diff --git a/lib/DAV/LockBackend.php b/lib/DAV/LockBackend.php
index e6450a7b..b13c0ac5 100644
--- a/lib/DAV/LockBackend.php
+++ b/lib/DAV/LockBackend.php
@@ -39,7 +39,6 @@
 use OCP\Files\NotFoundException;
 use Sabre\DAV\Locks\Backend\BackendInterface;
 use Sabre\DAV\Locks\LockInfo;
-use Sabre\DAV\Server;
 
 class LockBackend implements BackendInterface {
 	/** @var FileService */
@@ -52,9 +51,8 @@ class LockBackend implements BackendInterface {
 	private $absolute = false;
 
 	public function __construct(
-		Server $server, FileService $fileService, LockService $lockService, bool $absolute
+		FileService $fileService, LockService $lockService, bool $absolute
 	) {
-		$this->server = $server;
 		$this->fileService = $fileService;
 		$this->lockService = $lockService;
 		$this->absolute = $absolute;
diff --git a/lib/DAV/LockPlugin.php b/lib/DAV/LockPlugin.php
index 93975923..61793f34 100644
--- a/lib/DAV/LockPlugin.php
+++ b/lib/DAV/LockPlugin.php
@@ -58,7 +58,7 @@ public function initialize(Server $server) {
 				$absolute = true;
 				break;
 		}
-		$this->locksBackend = new LockBackend($server, $this->fileService, $this->lockService, $absolute);
+		$this->locksBackend = new LockBackend($this->fileService, $this->lockService, $absolute);
 		$server->on('propFind', [$this, 'customProperties']);
 		parent::initialize($server);
 	}