diff --git a/.drone.yml b/.drone.yml
index 4d933db..7d5d941 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,7 +7,6 @@ steps:
     image: plugins/docker
     settings:
       repo: ghcr.io/uetchy/uechi.io
-      cache_from: ghcr.io/uetchy/uechi.io:latest
       tags: latest
       registry: ghcr.io
       username:
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 46e2610..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-version: 2
-updates:
-- package-ecosystem: npm
-  directory: "/"
-  schedule:
-    interval: monthly
-    time: "20:00"
-    timezone: Asia/Tokyo
-  open-pull-requests-limit: 10
-  ignore:
-  - dependency-name: textlint
-    versions:
-    - 11.7.7
-    - 11.8.1
-  - dependency-name: textlint-rule-no-dropping-the-ra
-    versions:
-    - 2.0.0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index cc340fa..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-# https://hexo.io/docs/github-pages.html
-# https://github.com/docker/build-push-action/blob/master/docs/advanced/cache.md#github-cache
-name: ci
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  buildAndPush:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      # - name: Set up QEMU
-      #   uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: ghcr.io/uetchy/uechi.io:latest
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
-
-      - name: Trigger Watchtower Update
-        run: |
-          curl -s -H "Authorization: Bearer ${{ secrets.WATCHTOWER_TOKEN }}" https://watchtower.uechi.dev/v1/update
diff --git a/README.md b/README.md
index fcf8bc6..97b06e0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # uechi.io
 
-[![Actions Status: pages](https://github.com/uetchy/uechi.io/workflows/Pages/badge.svg)](https://github.com/uetchy/uechi.io/actions?query=pages)
+[![Build Status](https://ci.uechi.io/api/badges/uetchy/uechi.io/status.svg)](https://ci.uechi.io/uetchy/uechi.io)
 
 ## Build
 
@@ -14,9 +14,4 @@ yarn build
 ```bash
 git commit -m "New article"
 git push
-
-# or
-
-# brew install drone-cli
-drone exec --secret-file .drone.secrets
 ```