diff --git a/zmsapi/src/Zmsapi/WorkstationUpdate.php b/zmsapi/src/Zmsapi/WorkstationUpdate.php
index 84cb71c46..00afa2016 100644
--- a/zmsapi/src/Zmsapi/WorkstationUpdate.php
+++ b/zmsapi/src/Zmsapi/WorkstationUpdate.php
@@ -26,7 +26,6 @@ public function readResponse(
         $input = Validator::input()->isJson()->assertValid()->getValue();
         $entity = new \BO\Zmsentities\Workstation($input);
         $entity->testValid();
-        Helper\User::testWorkstationAssigend($entity, $resolveReferences);
         Helper\User::testWorkstationIsOveraged($entity);
         if ($entity->getUseraccount()->id != $currentWorkstation->getUseraccount()->id) {
             throw new Exception\Workstation\WorkstationAccessFailed();