diff --git a/lib/pages/chat/chat.dart b/lib/pages/chat/chat.dart
index 3deee3883..1404666ba 100644
--- a/lib/pages/chat/chat.dart
+++ b/lib/pages/chat/chat.dart
@@ -14,7 +14,6 @@ import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:matrix/matrix.dart';
 import 'package:scroll_to_index/scroll_to_index.dart';
-import 'package:universal_html/html.dart' as html;
 
 import 'package:fluffychat/config/setting_keys.dart';
 import 'package:fluffychat/config/themes.dart';
@@ -112,7 +111,6 @@ class ChatController extends State<ChatPageWithRoom>
   final AutoScrollController scrollController = AutoScrollController();
 
   late final FocusNode inputFocus;
-  StreamSubscription<html.Event>? onFocusSub;
 
   Timer? typingCoolDown;
   Timer? typingTimeout;
@@ -372,9 +370,6 @@ class ChatController extends State<ChatPageWithRoom>
         : '';
     WidgetsBinding.instance.addObserver(this);
     _tryLoadTimeline();
-    if (kIsWeb) {
-      onFocusSub = html.window.onFocus.listen((_) => setReadMarker());
-    }
   }
 
   final Set<String> expandedEventIds = {};
@@ -557,7 +552,6 @@ class ChatController extends State<ChatPageWithRoom>
     timeline?.cancelSubscriptions();
     timeline = null;
     inputFocus.removeListener(_inputFocusListener);
-    onFocusSub?.cancel();
     super.dispose();
   }
 
diff --git a/lib/widgets/matrix.dart b/lib/widgets/matrix.dart
index bec319de8..dbbee270e 100644
--- a/lib/widgets/matrix.dart
+++ b/lib/widgets/matrix.dart
@@ -181,8 +181,6 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
   final onNotification = <String, StreamSubscription>{};
   final onLoginStateChanged = <String, StreamSubscription<LoginState>>{};
   final onUiaRequest = <String, StreamSubscription<UiaRequest>>{};
-  StreamSubscription<html.Event>? onFocusSub;
-  StreamSubscription<html.Event>? onBlurSub;
 
   String? _cachedPassword;
   Timer? _cachedPasswordClearTimer;
@@ -313,11 +311,6 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
       _registerSubs(c.clientName);
     }
 
-    if (kIsWeb) {
-      onFocusSub = html.window.onFocus.listen((_) => webHasFocus = true);
-      onBlurSub = html.window.onBlur.listen((_) => webHasFocus = false);
-    }
-
     if (PlatformInfos.isMobile) {
       backgroundPush = BackgroundPush(
         this,
@@ -387,8 +380,6 @@ class MatrixState extends State<Matrix> with WidgetsBindingObserver {
     onLoginStateChanged.values.map((s) => s.cancel());
     onNotification.values.map((s) => s.cancel());
     client.httpClient.close();
-    onFocusSub?.cancel();
-    onBlurSub?.cancel();
 
     linuxNotifications?.close();