diff --git a/Classes/PhoneMainView.m b/Classes/PhoneMainView.m
index 7a54ed38a..42e992a8b 100644
--- a/Classes/PhoneMainView.m
+++ b/Classes/PhoneMainView.m
@@ -202,6 +202,7 @@ static RootViewManager *rootViewManagerInstance = nil;
 - (void)viewWillDisappear:(BOOL)animated {
 	[super viewWillDisappear:animated];
 	[NSNotificationCenter.defaultCenter removeObserver:self];
+	[NSNotificationCenter.defaultCenter removeObserver:self name:UIDeviceBatteryLevelDidChangeNotification object:nil];
 	[[UIDevice currentDevice] setBatteryMonitoringEnabled:NO];
 }
 
diff --git a/Classes/Utils/InAppSettingsKit/Controllers/IASKAppSettingsViewController.m b/Classes/Utils/InAppSettingsKit/Controllers/IASKAppSettingsViewController.m
index 9fe942583..ec99769a9 100755
--- a/Classes/Utils/InAppSettingsKit/Controllers/IASKAppSettingsViewController.m
+++ b/Classes/Utils/InAppSettingsKit/Controllers/IASKAppSettingsViewController.m
@@ -234,6 +234,7 @@ CGRect IASKCGRectSwap(CGRect rect);
 
 - (void)viewDidDisappear:(BOOL)animated {
 	[[NSNotificationCenter defaultCenter] removeObserver:self];
+	[[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillTerminateNotification object:[UIApplication sharedApplication]];
 
     // hide the keyboard
     [self.currentFirstResponder resignFirstResponder];