diff --git a/tests/ProjectStorageBackendTest.php b/tests/ProjectStorageBackendTest.php
index e00fb1a..9387fb4 100644
--- a/tests/ProjectStorageBackendTest.php
+++ b/tests/ProjectStorageBackendTest.php
@@ -139,7 +139,6 @@ public function testProjectStorageAssignBackendFailedWithNonNumericBackendId():
         $this->assertEquals(200, $response->getStatusCode());
 
         $this->client->deleteProject($project['id']);
-        $this->client->purgeDeletedProject($project['id']);
         $this->waitForProjectPurge($project['id']);
 
         $this->client->removeStorageBackend($backend['id']);