diff --git a/Lib/asyncio/test_utils.py b/Lib/asyncio/test_utils.py
index 131a546080b..4c658da37bd 100644
--- a/Lib/asyncio/test_utils.py
+++ b/Lib/asyncio/test_utils.py
@@ -3,7 +3,6 @@
 import collections
 import contextlib
 import io
-import unittest.mock
 import os
 import sys
 import threading