diff --git a/setup.cfg b/setup.cfg
index 3293b6f0..dcf537ad 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,7 +17,6 @@ classifier =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 2.6
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
     Programming Language :: Python :: 3.4
 
 [files]
diff --git a/tox.ini b/tox.ini
index 5d30cec4..0a5f6c99 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py33,py34,py26,py27,pypy,pep8
+envlist = py34,py26,py27,pypy,pep8
 skipsdist = True
 
 [testenv]