diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ec88cb5..b59e1b3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -81,7 +81,6 @@ jobs:
         uses: actions/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-          architecture: 'x64'
 
       - name: Setup Cache
         uses: actions/cache@v1