diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
deleted file mode 100644
index 8be1696..0000000
--- a/.github/workflows/codeql.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: codeql
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-  schedule:
-    - cron: "0 0 * * 0"  # weekly
-
-permissions:
-  actions: read
-  contents: read
-  security-events: write
-
-jobs:
-  analyze:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ruby]
-    steps:
-      - uses: actions/checkout@v7
-      - uses: github/codeql-action/init@v3
-        with:
-          languages: ${{ matrix.language }}
-      - uses: github/codeql-action/analyze@v3