diff --git a/backend/widgets/NotificationCountWidget.php b/backend/widgets/NotificationCountWidget.php
index ed81568..6712f7e 100644
--- a/backend/widgets/NotificationCountWidget.php
+++ b/backend/widgets/NotificationCountWidget.php
@@ -14,12 +14,15 @@ class NotificationCountWidget extends Widget
 	public function run()
 	{
 		$count = 0;
-		foreach (\Yii::$app->params['notifications'] as $notification) {
-			$count += $notification['count'];
+
+		if (isset(\Yii::$app->params['notifications'])) {
+			foreach ( \Yii::$app->params['notifications'] as $notification ) {
+				$count += $notification['count'];
+			}
 		}
 
 		return $this->render('notification-count', [
-			'notifications' => \Yii::$app->params['notifications'],
+			'notifications' => isset(\Yii::$app->params['notifications']) ? \Yii::$app->params['notifications'] : [],
 			'count' => $count,
 		]);
 	}
diff --git a/backend/widgets/views/notification-count.php b/backend/widgets/views/notification-count.php
index 53a8148..75bab25 100644
--- a/backend/widgets/views/notification-count.php
+++ b/backend/widgets/views/notification-count.php
@@ -17,7 +17,9 @@ use yii\helpers\Url;
 <li class="dropdown notifications-menu">
 	<a href="#" class="dropdown-toggle" data-toggle="dropdown">
 		<i class="fa fa-bell-o"></i>
-		<span class="label label-warning"><?= $count ?></span>
+		<?php if ($count > 0): ?>
+			<span class="label label-warning"><?= $count ?></span>
+		<?php endif; ?>
 	</a>
 	<ul class="dropdown-menu">
 		<li class="header"><?= Yii::t('main', 'You have {count} notifications', ['count' => $count]) ?></li>
diff --git a/common/modules/banners/widgets/BannerWidget.php b/common/modules/banners/widgets/BannerWidget.php
index 2f1ca5d..027b7c3 100644
--- a/common/modules/banners/widgets/BannerWidget.php
+++ b/common/modules/banners/widgets/BannerWidget.php
@@ -8,7 +8,6 @@ namespace common\modules\banners\widgets;
 
 use common\modules\banners\entities\Banner;
 use common\modules\banners\entities\BannerPlace;
-use common\modules\banners\helpers\BannerHelper;
 use yii\base\Widget;
 
 class BannerWidget extends Widget