diff --git a/ios/RNFirebase/RNFirebaseMessaging.m b/ios/RNFirebase/RNFirebaseMessaging.m
index f027cfb0..bc8800c8 100644
--- a/ios/RNFirebase/RNFirebaseMessaging.m
+++ b/ios/RNFirebase/RNFirebaseMessaging.m
@@ -296,7 +296,7 @@ RCT_EXPORT_METHOD(requestPermissions:(RCTPromiseResolveBlock)resolve rejecter:(R
 #endif
     }
 
-    [[UIApplication sharedApplication] registerForRemoteNotifications];
+    [RCTSharedApplication() registerForRemoteNotifications];
 }
 
 RCT_EXPORT_METHOD(subscribeToTopic: (NSString*) topic)
@@ -380,10 +380,10 @@ RCT_EXPORT_METHOD(cancelLocalNotification:(NSString*) notificationId)
     if([UNUserNotificationCenter currentNotificationCenter] != nil){
         [[UNUserNotificationCenter currentNotificationCenter] removePendingNotificationRequestsWithIdentifiers:@[notificationId]];
     }else {
-        for (UILocalNotification *notification in [UIApplication sharedApplication].scheduledLocalNotifications) {
+        for (UILocalNotification *notification in RCTSharedApplication().scheduledLocalNotifications) {
             NSDictionary<NSString *, id> *notificationInfo = notification.userInfo;
             if([notificationId isEqualToString:[notificationInfo valueForKey:@"id"]]){
-                [[UIApplication sharedApplication] cancelLocalNotification:notification];
+                [RCTSharedApplication() cancelLocalNotification:notification];
             }
         }
     }
diff --git a/tests/ios/ReactNativeFirebaseDemoTests/ReactNativeFirebaseDemoTests.m b/tests/ios/ReactNativeFirebaseDemoTests/ReactNativeFirebaseDemoTests.m
index fd9d570c..7b97a0b5 100644
--- a/tests/ios/ReactNativeFirebaseDemoTests/ReactNativeFirebaseDemoTests.m
+++ b/tests/ios/ReactNativeFirebaseDemoTests/ReactNativeFirebaseDemoTests.m
@@ -37,7 +37,7 @@
 
 - (void)testRendersWelcomeScreen
 {
-  UIViewController *vc = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
+  UIViewController *vc = [[[RCTSharedApplication() delegate] window] rootViewController];
   NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
   BOOL foundElement = NO;