diff --git a/.github/workflows/docker_image.yml b/.github/workflows/docker_image.yml
index 3d34963..d0776cf 100644
--- a/.github/workflows/docker_image.yml
+++ b/.github/workflows/docker_image.yml
@@ -16,11 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
-      - name: Extract branch name
-        shell: bash
-        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
-        id: extract_branch
-
       - name: Checkout
         uses: actions/checkout@v4.1.6