diff --git a/apps/contactsinteraction/lib/AddressBook.php b/apps/contactsinteraction/lib/AddressBook.php
index 60c9eccece38c..601bc3669935b 100644
--- a/apps/contactsinteraction/lib/AddressBook.php
+++ b/apps/contactsinteraction/lib/AddressBook.php
@@ -57,12 +57,12 @@ public function createFile($name, $data = null) {
 	public function getChild($name): Card {
 		try {
 			return new Card(
+				$this->mapper,
 				$this->mapper->find(
 					$this->getUid(),
 					(int)$name
 				),
-				$this->principalUri,
-				$this->getACL()
+				$this->principalUri
 			);
 		} catch (DoesNotExistException $ex) {
 			throw new NotFound('Contact does not exist: ' . $ex->getMessage(), 0, $ex);
@@ -76,9 +76,9 @@ public function getChildren(): array {
 		return array_map(
 			function (RecentContact $contact) {
 				return new Card(
+					$this->mapper,
 					$contact,
-					$this->principalUri,
-					$this->getACL()
+					$this->principalUri
 				);
 			},
 			$this->mapper->findAll($this->getUid())
@@ -141,6 +141,11 @@ public function getACL(): array {
 				'principal' => $this->getOwner(),
 				'protected' => true,
 			],
+			[
+				'privilege' => '{DAV:}unbind',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			],
 		];
 	}
 
diff --git a/apps/contactsinteraction/lib/Card.php b/apps/contactsinteraction/lib/Card.php
index bf0acca7bd5ae..cfd6798ab0652 100644
--- a/apps/contactsinteraction/lib/Card.php
+++ b/apps/contactsinteraction/lib/Card.php
@@ -9,6 +9,7 @@
 namespace OCA\ContactsInteraction;
 
 use OCA\ContactsInteraction\Db\RecentContact;
+use OCA\ContactsInteraction\Db\RecentContactMapper;
 use Sabre\CardDAV\ICard;
 use Sabre\DAV\Exception\NotImplemented;
 use Sabre\DAVACL\ACLTrait;
@@ -18,9 +19,9 @@ class Card implements ICard, IACL {
 	use ACLTrait;
 
 	public function __construct(
+		private RecentContactMapper $mapper,
 		private RecentContact $contact,
 		private string $principal,
-		private array $acls,
 	) {
 	}
 
@@ -35,7 +36,13 @@ public function getOwner(): ?string {
 	 * @inheritDoc
 	 */
 	public function getACL(): array {
-		return $this->acls;
+		return [
+			[
+				'privilege' => '{DAV:}read',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			],
+		];
 	}
 
 	/**
@@ -84,7 +91,7 @@ public function getSize(): int {
 	 * @inheritDoc
 	 */
 	public function delete(): void {
-		throw new NotImplemented();
+		$this->mapper->delete($this->contact);
 	}
 
 	/**