diff --git a/.travis.yml b/.travis.yml
index ed26208..9ad1966 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,8 @@ python:
 sudo: false
 
 env:
-    - TOX_ENV=py36-django211
+    - TOX_ENV=pep8
+    - TOX_ENV=py36-django222
     - TOX_ENV=coverage_combine
     - TOX_ENV=docs
 
diff --git a/conf.py b/conf.py
index 6a1a1fa..ca937b5 100644
--- a/conf.py
+++ b/conf.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-extensions = ['recommonmark']
+extensions = []
 templates_path = [
     '/home/docs/checkouts/readthedocs.org/readthedocs/templates/sphinx',
     'templates', '_templates', '.templates']