diff --git a/android/src/main/java/io/invertase/firebase/config/RNFirebaseRemoteConfig.java b/android/src/main/java/io/invertase/firebase/config/RNFirebaseRemoteConfig.java
index 465f3508..4e1c5c09 100644
--- a/android/src/main/java/io/invertase/firebase/config/RNFirebaseRemoteConfig.java
+++ b/android/src/main/java/io/invertase/firebase/config/RNFirebaseRemoteConfig.java
@@ -120,7 +120,7 @@ class RNFirebaseRemoteConfig extends ReactContextBaseJavaModule {
         @Override
         public void onComplete(@NonNull Task<Void> task) {
           if (task.isSuccessful()) {
-            promise.resolve("config/success");
+            promise.resolve(null);
           } else {
             if (task.getException() instanceof FirebaseRemoteConfigFetchThrottledException) {
               promise.reject("config/throttled", "fetch() operation cannot be completed successfully, due to throttling.", task.getException());
@@ -159,7 +159,6 @@ class RNFirebaseRemoteConfig extends ReactContextBaseJavaModule {
       map.putNull(NUMBER_VALUE);
     }
 
-    // TODO check with ios
     switch (value.getSource()) {
       case FirebaseRemoteConfig.VALUE_SOURCE_DEFAULT:
         map.putString(SOURCE, "default");
diff --git a/ios/RNFirebase/config/RNFirebaseRemoteConfig.m b/ios/RNFirebase/config/RNFirebaseRemoteConfig.m
index 03fd73c7..ecb7a849 100644
--- a/ios/RNFirebase/config/RNFirebaseRemoteConfig.m
+++ b/ios/RNFirebase/config/RNFirebaseRemoteConfig.m
@@ -61,7 +61,7 @@ RCT_EXPORT_METHOD(fetch:
         if (error) {
             reject(convertFIRRemoteConfigFetchStatusToNSString(status), convertFIRRemoteConfigFetchStatusToNSStringDescription(status), error);
         } else {
-            resolve(convertFIRRemoteConfigFetchStatusToNSString(status));
+            resolve(nil);
         }
     }];
 }
@@ -75,7 +75,7 @@ RCT_EXPORT_METHOD(fetchWithExpirationDuration:
         if (error) {
             reject(convertFIRRemoteConfigFetchStatusToNSString(status), convertFIRRemoteConfigFetchStatusToNSStringDescription(status), error);
         } else {
-            resolve(convertFIRRemoteConfigFetchStatusToNSString(status));
+            resolve(nil);
         }
     }];
 }