diff --git a/tests/Unit/Service/AntiSpamServiceTest.php b/tests/Unit/Service/AntiSpamServiceTest.php
index 340afe3de0..aec523c2ac 100644
--- a/tests/Unit/Service/AntiSpamServiceTest.php
+++ b/tests/Unit/Service/AntiSpamServiceTest.php
@@ -34,6 +34,8 @@ class AntiSpamServiceTest extends TestCase {
 	private SmtpClientFactory|MockObject $smtpClientFactory;
 	private MockObject|ImapMessageMapper $imapMessageMapper;
 	private LoggerInterface|MockObject $logger;
+	private MockObject|IMailTransmission $transmission;
+	private MailManager|MockObject $mailManager;
 
 	protected function setUp(): void {
 		parent::setUp();
diff --git a/tests/Unit/Service/OutboxServiceTest.php b/tests/Unit/Service/OutboxServiceTest.php
index ca2730f794..3cbc78c5f8 100644
--- a/tests/Unit/Service/OutboxServiceTest.php
+++ b/tests/Unit/Service/OutboxServiceTest.php
@@ -63,6 +63,7 @@ class OutboxServiceTest extends TestCase {
 
 	/** @var MockObject|LoggerInterface */
 	private $logger;
+	private MockObject|Chain $chain;
 
 	protected function setUp(): void {
 		parent::setUp();