diff --git a/.travis.yml b/.travis.yml
index fd6c5dd..97d413c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,10 +2,6 @@ language: php
 
 matrix:
   include:
-    - php: 5.5
-      env:
-        - PHPREDIS_VERSION=redis-4.3.0
-        - PHPUNIT_VERSION=^4.8
     - php: 5.6
       env:
         - PHPREDIS_VERSION=redis-4.3.0