diff --git a/.travis.yml b/.travis.yml
index 95a4687..cbfa0ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,20 +2,6 @@ language: php
 
 matrix:
   include:
-    - php: 5.5.9
-      dist: trusty
-      env: deps=low
-    - php: 5.5
-      dist: trusty
-    - php: 5.6
-      env:
-      dist: xenial
-    - php: 7.0
-      dist: xenial
-    - php: 7.1
-      env:
-        - psalm=yes
-      dist: bionic
     - php: 7.2
       env:
         - psalm=yes