diff --git a/.github/workflows/apply-ci-quiet-macos-annotations.yml b/.github/workflows/apply-ci-quiet-macos-annotations.yml
deleted file mode 100644
index a49a416..0000000
--- a/.github/workflows/apply-ci-quiet-macos-annotations.yml
+++ /dev/null
@@ -1,80 +0,0 @@
-# trigger: 2
-name: Apply macOS CI annotation cleanup
-
-on:
-  push:
-    branches:
-      - dev
-    paths:
-      - .github/workflows/apply-ci-quiet-macos-annotations.yml
-
-permissions:
-  contents: write
-
-jobs:
-  apply:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout target branch
-        uses: actions/checkout@v5
-        with:
-          ref: fix/ci-quiet-macos-annotations-v2
-          path: target
-          persist-credentials: true
-      - name: Patch target workflow files
-        shell: bash
-        working-directory: target
-        run: |
-          set -euo pipefail
-          python3 - <<'PY'
-          from pathlib import Path
-
-          def patch_file(path: str) -> None:
-              p = Path(path)
-              text = p.read_text()
-              text = text.replace('os: macos-latest', 'os: macos-15')
-              quiet = '''      - name: Quiet Homebrew runner taps
-        if: startsWith(matrix.platform, 'darwin/')
-        shell: bash
-        run: |
-          brew untap aws/tap >/dev/null 2>&1 || true
-
-'''
-              if 'Quiet Homebrew runner taps' not in text:
-                  job_anchor = '    runs-on: ${{ matrix.os }}\n    strategy:'
-                  anchor_index = text.find(job_anchor)
-                  if anchor_index < 0:
-                      raise SystemExit(f'build job anchor not found in {path}')
-                  marker = '      - name: Checkout code\n        uses: actions/checkout@v5\n\n'
-                  marker_index = text.find(marker, anchor_index)
-                  if marker_index < 0:
-                      raise SystemExit(f'build checkout marker not found in {path}')
-                  insert_at = marker_index + len(marker)
-                  text = text[:insert_at] + quiet + text[insert_at:]
-              p.write_text(text)
-
-          patch_file('.github/workflows/dev-build.yml')
-          patch_file('.github/workflows/release.yml')
-          PY
-          git diff --check
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add .github/workflows/dev-build.yml .github/workflows/release.yml
-          git commit -m "ci: quiet macOS workflow annotations"
-          git push origin HEAD:fix/ci-quiet-macos-annotations-v2
-      - name: Checkout dev for cleanup
-        uses: actions/checkout@v5
-        with:
-          ref: dev
-          path: cleanup
-          persist-credentials: true
-      - name: Remove temporary workflow from dev
-        shell: bash
-        working-directory: cleanup
-        run: |
-          set -euo pipefail
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git rm .github/workflows/apply-ci-quiet-macos-annotations.yml
-          git commit -m "chore: remove temporary macOS CI annotation cleanup workflow"
-          git push origin HEAD:dev