diff --git a/.travis.yml b/.travis.yml
index ac14398b..e9f6ee4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: node_js
 node_js:
     - 7
     - 6
-    - 4
 
 script:
   - npm run codestyle