diff --git a/.travis.yml b/.travis.yml
index cb9a73cf..306b1dcb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: python
 python: 3.5
 env: # These should match the tox env list
     - TOXENV=py27
-    - TOXENV=py33
     - TOXENV=py34
     - TOXENV=py35
     - TOXENV=pypy
diff --git a/tox.ini b/tox.ini
index 0cf174a6..370bc51e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 project = pre_commit
 # These should match the travis env list
-envlist = py27,py33,py34,py35,pypy,pypy3
+envlist = py27,py34,py35,pypy,pypy3
 
 [testenv]
 deps = -rrequirements-dev.txt