diff --git a/demos/django-todolist/lib/powersync.dart b/demos/django-todolist/lib/powersync.dart
index bc6ecbb1..e28fc06d 100644
--- a/demos/django-todolist/lib/powersync.dart
+++ b/demos/django-todolist/lib/powersync.dart
@@ -25,9 +25,7 @@ final List<RegExp> fatalResponseCodes = [
 ];
 
 class DjangoConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
-  DjangoConnector(this.db);
+  DjangoConnector();
 
   final ApiClient apiClient = ApiClient(AppConfig.djangoUrl);
 
@@ -123,7 +121,7 @@ Future<void> openDatabase() async {
   if (await isLoggedIn()) {
     // If the user is already logged in, connect immediately.
     // Otherwise, connect once logged in.
-    currentConnector = DjangoConnector(db);
+    currentConnector = DjangoConnector();
     db.connect(connector: currentConnector);
   }
 }
diff --git a/demos/supabase-anonymous-auth/lib/powersync.dart b/demos/supabase-anonymous-auth/lib/powersync.dart
index 0a3730ee..597b5df5 100644
--- a/demos/supabase-anonymous-auth/lib/powersync.dart
+++ b/demos/supabase-anonymous-auth/lib/powersync.dart
@@ -27,12 +27,10 @@ final List<RegExp> fatalResponseCodes = [
 
 /// Use Supabase for authentication and data upload.
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
   // ignore: unused_field
   Future<void>? _refreshFuture;
 
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   /// Get a Supabase token to authenticate against the PowerSync instance.
   @override
@@ -152,5 +150,5 @@ Future<void> openDatabase() async {
 
   await loadSupabase();
 
-  db.connect(connector: SupabaseConnector(db));
+  db.connect(connector: SupabaseConnector());
 }
diff --git a/demos/supabase-edge-function-auth/lib/powersync.dart b/demos/supabase-edge-function-auth/lib/powersync.dart
index bc291497..28ffde52 100644
--- a/demos/supabase-edge-function-auth/lib/powersync.dart
+++ b/demos/supabase-edge-function-auth/lib/powersync.dart
@@ -26,12 +26,10 @@ final List<RegExp> fatalResponseCodes = [
 
 /// Use Supabase for authentication and data upload.
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
   // ignore: unused_field
   Future<void>? _refreshFuture;
 
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   /// Get a Supabase token to authenticate against the PowerSync instance.
   @override
@@ -160,7 +158,7 @@ Future<void> openDatabase() async {
   if (isLoggedIn()) {
     // If the user is already logged in, connect immediately.
     // Otherwise, connect once logged in.
-    currentConnector = SupabaseConnector(db);
+    currentConnector = SupabaseConnector();
     db.connect(connector: currentConnector);
   }
 
@@ -168,7 +166,7 @@ Future<void> openDatabase() async {
     final AuthChangeEvent event = data.event;
     if (event == AuthChangeEvent.signedIn) {
       // Connect to PowerSync when the user is signed in
-      currentConnector = SupabaseConnector(db);
+      currentConnector = SupabaseConnector();
       db.connect(connector: currentConnector!);
     } else if (event == AuthChangeEvent.signedOut) {
       // Implicit sign out - disconnect, but don't delete data
diff --git a/demos/supabase-simple-chat/lib/powersync.dart b/demos/supabase-simple-chat/lib/powersync.dart
index e28a3270..83e15e26 100644
--- a/demos/supabase-simple-chat/lib/powersync.dart
+++ b/demos/supabase-simple-chat/lib/powersync.dart
@@ -47,14 +47,14 @@ Future<void> openDatabase() async {
   SupabaseConnector? currentConnector;
 
   if (isLoggedIn()) {
-    currentConnector = SupabaseConnector(db);
+    currentConnector = SupabaseConnector();
     db.connect(connector: currentConnector);
   }
 
   Supabase.instance.client.auth.onAuthStateChange.listen((data) async {
     final AuthChangeEvent event = data.event;
     if (event == AuthChangeEvent.signedIn) {
-      currentConnector = SupabaseConnector(db);
+      currentConnector = SupabaseConnector();
       db.connect(connector: currentConnector!);
     } else if (event == AuthChangeEvent.signedOut) {
       currentConnector = null;
@@ -66,8 +66,7 @@ Future<void> openDatabase() async {
 }
 
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   @override
   Future<void> uploadData(PowerSyncDatabase database) async {
diff --git a/demos/supabase-todolist-drift/lib/powersync.dart b/demos/supabase-todolist-drift/lib/powersync.dart
index 0be20bdc..71a16c8d 100644
--- a/demos/supabase-todolist-drift/lib/powersync.dart
+++ b/demos/supabase-todolist-drift/lib/powersync.dart
@@ -28,11 +28,9 @@ final List<RegExp> fatalResponseCodes = [
 
 /// Use Supabase for authentication and data upload.
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
   Future<void>? _refreshFuture;
 
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   /// Get a Supabase token to authenticate against the PowerSync instance.
   @override
@@ -172,7 +170,7 @@ Future<void> openDatabase() async {
   if (isLoggedIn()) {
     // If the user is already logged in, connect immediately.
     // Otherwise, connect once logged in.
-    currentConnector = SupabaseConnector(db);
+    currentConnector = SupabaseConnector();
     db.connect(connector: currentConnector);
   }
 
@@ -180,7 +178,7 @@ Future<void> openDatabase() async {
     final AuthChangeEvent event = data.event;
     if (event == AuthChangeEvent.signedIn) {
       // Connect to PowerSync when the user is signed in
-      currentConnector = SupabaseConnector(db);
+      currentConnector = SupabaseConnector();
       db.connect(connector: currentConnector!);
     } else if (event == AuthChangeEvent.signedOut) {
       // Implicit sign out - disconnect, but don't delete data
diff --git a/demos/supabase-todolist-optional-sync/lib/powersync.dart b/demos/supabase-todolist-optional-sync/lib/powersync.dart
index 9635aaca..49b2852f 100644
--- a/demos/supabase-todolist-optional-sync/lib/powersync.dart
+++ b/demos/supabase-todolist-optional-sync/lib/powersync.dart
@@ -27,11 +27,9 @@ final List<RegExp> fatalResponseCodes = [
 
 /// Use Supabase for authentication and data upload.
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
   Future<void>? _refreshFuture;
 
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   /// Get a Supabase token to authenticate against the PowerSync instance.
   @override
@@ -189,7 +187,7 @@ Future<void> connectDatabase() async {
     await switchToSyncedSchema(db, getUserId());
   }
 
-  currentConnector = SupabaseConnector(db);
+  currentConnector = SupabaseConnector();
   await db.connect(connector: currentConnector);
 
   Supabase.instance.client.auth.onAuthStateChange.listen((data) async {
diff --git a/demos/supabase-todolist-optional-sync/web_old/favicon.png b/demos/supabase-todolist-optional-sync/web_old/favicon.png
deleted file mode 100644
index 8aaa46ac..00000000
Binary files a/demos/supabase-todolist-optional-sync/web_old/favicon.png and /dev/null differ
diff --git a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-192.png b/demos/supabase-todolist-optional-sync/web_old/icons/Icon-192.png
deleted file mode 100644
index b749bfef..00000000
Binary files a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-192.png and /dev/null differ
diff --git a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-512.png b/demos/supabase-todolist-optional-sync/web_old/icons/Icon-512.png
deleted file mode 100644
index 88cfd48d..00000000
Binary files a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-512.png and /dev/null differ
diff --git a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-192.png b/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-192.png
deleted file mode 100644
index eb9b4d76..00000000
Binary files a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-192.png and /dev/null differ
diff --git a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-512.png b/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-512.png
deleted file mode 100644
index d69c5669..00000000
Binary files a/demos/supabase-todolist-optional-sync/web_old/icons/Icon-maskable-512.png and /dev/null differ
diff --git a/demos/supabase-todolist-optional-sync/web_old/index.html b/demos/supabase-todolist-optional-sync/web_old/index.html
deleted file mode 100644
index ba9114df..00000000
--- a/demos/supabase-todolist-optional-sync/web_old/index.html
+++ /dev/null
@@ -1,59 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <!--
-    If you are serving your web app in a path other than the root, change the
-    href value below to reflect the base path you are serving from.
-
-    The path provided below has to start and end with a slash "/" in order for
-    it to work correctly.
-
-    For more details:
-    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
-
-    This is a placeholder for base href that will be replaced by the value of
-    the `--base-href` argument provided to `flutter build`.
-  -->
-    <base href="$FLUTTER_BASE_HREF" />
-
-    <meta charset="UTF-8" />
-    <meta content="IE=Edge" http-equiv="X-UA-Compatible" />
-    <meta name="description" content="A new Flutter project." />
-
-    <!-- iOS meta tags & icons -->
-    <meta name="apple-mobile-web-app-capable" content="yes" />
-    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
-    <meta name="apple-mobile-web-app-title" content="local_only_todolist" />
-    <link rel="apple-touch-icon" href="icons/Icon-192.png" />
-
-    <!-- Favicon -->
-    <link rel="icon" type="image/png" href="favicon.png" />
-
-    <title>supabase_todolist_optional_sync</title>
-    <link rel="manifest" href="manifest.json" />
-
-    <script>
-      // The value below is injected by flutter build, do not touch.
-      const serviceWorkerVersion = null;
-    </script>
-    <!-- This script adds the flutter initialization JS code -->
-    <script src="flutter.js" defer></script>
-  </head>
-  <body>
-    <script>
-      window.addEventListener("load", function (ev) {
-        // Download main.dart.js
-        _flutter.loader.loadEntrypoint({
-          serviceWorker: {
-            serviceWorkerVersion: serviceWorkerVersion,
-          },
-          onEntrypointLoaded: function (engineInitializer) {
-            engineInitializer.initializeEngine().then(function (appRunner) {
-              appRunner.runApp();
-            });
-          },
-        });
-      });
-    </script>
-  </body>
-</html>
diff --git a/demos/supabase-todolist-optional-sync/web_old/manifest.json b/demos/supabase-todolist-optional-sync/web_old/manifest.json
deleted file mode 100644
index 45422223..00000000
--- a/demos/supabase-todolist-optional-sync/web_old/manifest.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "name": "supabase_todolist_optional_sync",
-  "short_name": "supabase_todolist_optional_sync",
-  "start_url": ".",
-  "display": "standalone",
-  "background_color": "#0175C2",
-  "theme_color": "#0175C2",
-  "description": "A new Flutter project.",
-  "orientation": "portrait-primary",
-  "prefer_related_applications": false,
-  "icons": [
-    {
-      "src": "icons/Icon-192.png",
-      "sizes": "192x192",
-      "type": "image/png"
-    },
-    {
-      "src": "icons/Icon-512.png",
-      "sizes": "512x512",
-      "type": "image/png"
-    },
-    {
-      "src": "icons/Icon-maskable-192.png",
-      "sizes": "192x192",
-      "type": "image/png",
-      "purpose": "maskable"
-    },
-    {
-      "src": "icons/Icon-maskable-512.png",
-      "sizes": "512x512",
-      "type": "image/png",
-      "purpose": "maskable"
-    }
-  ]
-}
diff --git a/demos/supabase-todolist/lib/powersync.dart b/demos/supabase-todolist/lib/powersync.dart
index 10c5966a..166de1b3 100644
--- a/demos/supabase-todolist/lib/powersync.dart
+++ b/demos/supabase-todolist/lib/powersync.dart
@@ -27,11 +27,9 @@ final List<RegExp> fatalResponseCodes = [
 
 /// Use Supabase for authentication and data upload.
 class SupabaseConnector extends PowerSyncBackendConnector {
-  PowerSyncDatabase db;
-
   Future<void>? _refreshFuture;
 
-  SupabaseConnector(this.db);
+  SupabaseConnector();
 
   /// Get a Supabase token to authenticate against the PowerSync instance.
   @override
@@ -168,7 +166,7 @@ Future<void> openDatabase() async {
   if (isLoggedIn()) {
     // If the user is already logged in, connect immediately.
     // Otherwise, connect once logged in.
-    currentConnector = SupabaseConnector(db);
+    currentConnector = SupabaseConnector();
     db.connect(connector: currentConnector);
   }
 
@@ -176,7 +174,7 @@ Future<void> openDatabase() async {
     final AuthChangeEvent event = data.event;
     if (event == AuthChangeEvent.signedIn) {
       // Connect to PowerSync when the user is signed in
-      currentConnector = SupabaseConnector(db);
+      currentConnector = SupabaseConnector();
       db.connect(connector: currentConnector!);
     } else if (event == AuthChangeEvent.signedOut) {
       // Implicit sign out - disconnect, but don't delete data