diff --git a/lib/Controller/BoardController.php b/lib/Controller/BoardController.php
index a39ad58a5..b884d0581 100644
--- a/lib/Controller/BoardController.php
+++ b/lib/Controller/BoardController.php
@@ -173,6 +173,7 @@ class BoardController extends ApiController {
 	/**
 	 * @NoAdminRequired
 	 * @param $boardId
+	 * @return \OCP\Deck\DB\Board
 	 */
 	public function export($boardId) {
 
diff --git a/lib/Service/BoardService.php b/lib/Service/BoardService.php
index c9b066b07..6a51fe133 100644
--- a/lib/Service/BoardService.php
+++ b/lib/Service/BoardService.php
@@ -63,8 +63,7 @@ use Psr\Container\NotFoundExceptionInterface;
 class BoardService {
 	private BoardMapper $boardMapper;
 	private StackMapper $stackMapper;
-	private LabelMapper $cardMapper;
-	private $labelMapper;
+	private LabelMapper $labelMapper;
 	private AclMapper $aclMapper;
 	private IConfig $config;
 	private IL10N $l10n;
diff --git a/tests/unit/Service/BoardServiceTest.php b/tests/unit/Service/BoardServiceTest.php
index 96007cc21..a54697132 100644
--- a/tests/unit/Service/BoardServiceTest.php
+++ b/tests/unit/Service/BoardServiceTest.php
@@ -114,6 +114,7 @@ class BoardServiceTest extends TestCase {
 		$this->service = new BoardService(
 			$this->boardMapper,
 			$this->stackMapper,
+			$this->cardMapper,
 			$this->config,
 			$this->l10n,
 			$this->labelMapper,
@@ -121,7 +122,6 @@ class BoardServiceTest extends TestCase {
 			$this->permissionService,
 			$this->notificationHelper,
 			$this->assignedUsersMapper,
-			$this->cardMapper,
 			$this->userManager,
 			$this->groupManager,
 			$this->activityManager,