diff --git a/Handler/OnRequest.php b/Handler/OnRequest.php
index 436af8f..dca4f42 100644
--- a/Handler/OnRequest.php
+++ b/Handler/OnRequest.php
@@ -20,7 +20,6 @@ use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\UriInterface;
 use Swoole\Http\Request;
 use Swoole\Http\Response;
-use const Kiri\Router\ROUTER_TYPE_HTTP;
 
 /**
  * OnRequest event