diff --git a/.github/actions/sync/shared-config.rb b/.github/actions/sync/shared-config.rb
index 20ad9210..b9ba8652 100755
--- a/.github/actions/sync/shared-config.rb
+++ b/.github/actions/sync/shared-config.rb
@@ -104,7 +104,6 @@ def git(*args)
   ruby_version,
   rubocop_yaml,
   dependabot_yaml,
-  ".github/workflows/lock-threads.yml",
   ".github/workflows/stale-issues.yml",
 ].each do |path|
   target_path = target_directory_path/path
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b9483d9a..496d0556 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -13,7 +13,6 @@ updates:
     # The actions in triage-issues.yml are updated in the Homebrew/.github repo
     ignore:
       - dependency-name: actions/stale
-      - dependency-name: dessant/lock-threads
     groups:
       artifacts:
         patterns:
diff --git a/.github/workflows/lock-threads.yml b/.github/workflows/lock-threads.yml
deleted file mode 100644
index 92383f83..00000000
--- a/.github/workflows/lock-threads.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-# This file is synced from the `.github` repository, do not modify it directly.
-name: Lock threads
-
-on:
-  push:
-    paths:
-      - .github/workflows/lock-threads.yml
-    branches-ignore:
-      - dependabot/**
-  schedule:
-    # Once every day at 1am UTC
-    - cron: "0 1 * * *"
-  issue_comment:
-
-permissions:
-  issues: write
-  pull-requests: write
-
-concurrency:
-  group: lock-threads
-  cancel-in-progress: ${{ github.event_name != 'issue_comment' }}
-
-jobs:
-  lock-threads:
-    if: github.repository_owner == 'Homebrew' && github.event_name != 'issue_comment'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Lock Outdated Threads
-        uses: dessant/lock-threads@1bf7ec25051fe7c00bdd17e6a7cf3d7bfb7dc771
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          process-only: 'issues, prs'
-          issue-inactive-days: 30
-          add-issue-labels: outdated
-          pr-inactive-days: 30
-          add-pr-labels: outdated