diff --git a/.github/workflows/delete_backport_branch.yml b/.github/workflows/delete_backport_branch.yml
new file mode 100644
index 000000000..3804e567f
--- /dev/null
+++ b/.github/workflows/delete_backport_branch.yml
@@ -0,0 +1,22 @@
+name: Delete merged branch of the backport PRs
+on: 
+  pull_request:
+    types:
+      - closed
+  
+jobs:
+  delete-branch:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    if: startsWith(github.event.pull_request.head.ref,'backport/') || startsWith(github.event.pull_request.head.ref,'release-chores/')
+    steps:
+    - name: Delete merged branch
+      uses: actions/github-script@v7
+      with:
+        script: |
+          github.rest.git.deleteRef({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            ref: `heads/${context.payload.pull_request.head.ref}`,
+          })
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