diff --git a/packages/cloud_functions/lib/src/cloud_functions.dart b/packages/cloud_functions/lib/src/cloud_functions.dart
index 7d21e16f7f38..d15db7b49a1f 100644
--- a/packages/cloud_functions/lib/src/cloud_functions.dart
+++ b/packages/cloud_functions/lib/src/cloud_functions.dart
@@ -16,10 +16,9 @@ class CloudFunctionsException implements Exception {
 ///
 /// You can get an instance by calling [CloudFunctions.instance].
 class CloudFunctions {
-  CloudFunctions({FirebaseApp app, String region, String origin})
+  CloudFunctions({FirebaseApp app, String region})
       : _app = app ?? FirebaseApp.instance,
-        _region = region,
-        _origin = origin;
+        _region = region;
 
   @visibleForTesting
   static const MethodChannel channel = MethodChannel('cloud_functions');