diff --git a/setup.cfg b/setup.cfg
index c9ba5ecbc..e6c500787 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,6 @@ 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 f4cd41c6a..d21b00fe7 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]