diff --git a/.travis.yml b/.travis.yml
index 1948f07..3f8730d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: python
 python:
   - 2.7
-  - 3.3
   - 3.4
   - 3.5
   - 3.6
diff --git a/setup.py b/setup.py
index d251352..ed77fed 100755
--- a/setup.py
+++ b/setup.py
@@ -73,7 +73,6 @@ setup(
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
diff --git a/tox.ini b/tox.ini
index 3e1d6a2..32dce59 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py26, py27, py33, py34, py35, py36, pypy
+envlist = py27, py34, py35, py36, pypy
 
 [testenv]
 commands = python setup.py test