diff --git a/.travis.yml b/.travis.yml
index 10fbb611c..7999aa45f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,12 +6,7 @@ os:
   - osx
 
 rvm:
-  - 2.3.3
-  - 2.4.0
-  - 2.5.0
-  - 2.6
   - ruby-head
-  - rbx-2
 
 addons:
   apt: