diff --git a/lib/utils/app_review.dart.foss b/lib/utils/app_review.dart.foss
index 713b9af7b..06697eb2a 100644
--- a/lib/utils/app_review.dart.foss
+++ b/lib/utils/app_review.dart.foss
@@ -7,6 +7,6 @@ class AppReview {
 
   static void requestReview() => null;
 
-  static void openStoreListing() =>
-      launch(getRateAppURL(navigatorKey.currentContext));
+  static void openStoreListing() => launchUrl(
+      Uri.dataFromString(getRateAppURL(navigatorKey.currentContext!)));
 }
diff --git a/lib/utils/oauth.dart.foss b/lib/utils/oauth.dart.foss
index 5fba624c8..ac91b1f04 100644
--- a/lib/utils/oauth.dart.foss
+++ b/lib/utils/oauth.dart.foss
@@ -1,17 +1,17 @@
 class GoogleOAuth {
-  
   static bool get isEnabled => false;
 
-  static Future<bool> signIn(Function(String, String) callback, {bool isSilent = false}) async {
-    //
+  static Future<bool> signIn(Function(String, String) callback,
+      {bool isSilent = false}) async {
+    return false;
   }
 
   static Future<bool> signUp(Function(String, String) callback) async {
-    //
+    return false;
   }
 
   static Future<bool> requestGmailScope() async {
-    //
+    return false;
   }
 
   /*
@@ -20,11 +20,11 @@ class GoogleOAuth {
   }
   */
 
-  static Future<GoogleSignInAccount?> signOut() async {
+  static Future<Null> signOut() async {
     //
   }
 
-  static Future<GoogleSignInAccount?> disconnect() async {
+  static Future<Null> disconnect() async {
     //
   }
-}
+}
\ No newline at end of file