diff --git a/setup.cfg b/setup.cfg
index 21fb41db3..1e38a8a80 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,6 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
     Programming Language :: Python :: 3.4
 
 [files]
diff --git a/tox.ini b/tox.ini
index f21002523..6fe77996f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py27,py33,py34,pypy,pep8
+envlist = py27,py34,pypy,pep8
 skipsdist = True
 
 [testenv]