diff --git a/.travis.yml b/.travis.yml
index 96790db..d514f0f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,6 @@ rvm:
   - 2.3.3
   - 2.4.0
   - ruby-head
-  - rbx-2
   - jruby
 matrix:
   fast_finish: true