diff --git a/.travis.yml b/.travis.yml
index 5eef0cf..2959300 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,11 +4,11 @@ os: linux
 language: python
 python:
   - "2.7"
-  - "3.3"
+#  - "3.3"
   - "3.4"
-  - "3.5"
-  - "3.5-dev" # 3.5 development branch
-  - "nightly" # currently points to 3.6-dev
+#  - "3.5"
+#  - "3.5-dev" # 3.5 development branch
+#  - "nightly" # currently points to 3.6-dev
 before_install:
   - sudo apt-get -qq update
   - sudo apt-get install -y libmpc-dev