diff --git a/setup.py b/setup.py
index a05cd1b..2af18db 100644
--- a/setup.py
+++ b/setup.py
@@ -71,5 +71,4 @@ setup(
         'Programming Language :: Python :: 3.5',
       ],
       keywords = 'python http urllib keepalive',
-      use_2to3 = True
 )