diff --git a/messaging/firebase-messaging-sw.js b/messaging/firebase-messaging-sw.js
index 09ee4fc51..4765f1e61 100644
--- a/messaging/firebase-messaging-sw.js
+++ b/messaging/firebase-messaging-sw.js
@@ -1,42 +1,28 @@
 // Import and configure the Firebase SDK
-// These scripts are made available when the app is served or deployed on Firebase Hosting
-// If you do not serve/host your project using Firebase Hosting see https://firebase.google.com/docs/web/setup
-importScripts('/__/firebase/9.2.0/firebase-app-compat.js');
-importScripts('/__/firebase/9.2.0/firebase-messaging-compat.js');
-importScripts('/__/firebase/init.js');
-
+// Give the service worker access to Firebase Messaging
+// Note that you can only use Firebase Messaging here. Other Firebase libraries
+// are not available in the service worker.
+importScripts('https://www.gstatic.com/firebasejs/9.2.0/firebase-app-compat.js');
+importScripts('https://www.gstatic.com/firebasejs/9.2.0/firebase-messaging-compat.js');
+
+// Initialize the Firebase app in the service worker by passing in
+// your app's Firebase config object.
+// https://firebase.google.com/docs/web/setup#config-object
+// firebase.initializeApp({
+//   apiKey: 'api-key',
+//   authDomain: 'project-id.firebaseapp.com',
+//   databaseURL: 'https://project-id.firebaseio.com',
+//   projectId: 'project-id',
+//   storageBucket: 'project-id.appspot.com',
+//   messagingSenderId: 'sender-id',
+//   appId: 'app-id',
+//   measurementId: 'G-measurement-id',
+// });
+
+// Retrieve an instance of Firebase Messaging so that it can handle background
+// messages.
 const messaging = firebase.messaging();
 
-/**
- * Here is is the code snippet to initialize Firebase Messaging in the Service
- * Worker when your app is not hosted on Firebase Hosting.
-
- // Give the service worker access to Firebase Messaging.
- // Note that you can only use Firebase Messaging here. Other Firebase libraries
- // are not available in the service worker.
- importScripts('https://www.gstatic.com/firebasejs/9.2.0/firebase-app-compat.js');
- importScripts('https://www.gstatic.com/firebasejs/9.2.0/firebase-messaging-compat.js');
-
- // Initialize the Firebase app in the service worker by passing in
- // your app's Firebase config object.
- // https://firebase.google.com/docs/web/setup#config-object
- firebase.initializeApp({
-   apiKey: 'api-key',
-   authDomain: 'project-id.firebaseapp.com',
-   databaseURL: 'https://project-id.firebaseio.com',
-   projectId: 'project-id',
-   storageBucket: 'project-id.appspot.com',
-   messagingSenderId: 'sender-id',
-   appId: 'app-id',
-   measurementId: 'G-measurement-id',
- });
-
- // Retrieve an instance of Firebase Messaging so that it can handle background
- // messages.
- const messaging = firebase.messaging();
- **/
-
-
 // If you would like to customize notifications that are received in the
 // background (Web app is closed or not in browser focus) then you should
 // implement this optional method.