diff --git a/packages/google_sign_in/google_sign_in_web/CHANGELOG.md b/packages/google_sign_in/google_sign_in_web/CHANGELOG.md
index 7f1e88be166f..1b1492b35c56 100644
--- a/packages/google_sign_in/google_sign_in_web/CHANGELOG.md
+++ b/packages/google_sign_in/google_sign_in_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.8.4
+
+* Remove all `fakeConstructor$` from the generated facade. JS interop classes do not support non-external constructors.
+
 ## 0.8.3+2
 
 * Make the pedantic dev_dependency explicit.
diff --git a/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapi.dart b/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapi.dart
index c64d93be223a..97ae9b48dc1b 100644
--- a/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapi.dart
+++ b/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapi.dart
@@ -346,10 +346,7 @@ abstract class HttpRequestRejected {
 /// HttpRequest supports promises.
 /// See Google API Client JavaScript Using Promises https://developers.google.com/api-client-library/javascript/features/promises
 @JS("gapi.client.HttpRequestPromise")
-class HttpRequestPromise<T> {
-  // @Ignore
-  HttpRequestPromise.fakeConstructor$();
-}
+class HttpRequestPromise<T> {}
 
 @JS("gapi.client.HttpRequestPromise")
 abstract class _HttpRequestPromise<T> {
@@ -374,9 +371,6 @@ extension HttpRequestPromiseExtensions<T> on HttpRequestPromise<T> {
 /// An object encapsulating an HTTP request. This object is not instantiated directly, rather it is returned by gapi.client.request.
 @JS("gapi.client.HttpRequest")
 class HttpRequest<T> extends HttpRequestPromise<T> {
-  // @Ignore
-  HttpRequest.fakeConstructor$() : super.fakeConstructor$();
-
   /// Executes the request and runs the supplied callback on response.
   external void execute(
       dynamic callback(
@@ -398,9 +392,6 @@ class HttpRequest<T> extends HttpRequestPromise<T> {
 /// Represents an HTTP Batch operation. Individual HTTP requests are added with the add method and the batch is executed using execute.
 @JS("gapi.client.HttpBatch")
 class HttpBatch {
-  // @Ignore
-  HttpBatch.fakeConstructor$();
-
   /// Adds a gapi.client.HttpRequest to the batch.
   external void add(HttpRequest<dynamic> httpRequest,
       [dynamic
@@ -436,9 +427,6 @@ class HttpBatch {
 /// Similar to gapi.client.HttpRequest except this object encapsulates requests generated by registered methods.
 @JS("gapi.client.RpcRequest")
 class RpcRequest {
-  // @Ignore
-  RpcRequest.fakeConstructor$();
-
   /// Executes the request and runs the supplied callback with the response.
   external void callback(
       void callback(
diff --git a/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapiauth2.dart b/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapiauth2.dart
index 5071f93e6e30..e05bedf3af1e 100644
--- a/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapiauth2.dart
+++ b/packages/google_sign_in/google_sign_in_web/lib/src/generated/gapiauth2.dart
@@ -22,8 +22,6 @@ import "package:js/js_util.dart" show promiseToFuture;
 /// request additional scopes, and sign out from the current account.
 @JS("gapi.auth2.GoogleAuth")
 class GoogleAuth {
-  // @Ignore
-  GoogleAuth.fakeConstructor$();
   external IsSignedIn get isSignedIn;
   external set isSignedIn(IsSignedIn v);
   external CurrentUser get currentUser;
@@ -212,8 +210,6 @@ abstract class ClientConfig {
 
 @JS("gapi.auth2.SigninOptionsBuilder")
 class SigninOptionsBuilder {
-  // @Ignore
-  SigninOptionsBuilder.fakeConstructor$();
   external dynamic setAppPackageName(String name);
   external dynamic setFetchBasicProfile(bool fetch);
   external dynamic setPrompt(String prompt);
diff --git a/packages/google_sign_in/google_sign_in_web/pubspec.yaml b/packages/google_sign_in/google_sign_in_web/pubspec.yaml
index 91a002bd6ad2..574cd95f3cca 100644
--- a/packages/google_sign_in/google_sign_in_web/pubspec.yaml
+++ b/packages/google_sign_in/google_sign_in_web/pubspec.yaml
@@ -2,7 +2,7 @@ name: google_sign_in_web
 description: Flutter plugin for Google Sign-In, a secure authentication system
   for signing in with a Google account on Android, iOS and Web.
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_sign_in/google_sign_in_web
-version: 0.8.3+2
+version: 0.8.4
 
 flutter:
   plugin: