diff --git a/tox.ini b/tox.ini
index 2a961c82..38bf3ac4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,8 @@
 [tox]
-envlist = py26,py27,py33,py34,py35,py36
+envlist = py26,py27,py34,py35,py36
 
 [testenv]
 
 commands =
     pip install -e .[socks]
-    python setup.py test
\ No newline at end of file
+    python setup.py test