diff --git a/.github/workflows/experimental.yml b/.github/workflows/experimental.yml
deleted file mode 100644
index 8b6433b..0000000
--- a/.github/workflows/experimental.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: build experimental image
-
-on:
-  push:
-    branches-ignore: master
-  workflow_dispatch:
-
-jobs:
-  build-experimental:
-    runs-on: self-hosted
-    steps:
-      - name: checkout code
-        uses: actions/checkout@v3
-      # https://github.com/docker/setup-qemu-action
-      - name: Set Environment Variables
-        env:
-          REPO_OWNER: '${{ github.repository_owner }}'
-        run: |
-          IMG=docker-nginx-http3
-
-          echo "BUILD_VER=1.0.$GITHUB_RUN_NUMBER" >> $GITHUB_ENV
-          echo "IMG=${IMG}" >> $GITHUB_ENV
-          echo "DOCKER_IMG=${REPO_OWNER}/${IMG}" >> $GITHUB_ENV
-          echo "IMAGE=ghcr.io/${REPO_OWNER,,}/${IMG}" >> $GITHUB_ENV
-          echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_ENV
-          echo "GIT_SHA=$(echo ${{ github.sha }} | cut -c1-7)" >> $GITHUB_ENV
-          echo "GIT_REF=$(git symbolic-ref -q --short HEAD || git describe --tags --exact-match)" >> $GITHUB_ENV
-          echo "VCS_REF=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      # https://github.com/docker/setup-buildx-action
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Available platforms
-        run: echo ${{ steps.buildx.outputs.platforms }}
-      - name: Login to DockerHub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Docker build and push
-        uses: docker/build-push-action@v3
-        with:
-          labels: |
-            org.opencontainers.image.authors=${{ github.repository_owner }}
-            org.opencontainers.image.created=${{ env.BUILD_DATE }}
-            org.opencontainers.image.description=Created from commit ${{ env.GIT_SHA }} and ref ${{ env.GIT_REF }}
-            org.opencontainers.image.ref.name=${{ env.GIT_REF }}
-            org.opencontainers.image.revision=${{ github.sha }}
-            org.opencontainers.image.source=https://github.com/${{ github.repository }}
-            org.opencontainers.image.version=${{ env.BUILD_VER }}
-          tags: |
-            ${{ env.DOCKER_IMG }}:${{ env.GIT_REF }}
-            ${{ env.DOCKER_IMG }}:${{ env.GIT_SHA }}
-            ${{ env.IMAGE }}:${{ env.GIT_REF }}
-            ${{ env.IMAGE }}:${{ env.GIT_SHA }}
-          build-args: |
-            BUILD_DATE=${{ env.BUILD_DATE }}
-            VCS_REF=${{ env.VCS_REF }}
-          push: true
-          platforms: linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7