diff --git a/.github/workflows/ci_auth.yml b/.github/workflows/ci_auth.yml
index c8448225..9c7f40fe 100644
--- a/.github/workflows/ci_auth.yml
+++ b/.github/workflows/ci_auth.yml
@@ -15,9 +15,6 @@ jobs:
       - uses: actions/checkout@v4
         name: checkout
 
-      - name: checkout
-        run: git checkout ${{ github.event.inputs.version }}
-
       - name: set up jdk 21
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ci_front.yml b/.github/workflows/ci_front.yml
index 0d63c2bf..370bd213 100644
--- a/.github/workflows/ci_front.yml
+++ b/.github/workflows/ci_front.yml
@@ -15,9 +15,6 @@ jobs:
       - uses: actions/checkout@v4
         name: checkout
 
-      - name: checkout
-        run: git checkout ${{ github.event.inputs.version }}
-
       - name: Log in to Docker Hub
         uses: docker/login-action@v3
         with:
diff --git a/.github/workflows/ci_server.yml b/.github/workflows/ci_server.yml
index 7aa43b6c..fd7ebc28 100644
--- a/.github/workflows/ci_server.yml
+++ b/.github/workflows/ci_server.yml
@@ -15,9 +15,6 @@ jobs:
       - uses: actions/checkout@v4
         name: checkout
 
-      - name: checkout
-        run: git checkout ${{ github.event.inputs.version }}
-
       - name: set up jdk 21
         uses: actions/setup-java@v4
         with:
diff --git a/.github/workflows/ci_user.yml b/.github/workflows/ci_user.yml
index e0ba58b3..751e9c1f 100644
--- a/.github/workflows/ci_user.yml
+++ b/.github/workflows/ci_user.yml
@@ -15,9 +15,6 @@ jobs:
       - uses: actions/checkout@v4
         name: checkout
 
-      - name: checkout
-        run: git checkout ${{ github.event.inputs.version }}
-
       - name: set up jdk 21
         uses: actions/setup-java@v4
         with: