diff --git a/lib/modules/ConsultationModule.class.php b/lib/modules/ConsultationModule.class.php
index a502332fe702ae3a74e8b422303d49baa8c36774..3154977dddd1c95b4d112613b2834f170618795e 100644
--- a/lib/modules/ConsultationModule.class.php
+++ b/lib/modules/ConsultationModule.class.php
@@ -12,7 +12,6 @@ class ConsultationModule extends CorePlugin implements StudipModule, SystemPlugi
         NotificationCenter::on('UserDidDelete', function ($event, $user) {
             // Delete consultation bookings and slots
             ConsultationBooking::deleteByUser_id($user->id);
-            ConsultationBlock::deleteByTeacher_id($user->id);
             ConsultationBlock::deleteBySQL("range_id = ? AND range_type = 'user'", [$user->id]);
         });
         NotificationCenter::on('CourseDidDelete', function ($event, $course) {