diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 00000000000000..062096feee50a1
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,7 @@
+# YJIT sources and tests
+yjit*      @ruby/yjit
+yjit/**/*  @ruby/yjit
+doc/yjit/* @ruby/yjit
+bootstraptest/test_yjit* @ruby/yjit
+test/ruby/test_yjit*     @ruby/yjit
+yjit/src/cruby_bindings.inc.rs
diff --git a/.github/auto_request_review.yml b/.github/auto_request_review.yml
deleted file mode 100644
index 8726df577d39eb..00000000000000
--- a/.github/auto_request_review.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-files:
-  'yjit*': [team:yjit]
-  'yjit/**/*': [team:yjit]
-  'yjit/src/cruby_bindings.inc.rs': []
-  'doc/yjit/*': [team:yjit]
-  'bootstraptest/test_yjit*': [team:yjit]
-  'test/ruby/test_yjit*': [team:yjit]
-options:
-  ignore_draft: true
-  # This currently doesn't work as intended. We want to skip reviews when only
-  # cruby_bingings.inc.rs is modified, but this skips reviews even when other
-  # yjit files are modified as well. To be enabled after fixing the behavior.
-  #last_files_match_only: true
diff --git a/.github/workflows/auto_request_review.yml b/.github/workflows/auto_request_review.yml
deleted file mode 100644
index ca27244b46547b..00000000000000
--- a/.github/workflows/auto_request_review.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Auto Request Review
-on:
-  pull_request_target:
-    types: [opened, ready_for_review, reopened]
-
-permissions:
-  contents: read
-
-jobs:
-  auto-request-review:
-    name: Auto Request Review
-    runs-on: ubuntu-latest
-    if: ${{ github.repository == 'ruby/ruby' && github.base_ref == 'master' }}
-    steps:
-      - name: Request review based on files changes and/or groups the author belongs to
-        uses: necojackarc/auto-request-review@e89da1a8cd7c8c16d9de9c6e763290b6b0e3d424 # v0.13.0
-        with:
-          # scope: public_repo
-          token: ${{ secrets.MATZBOT_GITHUB_TOKEN }}