diff --git a/framework/core/src/Util/Str.php b/framework/core/src/Util/Str.php
deleted file mode 100644
index 15870a156..000000000
--- a/framework/core/src/Util/Str.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-/*
- * This file is part of Flarum.
- *
- * For detailed copyright and license information, please view the
- * LICENSE file that was distributed with this source code.
- */
-
-namespace Flarum\Util;
-
-use Illuminate\Support\Str as Laravel;
-
-class Str
-{
-    /**
-     * @deprecated
-     */
-    public static function slug($str)
-    {
-        return Laravel::slug($str);
-    }
-}