diff --git a/app/controllers/course/timesrooms.php b/app/controllers/course/timesrooms.php
index a1c527f4154a30335694685150bce6e9f52c4025..783f5d2be57a55d5b3947a9bd83d5c547a4ded5f 100644
--- a/app/controllers/course/timesrooms.php
+++ b/app/controllers/course/timesrooms.php
@@ -1,8 +1,4 @@
 <?php
-
-use Studip\ResourceBookingException;
-use Studip\ResourceBookingOverlapException;
-
 /**
  * @author  David Siegfried <david.siegfried@uni-vechta.de>
  * @license GPL2 or any later version