {
     #[doc(alias = "g_type_module_add_interface")]
     fn add_interface(
         &self,
diff --git a/glib/src/gobject/type_plugin.rs b/glib/src/gobject/type_plugin.rs
index 8a941e3a20fd..82b42eaab091 100644
--- a/glib/src/gobject/type_plugin.rs
+++ b/glib/src/gobject/type_plugin.rs
@@ -15,12 +15,7 @@ impl TypePlugin {
     pub const NONE: Option<&'static TypePlugin> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::TypePlugin>> Sealed for T {}
-}
-
-pub trait TypePluginExt: IsA<TypePlugin> + sealed::Sealed + 'static {
+pub trait TypePluginExt: IsA<TypePlugin> + 'static {
     #[doc(alias = "g_type_plugin_complete_interface_info")]
     fn complete_interface_info(
         &self,
diff --git a/glib/sys/versions.txt b/glib/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/glib/sys/versions.txt
+++ b/glib/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/graphene/src/auto/versions.txt b/graphene/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/graphene/src/auto/versions.txt
+++ b/graphene/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/graphene/sys/versions.txt b/graphene/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/graphene/sys/versions.txt
+++ b/graphene/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/pango/src/auto/font.rs b/pango/src/auto/font.rs
index 8655b42d298a..ba5c8f2a9539 100644
--- a/pango/src/auto/font.rs
+++ b/pango/src/auto/font.rs
@@ -46,12 +46,7 @@ impl Font {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Font>> Sealed for T {}
-}
-
-pub trait FontExt: IsA<Font> + sealed::Sealed + 'static {
+pub trait FontExt: IsA<Font> + 'static {
     #[doc(alias = "pango_font_describe")]
     fn describe(&self) -> FontDescription {
         unsafe { from_glib_full(ffi::pango_font_describe(self.as_ref().to_glib_none().0)) }
diff --git a/pango/src/auto/font_face.rs b/pango/src/auto/font_face.rs
index 2a0012bab28f..1b288801201b 100644
--- a/pango/src/auto/font_face.rs
+++ b/pango/src/auto/font_face.rs
@@ -21,12 +21,7 @@ impl FontFace {
     pub const NONE: Option<&'static FontFace> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FontFace>> Sealed for T {}
-}
-
-pub trait FontFaceExt: IsA<FontFace> + sealed::Sealed + 'static {
+pub trait FontFaceExt: IsA<FontFace> + 'static {
     #[doc(alias = "pango_font_face_describe")]
     fn describe(&self) -> FontDescription {
         unsafe {
diff --git a/pango/src/auto/font_family.rs b/pango/src/auto/font_family.rs
index 0e1ff116d74b..17fc44b8f9f0 100644
--- a/pango/src/auto/font_family.rs
+++ b/pango/src/auto/font_family.rs
@@ -31,12 +31,7 @@ impl std::fmt::Display for FontFamily {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FontFamily>> Sealed for T {}
-}
-
-pub trait FontFamilyExt: IsA<FontFamily> + sealed::Sealed + 'static {
+pub trait FontFamilyExt: IsA<FontFamily> + 'static {
     #[cfg(feature = "v1_46")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v1_46")))]
     #[doc(alias = "pango_font_family_get_face")]
diff --git a/pango/src/auto/font_map.rs b/pango/src/auto/font_map.rs
index c2c01d44c785..bdd1128dd7f2 100644
--- a/pango/src/auto/font_map.rs
+++ b/pango/src/auto/font_map.rs
@@ -18,12 +18,7 @@ impl FontMap {
     pub const NONE: Option<&'static FontMap> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FontMap>> Sealed for T {}
-}
-
-pub trait FontMapExt: IsA<FontMap> + sealed::Sealed + 'static {
+pub trait FontMapExt: IsA<FontMap> + 'static {
     #[doc(alias = "pango_font_map_changed")]
     fn changed(&self) {
         unsafe {
diff --git a/pango/src/auto/fontset.rs b/pango/src/auto/fontset.rs
index 1864fdd0bf67..39ba51dbdb88 100644
--- a/pango/src/auto/fontset.rs
+++ b/pango/src/auto/fontset.rs
@@ -18,12 +18,7 @@ impl Fontset {
     pub const NONE: Option<&'static Fontset> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Fontset>> Sealed for T {}
-}
-
-pub trait FontsetExt: IsA<Fontset> + sealed::Sealed + 'static {
+pub trait FontsetExt: IsA<Fontset> + 'static {
     #[doc(alias = "pango_fontset_foreach")]
     fn foreach<P: FnMut(&Fontset, &Font) -> bool>(&self, func: P) {
         let func_data: P = func;
diff --git a/pango/src/auto/renderer.rs b/pango/src/auto/renderer.rs
index 886986ba2bc7..01ab525c6f04 100644
--- a/pango/src/auto/renderer.rs
+++ b/pango/src/auto/renderer.rs
@@ -20,12 +20,7 @@ impl Renderer {
     pub const NONE: Option<&'static Renderer> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Renderer>> Sealed for T {}
-}
-
-pub trait RendererExt: IsA<Renderer> + sealed::Sealed + 'static {
+pub trait RendererExt: IsA<Renderer> + 'static {
     #[doc(alias = "pango_renderer_activate")]
     fn activate(&self) {
         unsafe {
diff --git a/pango/src/auto/versions.txt b/pango/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/pango/src/auto/versions.txt
+++ b/pango/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/pango/sys/versions.txt b/pango/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/pango/sys/versions.txt
+++ b/pango/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/pangocairo/src/auto/font.rs b/pangocairo/src/auto/font.rs
index b31dcb93de4c..4480d3af6356 100644
--- a/pangocairo/src/auto/font.rs
+++ b/pangocairo/src/auto/font.rs
@@ -18,12 +18,7 @@ impl Font {
     pub const NONE: Option<&'static Font> = None;
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::Font>> Sealed for T {}
-}
-
-pub trait PangoCairoFontExt: IsA<Font> + sealed::Sealed + 'static {
+pub trait PangoCairoFontExt: IsA<Font> + 'static {
     #[doc(alias = "pango_cairo_font_get_scaled_font")]
     #[doc(alias = "get_scaled_font")]
     fn scaled_font(&self) -> Option<cairo::ScaledFont> {
diff --git a/pangocairo/src/auto/font_map.rs b/pangocairo/src/auto/font_map.rs
index 1352a93bc524..02e191ba6c71 100644
--- a/pangocairo/src/auto/font_map.rs
+++ b/pangocairo/src/auto/font_map.rs
@@ -25,12 +25,7 @@ impl FontMap {
     }
 }
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FontMap>> Sealed for T {}
-}
-
-pub trait PangoCairoFontMapExt: IsA<FontMap> + sealed::Sealed + 'static {
+pub trait PangoCairoFontMapExt: IsA<FontMap> + 'static {
     #[doc(alias = "pango_cairo_font_map_get_resolution")]
     #[doc(alias = "get_resolution")]
     fn resolution(&self) -> f64 {
diff --git a/pangocairo/src/auto/versions.txt b/pangocairo/src/auto/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/pangocairo/src/auto/versions.txt
+++ b/pangocairo/src/auto/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)
diff --git a/pangocairo/src/font_map.rs b/pangocairo/src/font_map.rs
index ce3c06c63635..3338fd49b841 100644
--- a/pangocairo/src/font_map.rs
+++ b/pangocairo/src/font_map.rs
@@ -4,12 +4,7 @@ use glib::{prelude::*, translate::*};
 
 use crate::{ffi, FontMap};
 
-mod sealed {
-    pub trait Sealed {}
-    impl<T: super::IsA<super::FontMap>> Sealed for T {}
-}
-
-pub trait PangoCairoFontMapExtManual: sealed::Sealed + IsA<FontMap> + 'static {
+pub trait PangoCairoFontMapExtManual: IsA<FontMap> + 'static {
     #[doc(alias = "pango_cairo_font_map_get_font_type")]
     #[doc(alias = "get_font_type")]
     fn font_type(&self) -> cairo::FontType {
diff --git a/pangocairo/sys/versions.txt b/pangocairo/sys/versions.txt
index 4dfc7ef11610..445f598fc16a 100644
--- a/pangocairo/sys/versions.txt
+++ b/pangocairo/sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ a11b11f2e403)
+Generated by gir (https://github.com/gtk-rs/gir @ eff839d4745d)
 from gir-files (https://github.com/gtk-rs/gir-files @ 4d1189172a70)