diff --git a/Neos.Neos/Classes/Domain/Service/UserService.php b/Neos.Neos/Classes/Domain/Service/UserService.php
index <HASH>..<HASH> 100644
--- a/Neos.Neos/Classes/Domain/Service/UserService.php
+++ b/Neos.Neos/Classes/Domain/Service/UserService.php
@@ -310,7 +310,10 @@ class UserService
     public function deleteUser(User $user)
     {
         foreach ($user->getAccounts() as $account) {
-            $this->deletePersonalWorkspace($account->getAccountIdentifier());
+            $this->securityContext->withoutAuthorizationChecks(function () use ($account) {
+                $this->deletePersonalWorkspace($account->getAccountIdentifier());
+            });
+
             $this->accountRepository->remove($account);
         }
BUGFIX: Deletion of backend users

Backend users can now be deleted, even if they have a private workspace.