diff --git a/test/Page/MvcTest.php b/test/Page/MvcTest.php
index 4c9e2bc..d533de3 100644
--- a/test/Page/MvcTest.php
+++ b/test/Page/MvcTest.php
@@ -28,6 +28,10 @@
  */
 class MvcTest extends TestCase
 {
+    private RegexRoute $route;
+    private TreeRouteStack $router;
+    private RouteMatch $routeMatch;
+
     protected function setUp(): void
     {
         $this->route = new RegexRoute(
diff --git a/test/Service/AbstractNavigationFactoryTest.php b/test/Service/AbstractNavigationFactoryTest.php
index ec9e57b..76913d7 100644
--- a/test/Service/AbstractNavigationFactoryTest.php
+++ b/test/Service/AbstractNavigationFactoryTest.php
@@ -23,6 +23,8 @@
  */
 class AbstractNavigationFactoryTest extends TestCase
 {
+    private TestAsset\TestNavigationFactory $factory;
+
     public function setUp(): void
     {
         $this->factory = new TestAsset\TestNavigationFactory();
@@ -54,17 +56,13 @@ public function testCanCreateNavigationInstanceV2()
         $mvcEventStub->setRouteMatch(new Router\RouteMatch([]));
         $mvcEventStub->setRouter(new Router\Http\TreeRouteStack());
 
-        $applicationMock = $this->getMockBuilder(Application::class)
-            ->disableOriginalConstructor()
-            ->getMock();
+        $applicationMock = $this->createMock(Application::class);
 
         $applicationMock->expects($this->any())
             ->method('getMvcEvent')
             ->willReturn($mvcEventStub);
 
-        $serviceManagerMock = $this->getMockBuilder(ServiceManager::class)
-            ->disableOriginalConstructor()
-            ->getMock();
+        $serviceManagerMock = $this->createMock(ServiceManager::class);
 
         $serviceManagerMock->expects($this->any())
             ->method('get')
diff --git a/test/ServiceFactoryTest.php b/test/ServiceFactoryTest.php
index f4af539..7adc941 100644
--- a/test/ServiceFactoryTest.php
+++ b/test/ServiceFactoryTest.php
@@ -16,6 +16,7 @@
 use Laminas\Router\RouteMatch;
 use Laminas\Router\RouteStackInterface;
 use Laminas\ServiceManager\ServiceManager;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Psr\Container\ContainerInterface;
 
@@ -29,6 +30,10 @@ class ServiceFactoryTest extends TestCase
     /** @var ServiceManager */
     protected $serviceManager;
 
+    private MockObject $router;
+    private MockObject $request;
+    private MvcEvent $mvcEvent;
+
     /**
      * Prepares the environment before running a test.
      */