forward port r66386
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index f26e7bb..956672d 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -1,7 +1,7 @@
 # Very rudimentary test of threading module
 
 import test.support
-from test.support import verbose, catch_warning
+from test.support import verbose
 import random
 import re
 import sys