diff --git a/packages/firebase_core/firebase_core/example/lib/main.dart b/packages/firebase_core/firebase_core/example/lib/main.dart
index f4e5ed47ca23..08d457bfbc85 100644
--- a/packages/firebase_core/firebase_core/example/lib/main.dart
+++ b/packages/firebase_core/firebase_core/example/lib/main.dart
@@ -36,7 +36,6 @@ class MyApp extends StatelessWidget {
     FirebaseApp app =
         await Firebase.initializeApp(name: name, options: firebaseOptions);
 
-    assert(app != null);
     print('Initialized $app');
   }
 
diff --git a/packages/firebase_remote_config/firebase_remote_config/example/test_driver/firebase_remote_config_e2e.dart b/packages/firebase_remote_config/firebase_remote_config/example/test_driver/firebase_remote_config_e2e.dart
index bd133e97ddc6..7d5b4d8dfffb 100644
--- a/packages/firebase_remote_config/firebase_remote_config/example/test_driver/firebase_remote_config_e2e.dart
+++ b/packages/firebase_remote_config/firebase_remote_config/example/test_driver/firebase_remote_config_e2e.dart
@@ -67,8 +67,9 @@ void testsMain() {
       );
       await remoteConfig.setConfigSettings(
         RemoteConfigSettings(
-            fetchTimeout: const Duration(seconds: 10),
-            minimumFetchInterval: Duration.zero),
+          fetchTimeout: const Duration(seconds: 10),
+          minimumFetchInterval: Duration.zero,
+        ),
       );
       expect(remoteConfig.settings.fetchTimeout, const Duration(seconds: 10));
       expect(remoteConfig.settings.minimumFetchInterval, Duration.zero);
diff --git a/packages/firebase_storage/firebase_storage/example/lib/main.dart b/packages/firebase_storage/firebase_storage/example/lib/main.dart
index cf83a2c94d9b..be8bd49198a4 100755
--- a/packages/firebase_storage/firebase_storage/example/lib/main.dart
+++ b/packages/firebase_storage/firebase_storage/example/lib/main.dart
@@ -151,7 +151,7 @@ class _TaskManager extends State<TaskManager> {
   Future<void> _downloadBytes(firebase_storage.Reference ref) async {
     final bytes = await ref.getData();
     // Download...
-    await saveAsBytes(bytes, 'some-image.jpg');
+    await saveAsBytes(bytes!, 'some-image.jpg');
   }
 
   Future<void> _downloadLink(firebase_storage.Reference ref) async {
diff --git a/packages/firebase_storage/firebase_storage/example/lib/save_as/save_as_interface.dart b/packages/firebase_storage/firebase_storage/example/lib/save_as/save_as_interface.dart
index faa466b76995..a6b858bb2ab1 100644
--- a/packages/firebase_storage/firebase_storage/example/lib/save_as/save_as_interface.dart
+++ b/packages/firebase_storage/firebase_storage/example/lib/save_as/save_as_interface.dart
@@ -1,6 +1,6 @@
 import 'dart:typed_data';
 
 /// Present a dialog so the user can save as... a bunch of bytes.
-Future<void> saveAsBytes(Uint8List? bytes, String suggestedName) async {
+Future<void> saveAsBytes(Uint8List bytes, String suggestedName) async {
   return;
 }