diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ddd64393..788df92b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,8 +18,6 @@ jobs:
           - '3.1'
           - '3.2'
           - 'ruby-head'
-          - 'jruby-head'
-          - 'truffleruby-head'
 
     steps:
       - uses: actions/checkout@v1