diff --git a/.github/actions/create-main-distro-alias/action.yaml b/.github/actions/create-main-distro-alias/action.yaml
deleted file mode 100644
index 40e9d53ee21..00000000000
--- a/.github/actions/create-main-distro-alias/action.yaml
+++ /dev/null
@@ -1,49 +0,0 @@
-name: create-main-distro-alias
-description: ""
-
-inputs:
-  package-name:
-    description: ""
-    required: true
-  rosdistro:
-    description: ""
-    required: true
-  tag-name:
-    description: ""
-    required: true
-
-runs:
-  using: composite
-  steps:
-    - name: Login to GitHub Container Registry
-      uses: docker/login-action@v2
-      with:
-        registry: ghcr.io
-        username: ${{ github.repository_owner }}
-        password: ${{ github.token }}
-
-    - name: Set image name
-      id: set-image-name
-      run: echo "image-name=ghcr.io/${{ github.repository_owner }}/${{ inputs.package-name }}" >> $GITHUB_OUTPUT
-      shell: bash
-
-    - name: Create Docker manifest for latest
-      run: |
-        # Check image existence
-        distro_image="${{ steps.set-image-name.outputs.image-name }}:${{ inputs.rosdistro }}-${{ inputs.tag-name }}"
-        if docker manifest inspect "$distro_image-amd64" >/dev/null 2>&1; then
-          amd64_image="$distro_image-amd64"
-        fi
-        if docker manifest inspect "$distro_image-arm64" >/dev/null 2>&1; then
-          arm64_image="$distro_image-arm64"
-        fi
-
-        echo "amd64_image: $amd64_image"
-        echo "arm64_image: $arm64_image"
-
-        docker manifest create --amend ${{ steps.set-image-name.outputs.image-name }}:${{ inputs.tag-name }} \
-          $amd64_image \
-          $arm64_image
-
-        docker manifest push ${{ steps.set-image-name.outputs.image-name }}:${{ inputs.tag-name }}
-      shell: bash
diff --git a/.github/workflows/update-docker-manifest.yaml b/.github/workflows/update-docker-manifest.yaml
index 0e2ac4a8ab0..7c63a54dcb5 100644
--- a/.github/workflows/update-docker-manifest.yaml
+++ b/.github/workflows/update-docker-manifest.yaml
@@ -6,11 +6,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  load-env:
-    uses: ./.github/workflows/load-env.yaml
-
   update-docker-manifest:
-    needs: load-env
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
@@ -20,31 +16,3 @@ jobs:
         uses: ./.github/actions/combine-multi-arch-images
         with:
           package-name: autoware-openadk
-
-      - name: Create alias from 'autoware-openadk:{rosdistro}-latest-devel' to 'autoware-openadk:latest-devel'
-        uses: ./.github/actions/create-main-distro-alias
-        with:
-          package-name: autoware-openadk
-          rosdistro: ${{ needs.load-env.outputs.rosdistro }}
-          tag-name: latest-devel
-
-      - name: Create alias from 'autoware-openadk:{rosdistro}-latest-runtime' to 'autoware-openadk:latest-runtime'
-        uses: ./.github/actions/create-main-distro-alias
-        with:
-          package-name: autoware-openadk
-          rosdistro: ${{ needs.load-env.outputs.rosdistro }}
-          tag-name: latest-runtime
-
-      - name: Create alias from 'autoware-openadk:{rosdistro}-latest-devel-cuda' to 'autoware-openadk:latest-devel-cuda'
-        uses: ./.github/actions/create-main-distro-alias
-        with:
-          package-name: autoware-openadk
-          rosdistro: ${{ needs.load-env.outputs.rosdistro }}
-          tag-name: latest-devel-cuda
-
-      - name: Create alias from 'autoware-openadk:{rosdistro}-latest-runtime-cuda' to 'autoware-openadk:latest-runtime-cuda'
-        uses: ./.github/actions/create-main-distro-alias
-        with:
-          package-name: autoware-openadk
-          rosdistro: ${{ needs.load-env.outputs.rosdistro }}
-          tag-name: latest-runtime-cuda