diff --git a/.github/workflows/mirror-to-master.yml b/.github/workflows/mirror-to-master.yml
deleted file mode 100644
index 7849af75bf..0000000000
--- a/.github/workflows/mirror-to-master.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: Mirror main branch to master branch
-
-on:
-  push:
-    branches:
-      - 'main'
-
-jobs:
-  mirror_job:
-    runs-on: ubuntu-latest
-    name: Mirror main branch to master branch
-    steps:
-    - name: Mirror branch
-      uses: google/mirror-branch-action@v1.0
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        source: 'main'
-        dest: 'master'