diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
deleted file mode 100644
index 2a41c12c7e..0000000000
--- a/.github/CODEOWNERS
+++ /dev/null
@@ -1,38 +0,0 @@
-# PATH                                          OWNERS
-/.autogen/                                      @acid-chicken
-/.circleci/                                     @syuilo @acid-chicken
-/.config/                                       @syuilo @AyaMorisawa @mei23 @acid-chicken @rinsuki
-# /.config/mongo_initdb_example.js              @khws4v1
-/.github/                                       @syuilo @AyaMorisawa @acid-chicken
-/.vscode/                                       @acid-chicken
-/assets/                                        @syuilo # @tamaina
-/docs/                                          @syuilo
-/docs/*.en.md                                   @AyaMorisawa # @skid9000
-# /docs/*.fr.md                                 @BoFFire
-# /docs/docker.*.md                             @khws4v1
-/locales/                                       @syuilo
-/src/                                           @syuilo @AyaMorisawa @mei23 @acid-chicken @rinsuki
-# /src/crypto_key.cc                            @akihikodaki
-# /src/crypto_key.d.ts                          @akihikodaki
-/.dockerignore                                  @syuilo # @khws4v1
-/.editorconfig                                  @syuilo @AyaMorisawa
-/.eslintrc                                      @syuilo
-/.gitattributes                                 @syuilo
-/.gitignore                                     @syuilo
-/.npmrc                                         @syuilo
-/.vsls.json                                     @AyaMorisawa
-/CHANGELOG.md                                   @syuilo
-/CODE_OF_CONDUCT.md                             @syuilo
-/CONTRIBUTING.md                                @syuilo
-/Dockerfile                                     @syuilo @AyaMorisawa @acid-chicken # @khws4v1
-/LICENSE                                        @syuilo
-/README.md                                      @syuilo @AyaMorisawa @acid-chicken # @nikhiljha
-# /binding.gyp                                  @akihikodaki
-/crowdin.yml                                    @syuilo
-# /docker-compose.yml                           @khws4v1
-/gulpfile.ts                                    @syuilo @AyaMorisawa
-/jsconfig.json                                  @syuilo @AyaMorisawa
-/package.json                                   @syuilo @AyaMorisawa
-/tsconfig.json                                  @syuilo @AyaMorisawa
-/tslint.json                                    @syuilo @AyaMorisawa
-/webpack.config.ts                              @syuilo @AyaMorisawa
diff --git a/README.md b/README.md
index ce0aa09417..a60f71cacf 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 
 <div align="center">
 
-[![CircleCI](https://img.shields.io/circleci/project/github/misskey-dev/misskey.svg?style=for-the-badge&logo=circleci)](https://circleci.com/gh/misskey-dev/misskey)
 [![Dependencies](https://img.shields.io/david/misskey-dev/misskey.svg?style=for-the-badge&logo=npm)](https://david-dm.org/misskey-dev/misskey)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=for-the-badge&logo=github)](http://makeapullrequest.com)
 [![Awesome Humane Tech](https://raw.githubusercontent.com/humanetech-community/awesome-humane-tech/main/humane-tech-badge.svg?sanitize=true)](https://github.com/humanetech-community/awesome-humane-tech)