diff --git a/.travis.yml b/.travis.yml
index 5386cc9..6ca0532 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,8 @@ python:
     - 3.4
     - 3.5
     - 3.6
-    - "3.6-dev"
-    - nightly
+    # - "3.6-dev"
+    # - nightly
 
 sudo: required
 # https://docs.travis-ci.com/user/ci-environment/#Virtualization-environments