diff --git a/.travis.yml b/.travis.yml
index aa80c77..56ef182 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,11 @@
 language: python
 env:
-  - TOX_ENV=py26-1.4
   - TOX_ENV=py26-1.5
   - TOX_ENV=py26-1.6
-  - TOX_ENV=py27-1.4
   - TOX_ENV=py27-1.5
   - TOX_ENV=py27-1.6
-  - TOX_ENV=pypy-1.4
+  - TOX_ENV=py33-1.5
+  - TOX_ENV=py33-1.6
   - TOX_ENV=pypy-1.5
   - TOX_ENV=pypy-1.6
 before_install:
diff --git a/django_mobile_tests/settings.py b/django_mobile_tests/settings.py
index ef1eead..b552645 100644
--- a/django_mobile_tests/settings.py
+++ b/django_mobile_tests/settings.py
@@ -65,7 +65,6 @@
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.middleware.doc.XViewMiddleware',
     'django_mobile.middleware.MobileDetectionMiddleware',
     'django_mobile.middleware.SetFlavourMiddleware',
 )
diff --git a/tox.ini b/tox.ini
index de5cf4a..8e197ea 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,20 +1,16 @@
 [tox]
 envlist =
-    py26-1.4, py26-1.5, py26-1.6,
-    py27-1.4, py27-1.5, py27-1.6, py27-trunk,
-    pypy-1.4, pypy-1.5, pypy-1.6, pypy-trunk
+    py26-1.5, py26-1.6,
+    py27-1.5, py27-1.6, py27-trunk,
+    py27-1.5, py27-1.6, py27-trunk,
+    py33-1.5, py33-1.6, py33-trunk,
+    pypy-1.5, pypy-1.6, pypy-trunk
 
 [testenv]
 commands = python django_mobile_tests/runtests.py
 setenv =
     DJANGO_SETTINGS_MODULE = django_mobile_tests.settings
 
-[testenv:py26-1.4]
-basepython = python2.6
-deps =
-    Django >= 1.4, < 1.4.99
-    -r{toxinidir}/requirements/tests.txt
-
 [testenv:py26-1.5]
 basepython = python2.6
 deps =
@@ -27,12 +23,6 @@ deps =
     Django >= 1.6, < 1.6.99
     -r{toxinidir}/requirements/tests.txt
 
-[testenv:py27-1.4]
-basepython = python2.7
-deps =
-    Django >= 1.4, < 1.4.99
-    -r{toxinidir}/requirements/tests.txt
-
 [testenv:py27-1.5]
 basepython = python2.7
 deps =
@@ -51,10 +41,22 @@ deps =
     https://github.com/django/django/tarball/master#egg=Django
     -r{toxinidir}/requirements/tests.txt
 
-[testenv:pypy-1.4]
-basepython = pypy
+[testenv:py33-1.5]
+basepython = python3.3
 deps =
-    Django >= 1.4, < 1.4.99
+    Django >= 1.5, < 1.5.99
+    -r{toxinidir}/requirements/tests.txt
+
+[testenv:py33-1.6]
+basepython = python3.3
+deps =
+    Django >= 1.6, < 1.6.99
+    -r{toxinidir}/requirements/tests.txt
+
+[testenv:py33-trunk]
+basepython = python3.3
+deps =
+    https://github.com/django/django/tarball/master#egg=Django
     -r{toxinidir}/requirements/tests.txt
 
 [testenv:pypy-1.5]