diff --git a/lib/app.dart b/lib/app.dart
index 07d46cb..9bff71b 100644
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -14,6 +14,7 @@ import 'api/mhsl/server/userIndex/update/updateUserindex.dart';
 import 'model/breakers/Breaker.dart';
 import 'model/breakers/BreakerProps.dart';
 import 'model/chatList/chatListProps.dart';
+import 'model/dataCleaner.dart';
 import 'model/timetable/timetableProps.dart';
 import 'notification/notificationController.dart';
 import 'notification/notificationTasks.dart';
@@ -87,6 +88,8 @@ class _AppState extends State<App> with WidgetsBindingObserver {
     FirebaseMessaging.onMessageOpenedApp.listen((message) => NotificationController.onAppOpenedByNotification(message, context));
     FirebaseMessaging.instance.getInitialMessage().then((message) => message == null ? null : NotificationController.onAppOpenedByNotification(message, context));
 
+    DataCleaner.cleanOldCache();
+
     super.initState();
   }
 
diff --git a/lib/model/dataCleaner.dart b/lib/model/dataCleaner.dart
new file mode 100644
index 0000000..5e6a3ce
--- /dev/null
+++ b/lib/model/dataCleaner.dart
@@ -0,0 +1,15 @@
+import 'package:localstore/localstore.dart';
+
+import '../widget/debug/cacheView.dart';
+
+class DataCleaner {
+  static void cleanOldCache() async {
+    var cacheData = await Localstore.instance.collection(CacheView.collection).get();
+    cacheData?.forEach((key, value) async {
+      DateTime lastUpdate = DateTime.fromMillisecondsSinceEpoch(value['lastupdate']);
+      if(DateTime.now().subtract(const Duration(days: 200)).isAfter(lastUpdate)) {
+        await Localstore.instance.collection(CacheView.collection).doc(key.split('/').last).delete();
+      }
+    });
+  }
+}
\ No newline at end of file
diff --git a/lib/widget/debug/cacheView.dart b/lib/widget/debug/cacheView.dart
index c639645..caa34aa 100644
--- a/lib/widget/debug/cacheView.dart
+++ b/lib/widget/debug/cacheView.dart
@@ -11,7 +11,7 @@ import '../../../widget/placeholderView.dart';
 import 'jsonViewer.dart';
 
 class CacheView extends StatefulWidget {
-  final collection = 'MarianumMobile';
+  static String collection = 'MarianumMobile';
   const CacheView({super.key});
 
   @override
@@ -34,7 +34,7 @@ class _CacheViewState extends State<CacheView> {
 
   @override
   void initState() {
-    files = Localstore.instance.collection(widget.collection).get();
+    files = Localstore.instance.collection(CacheView.collection).get();
     super.initState();
   }