diff --git a/tox.ini b/tox.ini
index e4d56260b..26e4e20e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py33,py34,pep8
+envlist = py27,py34,pep8
 minversion = 1.6
 skipsdist = True