diff --git a/tox.ini b/tox.ini
index cfa828fb..9cae92e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py33,py34,py27,pypy,pep8
+envlist = py34,py27,pypy,pep8
 skipsdist = True
 
 [testenv]