diff --git a/.travis.yml b/.travis.yml
index 844b60c..00f7484 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,6 @@ matrix:
       env: TOXENV=py3flake8
     - python: 2.7
       env: TOXENV=py27
-    - python: 3.3
-      env: TOXENV=py33
     - python: 3.4
       env: TOXENV=py34
     - python: 3.5
diff --git a/tox.ini b/tox.ini
index 0f6f3f0..7604e50 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.7.2
-envlist = flake8, py3flake8, py27, py33, py34, py35, py36, pypy, pypy3
+envlist = flake8, py3flake8, py27, py34, py35, py36, pypy, pypy3
 skip_missing_interpreters = true
 
 [testenv]