diff --git a/gotify_tray/gui/MainApplication.py b/gotify_tray/gui/MainApplication.py
index 19eba73..1449b49 100644
--- a/gotify_tray/gui/MainApplication.py
+++ b/gotify_tray/gui/MainApplication.py
@@ -8,8 +8,9 @@ from typing import List, Union
 
 from gotify_tray import gotify
 from gotify_tray.__version__ import __title__
-from gotify_tray.database import Cache, Downloader, Settings
+from gotify_tray.database import Downloader, Settings
 from gotify_tray.tasks import (
+    ClearCacheTask,
     DeleteApplicationMessagesTask,
     DeleteAllMessagesTask,
     DeleteMessageTask,
@@ -332,6 +333,9 @@ class MainApplication(QtWidgets.QApplication):
             )
             self.delete_application_messages_task.start()
         elif isinstance(item, ApplicationAllMessagesItem):
+            self.clear_cache_task = ClearCacheTask()        
+            self.clear_cache_task.start()
+        
             self.delete_all_messages_task = DeleteAllMessagesTask(self.gotify_client)
             self.delete_all_messages_task.start()
         else:
diff --git a/gotify_tray/gui/widgets/SettingsDialog.py b/gotify_tray/gui/widgets/SettingsDialog.py
index c37171f..97a005c 100644
--- a/gotify_tray/gui/widgets/SettingsDialog.py
+++ b/gotify_tray/gui/widgets/SettingsDialog.py
@@ -7,7 +7,12 @@ from gotify_tray.gotify import GotifyMessageModel
 from gotify_tray.gui.models import MessagesModelItem
 from . import MessageWidget
 from gotify_tray.utils import get_icon, verify_server, open_file
-from gotify_tray.tasks import ExportSettingsTask, ImportSettingsTask, CacheSizeTask, ClearCacheTask
+from gotify_tray.tasks import (
+    ExportSettingsTask,
+    ImportSettingsTask,
+    CacheSizeTask,
+    ClearCacheTask,
+)
 from gotify_tray.gui.themes import get_themes
 from PyQt6 import QtCore, QtGui, QtWidgets
 
@@ -188,7 +193,7 @@ class SettingsDialog(QtWidgets.QDialog, Ui_Dialog):
             self.quit_requested.emit()
 
     def clear_cache_callback(self):
-        self.clear_cache_task = ClearCacheTask()        
+        self.clear_cache_task = ClearCacheTask()
         self.clear_cache_task.start()
         self.label_cache.setText("0 MB")