diff --git a/README.md b/README.md
index 41479241e..2c155d31b 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,6 @@ Misskey
 ================================
 
 [![][travis-badge]][travis-link]
-[![][appveyor-badge]][appveyor-link]
 [![][dependencies-badge]][dependencies-link]
 [![][mit-badge]][mit]
 [![][saythanks-badge]][saythanks]
@@ -138,9 +137,7 @@ Misskey is an open-source software licensed under [The MIT License](LICENSE).
 [mit]:                http://opensource.org/licenses/MIT
 [mit-badge]:          https://img.shields.io/badge/license-MIT-444444.svg?style=flat-square
 [travis-link]:        https://travis-ci.org/syuilo/misskey
-[travis-badge]:       http://img.shields.io/travis/syuilo/misskey/master.svg?style=flat-square&label=Linux
-[appveyor-link]:      https://ci.appveyor.com/project/syuilo/misskey
-[appveyor-badge]:     https://img.shields.io/appveyor/ci/syuilo/misskey/master.svg?style=flat-square&label=Windows
+[travis-badge]:       http://img.shields.io/travis/syuilo/misskey/master.svg?style=flat-square
 [dependencies-link]:  https://gemnasium.com/syuilo/misskey
 [dependencies-badge]: https://img.shields.io/gemnasium/syuilo/misskey.svg?style=flat-square
 [saythanks]:          https://saythanks.io/to/syuilo
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 11db2e6db..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-# appveyor file
-# http://www.appveyor.com/docs/appveyor-yml
-
-environment:
-  matrix:
-    - nodejs_version: 7.3.0
-
-services:
-  - mongodb
-
-build: off
-
-install:
-  # Update Node.js
-  # 標準で入っている Node.js を更新します (2014/11/13 時点では、v0.10.32 が標準)
-  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version)
-  - node --version
-
-  # Update NPM
-  - npm install -g npm
-  - npm --version
-
-  # Update node-gyp
-  # 必須! node-gyp のバージョンを上げないと、ネイティブモジュールのコンパイルに失敗します
-  - npm install -g node-gyp
-
-  - npm install
-
-init:
-  # git clone の際の改行を変換しないようにします
-  - git config --global core.autocrlf false
-
-before_test:
-  # Redisをインストール
-  - nuget install redis-64 -excludeversion
-  - redis-64\tools\redis-server.exe --service-install
-  - redis-64\tools\redis-server.exe --service-start
-
-  - mkdir .\.config
-  - copy .\.ci-files\default.yml .\.config
-  - copy .\.ci-files\test.yml .\.config
-  - npm run build
-
-test_script:
-  - npm test
-
-cache:
-  - node_modules