diff --git a/.github/workflows/java-checkstyle.yml b/.github/workflows/java-checkstyle.yml
index 870bf34cbe4..5989257674a 100644
--- a/.github/workflows/java-checkstyle.yml
+++ b/.github/workflows/java-checkstyle.yml
@@ -32,8 +32,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up JDK 11
         uses: actions/setup-java@v1