diff --git a/apps/files_sharing/lib/Controller/DeletedShareAPIController.php b/apps/files_sharing/lib/Controller/DeletedShareAPIController.php
index 8d93afa4e04..fcd33bd88e6 100644
--- a/apps/files_sharing/lib/Controller/DeletedShareAPIController.php
+++ b/apps/files_sharing/lib/Controller/DeletedShareAPIController.php
@@ -38,7 +38,7 @@ class DeletedShareAPIController extends OCSController {
 		string $appName,
 		IRequest $request,
 		private ShareManager $shareManager,
-		private string $userId,
+		private ?string $userId,
 		private IUserManager $userManager,
 		private IGroupManager $groupManager,
 		private IRootFolder $rootFolder,
diff --git a/apps/files_sharing/lib/Controller/ShareesAPIController.php b/apps/files_sharing/lib/Controller/ShareesAPIController.php
index 3a04dda72a1..9a9e94a7ee2 100644
--- a/apps/files_sharing/lib/Controller/ShareesAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareesAPIController.php
@@ -66,19 +66,10 @@ class ShareesAPIController extends OCSController {
 
 	protected $reachedEndFor = [];
 
-	/**
-	 * @param string $UserId
-	 * @param string $appName
-	 * @param IRequest $request
-	 * @param IConfig $config
-	 * @param IURLGenerator $urlGenerator
-	 * @param IManager $shareManager
-	 * @param ISearch $collaboratorSearch
-	 */
 	public function __construct(
 		string $appName,
 		IRequest $request,
-		protected string $userId,
+		protected ?string $userId,
 		protected IConfig $config,
 		protected IURLGenerator $urlGenerator,
 		protected IManager $shareManager,