diff --git a/tests/DataSources/Users.php b/tests/DataSources/Users.php
deleted file mode 100644
index 00826a9..0000000
--- a/tests/DataSources/Users.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\StaticWebsiteGenerator\Tests\DataSources;
-
-use Doctrine\SkeletonMapper\DataSource\DataSource;
-
-class Users implements DataSource
-{
-    /** @return mixed[][] */
-    public function getSourceRows(): array
-    {
-        return [
-            ['username' => 'jwage'],
-            ['username' => 'ocramius'],
-        ];
-    }
-}
diff --git a/tests/FunctionalTest.php b/tests/FunctionalTest.php
index 422fa4c..b14e185 100644
--- a/tests/FunctionalTest.php
+++ b/tests/FunctionalTest.php
@@ -4,19 +4,7 @@
 
 namespace Doctrine\StaticWebsiteGenerator\Tests;
 
-use Doctrine\Common\EventManager;
-use Doctrine\Persistence\Mapping\ClassMetadata;
 use Doctrine\RST\Parser as RSTParser;
-use Doctrine\SkeletonMapper\DataSource\DataSourceObjectDataRepository;
-use Doctrine\SkeletonMapper\Hydrator\BasicObjectHydrator;
-use Doctrine\SkeletonMapper\Mapping\ClassMetadataFactory;
-use Doctrine\SkeletonMapper\Mapping\ClassMetadataInstantiator;
-use Doctrine\SkeletonMapper\ObjectFactory;
-use Doctrine\SkeletonMapper\ObjectIdentityMap;
-use Doctrine\SkeletonMapper\ObjectManager;
-use Doctrine\SkeletonMapper\ObjectRepository\ObjectRepositoryFactory;
-use Doctrine\SkeletonMapper\ObjectRepository\ObjectRepositoryInterface;
-use Doctrine\SkeletonMapper\Persister\ObjectPersisterFactory;
 use Doctrine\StaticWebsiteGenerator\Controller\ControllerExecutor;
 use Doctrine\StaticWebsiteGenerator\Controller\ControllerProvider;
 use Doctrine\StaticWebsiteGenerator\Controller\ResponseFactory;
@@ -35,7 +23,6 @@
 use Doctrine\StaticWebsiteGenerator\SourceFile\SourceFilesBuilder;
 use Doctrine\StaticWebsiteGenerator\Tests\Controllers\HomepageController;
 use Doctrine\StaticWebsiteGenerator\Tests\Controllers\UserController;
-use Doctrine\StaticWebsiteGenerator\Tests\DataSources\Users;
 use Doctrine\StaticWebsiteGenerator\Tests\Models\User;
 use Doctrine\StaticWebsiteGenerator\Tests\Repositories\UserRepository;
 use Doctrine\StaticWebsiteGenerator\Tests\Requests\UserRequests;
@@ -62,10 +49,10 @@ public function testBuild(): void
 
         $responseFactory = new ResponseFactory();
 
-        $objectManager = $this->createObjectManager();
+        $user1 = new User('jwage');
+        $user2 = new User('ocramius');
 
-        $userRepository = $objectManager->getRepository(User::class);
-        assert($userRepository instanceof UserRepository);
+        $userRepository = new UserRepository([$user1, $user2]);
 
         $controllerProvider = new ControllerProvider([
             HomepageController::class => new HomepageController($userRepository, $responseFactory),
@@ -186,44 +173,4 @@ private function getFileContents(string $buildDir, string $file): string
 
         return $contents;
     }
-
-    private function createObjectManager(): ObjectManager
-    {
-        $objectRepositoryFactory = new ObjectRepositoryFactory();
-
-        $objectPersisterFactory = new ObjectPersisterFactory();
-
-        /** @var \Doctrine\Persistence\Mapping\ClassMetadataFactory<ClassMetadata<object>> $classMetadataFactory */
-        $classMetadataFactory = new ClassMetadataFactory(
-            new ClassMetadataInstantiator(),
-        );
-
-        $objectIdentityMap = new ObjectIdentityMap($objectRepositoryFactory);
-
-        $eventManager = new EventManager();
-
-        $objectManager = new ObjectManager(
-            $objectRepositoryFactory,
-            $objectPersisterFactory,
-            $objectIdentityMap,
-            $classMetadataFactory,
-            $eventManager,
-        );
-
-        $objectFactory  = new ObjectFactory();
-        $objectHydrator = new BasicObjectHydrator($objectManager);
-        /** @var ObjectRepositoryInterface<object> $userRepository */
-        $userRepository = new UserRepository(
-            $objectManager,
-            new DataSourceObjectDataRepository($objectManager, new Users(), User::class),
-            $objectFactory,
-            $objectHydrator,
-            $eventManager,
-            User::class,
-        );
-
-        $objectRepositoryFactory->addObjectRepository(User::class, $userRepository);
-
-        return $objectManager;
-    }
 }
diff --git a/tests/Models/User.php b/tests/Models/User.php
index d008a85..92a8252 100644
--- a/tests/Models/User.php
+++ b/tests/Models/User.php
@@ -4,24 +4,10 @@
 
 namespace Doctrine\StaticWebsiteGenerator\Tests\Models;
 
-use Doctrine\SkeletonMapper\Hydrator\HydratableInterface;
-use Doctrine\SkeletonMapper\Mapping\ClassMetadataInterface;
-use Doctrine\SkeletonMapper\Mapping\LoadMetadataInterface;
-use Doctrine\SkeletonMapper\ObjectManagerInterface;
-
-class User implements HydratableInterface, LoadMetadataInterface
+class User
 {
-    private string $username;
-
-    public static function loadMetadata(ClassMetadataInterface $metadata): void
-    {
-        $metadata->setIdentifier(['username']);
-    }
-
-    /** @param mixed[] $project */
-    public function hydrate(array $project, ObjectManagerInterface $objectManager): void
+    public function __construct(private string $username)
     {
-        $this->username = (string) ($project['username'] ?? '');
     }
 
     public function getUsername(): string
diff --git a/tests/Repositories/UserRepository.php b/tests/Repositories/UserRepository.php
index c4871ad..004a398 100644
--- a/tests/Repositories/UserRepository.php
+++ b/tests/Repositories/UserRepository.php
@@ -4,22 +4,35 @@
 
 namespace Doctrine\StaticWebsiteGenerator\Tests\Repositories;
 
-use Doctrine\SkeletonMapper\ObjectRepository\BasicObjectRepository;
 use Doctrine\StaticWebsiteGenerator\Tests\Models\User;
 
+use function array_filter;
+use function array_pop;
 use function assert;
 
-/**
- * @template T of User
- * @template-extends BasicObjectRepository<T>
- */
-class UserRepository extends BasicObjectRepository
+/** @template T of User */
+class UserRepository
 {
+    /** @param list<User> $users */
+    public function __construct(private array $users)
+    {
+    }
+
     public function findOneByUsername(string $username): User
     {
-        $user = $this->findOneBy(['username' => $username]);
+        $users = array_filter($this->findAll(), static function (User $user) use ($username) {
+            return $user->getUsername() === $username;
+        });
+        $user  = array_pop($users);
+
         assert($user instanceof User);
 
         return $user;
     }
+
+    /** @return User[] */
+    public function findAll(): array
+    {
+        return $this->users;
+    }
 }