diff --git a/extensions/lock/extend.php b/extensions/lock/extend.php
index 4cd1b633a..17d18685f 100644
--- a/extensions/lock/extend.php
+++ b/extensions/lock/extend.php
@@ -29,6 +29,5 @@ return [
         $events->subscribe(Listener\SaveLockedToDatabase::class);
 
         $events->subscribe(Access\DiscussionPolicy::class);
-        $events->subscribe(Access\PostPolicy::class);
     },
 ];
diff --git a/extensions/lock/src/Access/PostPolicy.php b/extensions/lock/src/Access/PostPolicy.php
deleted file mode 100755
index a73a55dfa..000000000
--- a/extensions/lock/src/Access/PostPolicy.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-
-/*
- * This file is part of Flarum.
- *
- * (c) Toby Zerner <toby.zerner@gmail.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Flarum\Lock\Access;
-
-use Flarum\Post\Post;
-use Flarum\User\AbstractPolicy;
-use Flarum\User\User;
-
-class PostPolicy extends AbstractPolicy
-{
-    /**
-     * {@inheritdoc}
-     */
-    protected $model = Post::class;
-
-    /**
-     * @param User $actor
-     * @param Post $post
-     * @return bool
-     */
-    public function edit(User $actor, Post $post)
-    {
-        $discussion = $post->discussion;
-        if ($discussion->is_locked && $actor->cannot('lock', $discussion)) {
-            return false;
-        }
-    }
-}