diff --git a/.github/workflows/cr.yml b/.github/workflows/cr.yml
deleted file mode 100644
index 9545364..0000000
--- a/.github/workflows/cr.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Code Review
-
-permissions:
-  contents: read
-  pull-requests: write
-
-on:
-  pull_request:
-    types: [opened, reopened, synchronize]
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: anc95/ChatGPT-CodeReview@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
-          # Optional
-          OPENAI_API_ENDPOINT: https://api.openai.com/v1
-          MODEL: gpt-3.5-turbo # https://platform.openai.com/docs/models
-          PROMPT: Please answer in Japanese
-          top_p: 1 # https://platform.openai.com/docs/api-reference/chat/create#chat/create-top_p
-          temperature: 1 # https://platform.openai.com/docs/api-reference/chat/create#chat/create-temperature
-          max_tokens: 10000
-          MAX_PATCH_LENGTH: 10000 # if the patch/diff length is large than MAX_PATCH_LENGTH, will be ignored and won't review. By default, with no MAX_PATCH_LENGTH set, there is also no limit for the patch/diff length.
diff --git a/README.md b/README.md
index 6e7c279..ef9e30e 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,6 @@ go build ../build.sh
 
 - [ ] Depandabotのセットアップ
 - [ ] CodeQLのセットアップ
-- [ ] ChatGPT Code Reviewのセットアップ
 
 <details>
 <summary>メモ</summary>
@@ -78,9 +77,6 @@ go build ../build.sh
 - CodeQLのセットアップ
   - https://dev.classmethod.jp/articles/github-code-scanning/
   - [対応言語](https://codeql.github.com/docs/codeql-overview/supported-languages-and-frameworks/)
-- GPT PRのセットアップ
-  - リポジトリの`Secret Value`に`OPENAI_API_KEY`の設定
-  - https://github.com/anc95/ChatGPT-CodeReview/blob/main/README.ja.md
 
 </details>