diff --git a/google/cloud/storage/_experimental/asyncio/async_grpc_client.py b/google/cloud/storage/_experimental/asyncio/async_grpc_client.py
index e6546908d..75e6f63d2 100644
--- a/google/cloud/storage/_experimental/asyncio/async_grpc_client.py
+++ b/google/cloud/storage/_experimental/asyncio/async_grpc_client.py
@@ -69,7 +69,6 @@ def _create_async_grpc_client(
         transport = transport_cls(credentials=credentials, channel=channel)
 
         return storage_v2.StorageAsyncClient(
-            credentials=credentials,
             transport=transport,
             client_info=client_info,
             client_options=client_options,
diff --git a/tests/unit/asyncio/test_async_grpc_client.py b/tests/unit/asyncio/test_async_grpc_client.py
index 250d85522..0e2bf9b50 100644
--- a/tests/unit/asyncio/test_async_grpc_client.py
+++ b/tests/unit/asyncio/test_async_grpc_client.py
@@ -46,7 +46,6 @@ def test_constructor_default_options(self, mock_async_storage_client):
         )
         mock_transport = mock_transport_cls.return_value
         mock_async_storage_client.assert_called_once_with(
-            credentials=mock_creds,
             transport=mock_transport,
             client_options=None,
             client_info=None,