diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index 35893ad953d1a..7abe305854595 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -2425,6 +2425,7 @@ impl<'tcx, T: 'tcx + ?Sized> IntoPointer for InternedInSet<'tcx, T> {
 
 #[allow(rustc::usage_of_ty_tykind)]
 impl<'tcx, T> Borrow<T> for InternedInSet<'tcx, WithCachedTypeInfo<T>> {
+    #[inline]
     fn borrow(&self) -> &T {
         &self.0.internee
     }
diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs
index a1d44882e63f3..b9b4b29cb95ac 100644
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -440,10 +440,11 @@ impl<'tcx> rustc_type_ir::inherent::IntoKind for Ty<'tcx> {
 }
 
 impl<'tcx> rustc_type_ir::visit::Flags for Ty<'tcx> {
+    #[inline]
     fn flags(&self) -> TypeFlags {
         self.0.flags
     }
-
+    #[inline]
     fn outer_exclusive_binder(&self) -> DebruijnIndex {
         self.0.outer_exclusive_binder
     }