diff --git a/plugin.xml b/plugin.xml
index a563f3253..40479471b 100755
--- a/plugin.xml
+++ b/plugin.xml
@@ -27,12 +27,12 @@
       <activity android:name="com.adobe.phonegap.push.PushHandlerActivity" android:exported="true" android:permission="${applicationId}.permission.PushHandlerActivity"/>
       <receiver android:name="com.adobe.phonegap.push.BackgroundActionButtonHandler"/>
       <receiver android:name="com.adobe.phonegap.push.PushDismissedHandler"/>
-      <service android:name="com.adobe.phonegap.push.FCMService">
+      <service android:name="com.adobe.phonegap.push.FCMService" android:exported="false">
         <intent-filter>
           <action android:name="com.google.firebase.MESSAGING_EVENT"/>
         </intent-filter>
       </service>
-      <service android:name="com.adobe.phonegap.push.PushInstanceIDListenerService">
+      <service android:name="com.adobe.phonegap.push.PushInstanceIDListenerService" android:exported="false">
         <intent-filter>
           <action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
         </intent-filter>
diff --git a/src/ios/PushPlugin.m b/src/ios/PushPlugin.m
index 8649622e6..b8c9ca6da 100644
--- a/src/ios/PushPlugin.m
+++ b/src/ios/PushPlugin.m
@@ -119,6 +119,15 @@ - (void)unregister:(CDVInvokedUrlCommand*)command;
             NSLog(@"unsubscribe from topic: %@", topic);
             [pubSub unsubscribeFromTopic:topic];
         }
+    } else if ([self usesFCM]){
+        [[FIRInstanceID instanceID] deleteIDWithHandler:^void(NSError *_Nullable error){
+            if (error) {
+                [self failWithMessage:command.callbackId withMsg:@"" withError:error];
+            } else {
+                [[UIApplication sharedApplication] unregisterForRemoteNotifications];
+                [self successWithMessage:command.callbackId withMsg:@"unregistered"];
+            }
+        }];
     } else {
         [[UIApplication sharedApplication] unregisterForRemoteNotifications];
         [self successWithMessage:command.callbackId withMsg:@"unregistered"];