diff --git a/lib/Service/CardService.php b/lib/Service/CardService.php
index 8b7d781cd..5d228b73d 100644
--- a/lib/Service/CardService.php
+++ b/lib/Service/CardService.php
@@ -596,16 +596,4 @@ class CardService {
 
 		$this->eventDispatcher->dispatchTyped(new CardUpdatedEvent($card));
 	}
-
-	/**
-	 *
-	 * @return array
-	 * @throws \OCA\Deck\NoPermissionException
-	 * @throws BadRequestException
-	 */
-	public function findAllWithDue($userId) {
-		$cards = $this->cardMapper->findAllWithDue($userId);
-
-		return $cards;
-	}
 }
diff --git a/lib/Service/StackService.php b/lib/Service/StackService.php
index d8baedcae..93de14018 100644
--- a/lib/Service/StackService.php
+++ b/lib/Service/StackService.php
@@ -48,7 +48,6 @@ class StackService {
 	private $assignedUsersMapper;
 	private $attachmentService;
 	private $activityManager;
-	private $symfonyAdapter;
 	private $changeHelper;
 
 	public function __construct(
@@ -110,6 +109,7 @@ class StackService {
 			throw new BadRequestException('stack id must be a number');
 		}
 
+		$this->permissionService->checkPermission($this->stackMapper, $stackId, Acl::PERMISSION_READ);
 		$stack = $this->stackMapper->find($stackId);
 		$cards = $this->cardMapper->findAll($stackId);
 		foreach ($cards as $cardIndex => $card) {