diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 2a86bafb80db3..0000000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,121 +0,0 @@
-version: 2
-
-jobs:
-  lint:
-    docker:
-      - image: circleci/node:lts
-    working_directory: ~/pingcap/docs
-    steps:
-      - checkout
-
-      - run:
-          name: Setup
-          command: |
-            mkdir ~/.npm-global
-            npm config set prefix '~/.npm-global'
-            echo 'export PATH=~/.npm-global/bin:$PATH' >> $BASH_ENV
-            echo 'export NODE_PATH=~/.npm-global/lib/node_modules:$NODE_PATH' >> $BASH_ENV
-
-      - run:
-          name: "Check file encoding"
-          command: |
-            git remote add upstream https://github.com/pingcap/docs.git
-            git fetch upstream
-            python3 scripts/check-file-encoding.py $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' ':(exclude).github/*')
-
-      - run:
-          name: "Check git conflicts"
-          command: |
-            python3 scripts/check-conflicts.py $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' '*.yml' '*.yaml')
-
-      - run:
-          name: "Install markdownlint"
-          command: |
-            npm install -g markdownlint-cli@0.17.0
-
-      - run:
-          name: "Lint edited files"
-          command: |
-            markdownlint $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' ':(exclude).github/*')
-
-      - run:
-          name: "Check internal links"
-          command: |
-            scripts/verify-links.sh
-
-      - run:
-          name: "Check internal link anchors"
-          command: |
-            scripts/verify-link-anchors.sh
-
-      - run:
-          name: "Check control characters"
-          command: |
-            python3 scripts/check-control-char.py $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' ':(exclude).github/*')
-
-      - run:
-          name: "Check unclosed tags"
-          command: |
-            python3 scripts/check-tags.py $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' ':(exclude).github/*')
-
-      - run:
-          name: "Check manual line breaks"
-          command: |
-            python3 scripts/check-manual-line-breaks.py $(git diff-tree --name-only --no-commit-id -r upstream/master..HEAD -- '*.md' ':(exclude).github/*')
-
-  build:
-    docker:
-      - image: andelf/doc-build:0.1.9
-    working_directory: ~/pingcap/docs
-
-    steps:
-      - checkout
-
-      - run:
-          name: install sdk and awscli
-          command: |
-            sudo pip3 install boto3
-            sudo pip3 install awscli
-            printf "%s\n" ${AWS_ACCESS_KEY} ${AWS_SECRET_KEY} ${AWS_REGION} "json" | aws configure
-
-
-      - run:
-          name: "Special Check for Golang User - YOUR TAB SUCK"
-          command: grep -RP '\t' *  | tee | grep '.md' && exit 1; echo ok
-
-      - run:
-          name: "Merge Makedown Files"
-          command: python3 scripts/merge_by_toc.py
-
-      - run:
-          name: "Generate PDF"
-          command: scripts/generate_pdf.sh
-
-      # echo "222.222.95.49 uc.qbox.me": adds a new host
-      - deploy:
-          name: "Publish PDF to Qiniu and S3"
-          command: |
-            sudo bash -c 'echo "222.222.95.49 uc.qbox.me" >> /etc/hosts';
-            if [ "${CIRCLE_BRANCH}" == "master" ]; then
-              python3 scripts/upload.py output.pdf tidb-dev-en-manual.pdf;
-            fi
-
-      - run:
-          name: "Copy Generated PDF"
-          command: mkdir /tmp/artifacts && cp output.pdf doc.md /tmp/artifacts
-
-      - store_artifacts:
-          path: /tmp/artifacts
-
-workflows:
-  version: 2
-  lint:
-    jobs:
-      - lint
-  build:
-    jobs:
-      - build:
-          filters:
-            branches:
-              only:
-                - master