diff --git a/clean.ps1 b/clean.ps1
index 0515f827..8036c6fd 100644
--- a/clean.ps1
+++ b/clean.ps1
@@ -20,6 +20,8 @@ Delete 'Tests\obj'
 Delete 'TestResults'
 Delete 'Redirector\bin'
 Delete 'Redirector\obj'
+Delete 'RouteHelper\bin'
+Delete 'RouteHelper\obj'
 
 .\other\clean.ps1