diff --git a/python-client/wmill/wmill/client.py b/python-client/wmill/wmill/client.py
index bc29eb2697..e1f16765ff 100644
--- a/python-client/wmill/wmill/client.py
+++ b/python-client/wmill/wmill/client.py
@@ -8,7 +8,6 @@ import logging
 import os
 import random
 import time
-from typing_extensions import Optional
 import warnings
 import json
 from json import JSONDecodeError