diff --git a/Lib/test/test_sort.py b/Lib/test/test_sort.py
index 1a069c2bcc0..9b31052949f 100644
--- a/Lib/test/test_sort.py
+++ b/Lib/test/test_sort.py
@@ -59,8 +59,6 @@ def __repr__(self):
         return "Complains(%d)" % self.i
 
 class Stable(object):
-    maybe_complain = True
-
     def __init__(self, key, i):
         self.key = key
         self.index = i