diff --git a/src/mibew/libs/classes/Mibew/Controller/Chat/OperatorChatController.php b/src/mibew/libs/classes/Mibew/Controller/Chat/OperatorChatController.php
index 1389ea0b..b5a5687c 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Chat/OperatorChatController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Chat/OperatorChatController.php
@@ -20,7 +20,6 @@
 namespace Mibew\Controller\Chat;
 
 use Mibew\Http\Exception\NotFoundException;
-use Mibew\Style\PageStyle;
 use Mibew\Thread;
 use Symfony\Component\HttpFoundation\Request;