diff --git a/.travis.yml b/.travis.yml
index 1b1076b..7a1b123 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,6 @@ services:
   - docker
 
 env:
-  - IMAGE='php:5.4-cli' TNT_CLIENT=pecl
-  - IMAGE='php:5.5-cli' TNT_CLIENT=pecl
   - IMAGE='php:5.6-cli' TNT_CLIENT=pecl
   - IMAGE='php:7.0-cli' TNT_CLIENT=pecl
   - IMAGE='php:7.1-cli' TNT_CLIENT=pecl