diff --git a/.github/workflows/builder.yml b/.github/workflows/builder.yml
deleted file mode 100644
index 8a93b37..0000000
--- a/.github/workflows/builder.yml
+++ /dev/null
@@ -1,68 +0,0 @@
-name: Build images
-
-# yamllint disable-line rule:truthy
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: Which core version should be used as base image
-        required: true
-
-env:
-  REGISTRY: ghcr.io
-  HASSFEST_IMAGE_NAME: ${{ github.repository }}/hassfest
-  HASSFEST_IMAGE_TAG: ${{ env.HASSFEST_IMAGE_NAME }}:latest
-
-jobs:
-  build-and-push-image:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-      attestations: write
-      id-token: write
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Log in to the Container registry
-        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build Docker image
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
-        with:
-          context: ./hassfest
-          build-args: FROM_VERSION=${{ version }}
-          load: true
-          tags: ${{ env.HASSFEST_IMAGE_TAG }}
-
-      # todo test with core
-      - name: Checkout core repository
-        uses: actions/checkout@v4
-        with:
-          name: home-assistant/core
-          path: tmp/core
-
-      - name: Run hassfest againt core
-        run: docker run --rm -v ${{ github.workspace }}/tmp/core://github/workspace ${{ env.REGISTRY }}/${{ env.HASSFEST_IMAGE_TAG }}
-
-      - name: Push Docker image
-        id: push
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
-        with:
-          context: ./hassfest
-          build-args: FROM_VERSION=${{ version }}
-          push: true
-          tags: ${{ env.HASSFEST_IMAGE_TAG }}
-      
-      - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@6149ea5740be74af77f260b9db67e633f6b0a9a1  # v1.4.2
-        with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.HASSFEST_IMAGE_NAME }}
-          subject-digest: ${{ steps.push.outputs.digest }}
-          push-to-registry: true
-      
\ No newline at end of file
diff --git a/hassfest/Dockerfile b/hassfest/Dockerfile
deleted file mode 100644
index 652c732..0000000
--- a/hassfest/Dockerfile
+++ /dev/null
@@ -1,23 +0,0 @@
-ARG FROM_VERSION=beta
-FROM ghcr.io/home-assistant/home-assistant:${FROM_VERSION}
-
-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
-
-COPY entrypoint.sh /entrypoint.sh
-
-RUN \
-    uv pip install stdlib-list==0.10.0 \
-        $(grep -e "^pipdeptree" -e "^tqdm" /usr/src/homeassistant/requirements_test.txt) \
-        $(grep -e "^ruff" /usr/src/homeassistant/requirements_test_pre_commit.txt)
-
-WORKDIR "/github/workspace"
-ENTRYPOINT ["/entrypoint.sh"]
-
-LABEL "name"="hassfest"
-LABEL "maintainer"="Home Assistant <hello@home-assistant.io>"
-LABEL "version"="1.1"
-
-LABEL "com.github.actions.name"="hassfest"
-LABEL "com.github.actions.description"="Run hassfest to validate standalone integration repositories"
-LABEL "com.github.actions.icon"="terminal"
-LABEL "com.github.actions.color"="gray-dark"
diff --git a/hassfest/action.yml b/hassfest/action.yml
index d476ad1..4f46ae0 100644
--- a/hassfest/action.yml
+++ b/hassfest/action.yml
@@ -8,8 +8,4 @@ runs:
 
     - shell: bash
       run: |
-        docker build ${{ github.action_path }} -f ${{ github.action_path }}/Dockerfile -t hassfest
-
-    - shell: bash
-      run: |
-        docker run --rm -v ${{ github.workspace }}://github/workspace hassfest
+        docker run --rm -v ${{ github.workspace }}://github/workspace ghcr.io/home-assistant/hassfest
diff --git a/hassfest/entrypoint.sh b/hassfest/entrypoint.sh
deleted file mode 100755
index c45fcf2..0000000
--- a/hassfest/entrypoint.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bashio
-declare -a integrations
-declare integration_path
-
-shopt -s globstar nullglob
-for manifest in **/manifest.json; do
-    manifest_path=$(realpath "${manifest}")
-    integrations+=(--integration-path "${manifest_path%/*}")
-done
-
-if [[ ${#integrations[@]} -eq 0 ]]; then
-    bashio::exit.nok "No integrations found!"
-fi
-
-cd /usr/src/homeassistant
-exec python3 -m script.hassfest --action validate "${integrations[@]}"
\ No newline at end of file