diff --git a/code/Controller/AssetAdmin.php b/code/Controller/AssetAdmin.php
index 76d4864d9..c107886db 100644
--- a/code/Controller/AssetAdmin.php
+++ b/code/Controller/AssetAdmin.php
@@ -59,6 +59,9 @@ class AssetAdmin extends LeftAndMain implements PermissionProvider
 
     private static $menu_icon_class = 'font-icon-image';
 
+    /**
+     * @deprecated 5.4.0 Will be renamed model_class
+     */
     private static $tree_class = Folder::class;
 
     private static $url_handlers = [