diff --git a/.github/workflows/merge-for-cloudrun.yml b/.github/workflows/merge-for-cloudrun.yml
deleted file mode 100644
index a6164e58..00000000
--- a/.github/workflows/merge-for-cloudrun.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: Sync multiple branches
-on:
-  push:
-    branches:
-      - 'master'
-jobs:
-  sync-branch:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-
-      - name: Merge master -> CloudRunButton
-        uses: devmasx/merge-branch@v1.3.1
-        with:
-          type: now
-          from_branch: master
-          target_branch: CloudRunButton
-          github_token: ${{ secrets.GITHUB_TOKEN }}