diff --git a/common/framework/router.php b/common/framework/router.php
index 5b7c9f7ae..ca667e0f4 100644
--- a/common/framework/router.php
+++ b/common/framework/router.php
@@ -2,8 +2,6 @@
 
 namespace Rhymix\Framework;
 
-use function Complex\sec;
-
 /**
  * The router class.
  */