diff --git a/backend/views/layouts/main.php b/backend/views/layouts/main.php
index 6d374ff..e611e9f 100755
--- a/backend/views/layouts/main.php
+++ b/backend/views/layouts/main.php
@@ -11,7 +11,6 @@
     use artweb\artbox\core\widgets\FlashWidget;
     use hiqdev\assets\icheck\iCheckAsset;
     use hiqdev\assets\pnotify\PNotifyAsset;
-    use yii\helpers\Html;
     use yii\bootstrap\Html;
     use yii\web\UrlManager;
     use yii\web\View;
--
libgit2 0.21.4