diff --git a/blackbox/Functions.py b/blackbox/Functions.py
index cdb65d3..4504cd1 100644
--- a/blackbox/Functions.py
+++ b/blackbox/Functions.py
@@ -1931,3 +1931,12 @@ def show_in_app_notification(self, message, err):
         )
     self.notification_revealer.set_reveal_child(True)
     self.timeout_id = GLib.timeout_add(3000, timeout, self)
+
+def timeout(self):
+    close_in_app_notification(self)
+
+
+def close_in_app_notification(self):
+    self.notification_revealer.set_reveal_child(False)
+    GLib.source_remove(self.timeout_id)
+    self.timeout_id = None