diff --git a/.travis.yml b/.travis.yml
index 113c902..827456c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,6 @@ env:
     matrix:
         # Make sure that egg_info works without dependencies
         - PYTHON_VERSION=2.7 SETUP_CMD='egg_info'
-        - PYTHON_VERSION=3.3 SETUP_CMD='egg_info'
         - PYTHON_VERSION=3.4 SETUP_CMD='egg_info'
         - PYTHON_VERSION=3.5 SETUP_CMD='egg_info'
         - PYTHON_VERSION=3.6 SETUP_CMD='egg_info'
@@ -98,7 +97,7 @@ matrix:
         - os: linux
           env: PYTHON_VERSION=2.7 NUMPY_VERSION=1.7
         - os: linux
-          env: PYTHON_VERSION=3.3 NUMPY_VERSION=1.8
+          env: PYTHON_VERSION=3.4 NUMPY_VERSION=1.8
         - os: linux
           env: PYTHON_VERSION=3.4 NUMPY_VERSION=1.9
         - os: linux
diff --git a/CHANGES.rst b/CHANGES.rst
index de644a3..0631a0e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,7 @@
 -----------------
 - Handle non-backwards compatible changes to astropy.constants in astropy 2.0.
 - Handle deprecated longitude, latitude attributes for astropy >= 2.0.
+- Remove tests against python 3.3 (3.4-3.6 are still tested).
 
 0.9 (2017-05-11)
 ----------------