diff --git a/.travis.yml b/.travis.yml
index 03cfd93..c320375 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,26 +1,8 @@
 # https://travis-ci.org/django-polymorphic/django-polymorphic
 dist: xenial
-cache: pip
 sudo: false
 language: python
 
-python: "3.6"
-
-env:
-  - TOXENV=py27-django111
-  - TOXENV=py35-django111
-  - TOXENV=py35-django20
-  - TOXENV=py35-djangomaster
-  - TOXENV=py36-django111
-  - TOXENV=py36-django20
-  - TOXENV=py36-django21
-  - TOXENV=py36-django22
-  - TOXENV=py36-djangomaster
-  # XXX: Use a matrix to build these?
-  - TOXENV=py36-django111-postgres DB=postgres
-  - TOXENV=py36-django20-postgres DB=postgres
-  - TOXENV=py36-djangomaster-postgres DB=postgres
-
 services:
   - postgres
 addons:
@@ -29,14 +11,12 @@ addons:
 matrix:
   fast_finish: true
   include:
-    # Django 1.11: Python 2.7, 3.4, 3.5, or 3.6
+    # Django 1.11: Python 2.7, 3.5, or 3.6
     - { env: TOXENV=py27-django111, python: 2.7 }
-    - { env: TOXENV=py34-django111, python: 3.4 }
     - { env: TOXENV=py35-django111, python: 3.5 }
     - { env: TOXENV=py36-django111, python: 3.6 }
     - { env: TOXENV=py36-django111-postgres DB=postgres, python: 3.6 }
-    # Django 2.0: Python 3.4, 3.5, or 3.6
-    - { env: TOXENV=py34-django20, python: 3.4 }
+    # Django 2.0: Python 3.5, or 3.6
     - { env: TOXENV=py35-django20, python: 3.5 }
     - { env: TOXENV=py36-django20, python: 3.6 }
     - { env: TOXENV=py36-django20-postgres DB=postgres, python: 3.6 }
@@ -49,16 +29,14 @@ matrix:
     - { env: TOXENV=py37-django22, python: 3.7 }
     - { env: TOXENV=py37-django22-postgres DB=postgres, python: 3.7 }
     # Django development master (direct from GitHub source):
-    - { env: TOXENV=py35-djangomaster, python: 3.5 }
     - { env: TOXENV=py36-djangomaster, python: 3.6 }
     - { env: TOXENV=py37-djangomaster, python: 3.7 }
     - { env: TOXENV=py37-djangomaster-postgres DB=postgres, python: 3.7 }
 
   allow_failures:
-    - { env: TOXENV=py35-djangomaster, python: 3.5 }
-    - { env: TOXENV=py36-djangomaster, python: 3.6 }
-    - { env: TOXENV=py37-djangomaster, python: 3.7 }
-    - { env: TOXENV=py37-djangomaster-postgres DB=postgres, python: 3.7 }
+    - env: TOXENV=py36-djangomaster
+    - env: TOXENV=py37-djangomaster
+    - env: TOXENV=py37-djangomaster-postgres DB=postgres
 
 cache:
   directories:
diff --git a/README.rst b/README.rst
index e45b971..09f0699 100644
--- a/README.rst
+++ b/README.rst
@@ -60,7 +60,7 @@ Django to perform an ``INNER JOIN`` to fetch the model fields from the database.
 While taking this in mind, there are valid reasons for using subclassed models.
 That's what this library is designed for!
 
-The current release of *django-polymorphic* supports Django 1.11, 2.0, 2.1, 2.2 and Python 2.7 and 3.4+ is supported.
+The current release of *django-polymorphic* supports Django 1.11, 2.0, 2.1, 2.2 and Python 2.7 and 3.5+ is supported.
 For older Django versions, install *django-polymorphic==1.3*.
 
 For more information, see the `documentation at Read the Docs <https://django-polymorphic.readthedocs.io/>`_.
diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index 91ca7b3..c40cb06 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -12,7 +12,7 @@ Update the settings file::
         'django.contrib.contenttypes',
     )
 
-The current release of *django-polymorphic* supports Django 1.11, 2.0 and Python 2.7 and 3.4+ is supported.
+The current release of *django-polymorphic* supports Django 1.11, 2.0 and Python 2.7 and 3.5+ is supported.
 For older Django versions, use *django-polymorphic==1.3*.
 
 Making Your Models Polymorphic
diff --git a/setup.cfg b/setup.cfg
index e9e04db..ac733b4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,7 +23,6 @@ classifiers =
 	Operating System :: OS Independent
 	Programming Language :: Python :: 2.7
 	Programming Language :: Python :: 3
-	Programming Language :: Python :: 3.4
 	Programming Language :: Python :: 3.5
 	Programming Language :: Python :: 3.6
 	Programming Language :: Python :: 3.7
diff --git a/tox.ini b/tox.ini
index aa04975..005cd78 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,7 @@
 [tox]
 envlist =
 	py27-django{111}
-	py34-django{111,20}
-	py35-django{111,20,master}
+	py35-django{111,20}
 	py36-django{111,20,21,22,master}
 	py37-django{21,22,master}
 	docs