diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
deleted file mode 100644
index 4c7bc78..0000000
--- a/.github/workflows/build-and-test.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: build-and-test
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-      - "releases/*"
-jobs:
-  build-and-test:
-    strategy:
-      matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: Git checkout
-        uses: actions/checkout@v2
-
-      - name: Set up Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: 1.17
-
-      - run: go test ./...
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
deleted file mode 100644
index 31c623d..0000000
--- a/.github/workflows/release.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: release
-on:
-  push:
-    branches:
-      - "main"
-    tags:
-      - "v*"
-permissions:
-  contents: write
-jobs:
-  test:
-    name: Build and release
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v3
-        with:
-          submodules: "true"
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: kcllang/kcl-playground
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}