diff --git a/tests/Models/NullQAAnswer.php b/tests/Models/NullQAAnswer.php
deleted file mode 100644
index 9a42a09..0000000
--- a/tests/Models/NullQAAnswer.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 8.0
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://orange-management.org
- */
-declare(strict_types=1);
-
-namespace Modules\QA\tests\Models;
-
-use Modules\QA\Models\NullQAAnswer;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\QA\Models\NullQAAnswer
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\QA\Models\QAAnswer', new NullQAAnswer());
-    }
-
-    /**
-     * @covers Modules\QA\Models\NullQAAnswer
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullQAAnswer(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullQAAnswerVote.php b/tests/Models/NullQAAnswerVote.php
deleted file mode 100644
index c6880ca..0000000
--- a/tests/Models/NullQAAnswerVote.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 8.0
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://orange-management.org
- */
-declare(strict_types=1);
-
-namespace Modules\QA\tests\Models;
-
-use Modules\QA\Models\NullQAAnswerVote;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\QA\Models\NullQAAnswerVote
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\QA\Models\QAAnswerVote', new NullQAAnswerVote());
-    }
-
-    /**
-     * @covers Modules\QA\Models\NullQAAnswerVote
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullQAAnswerVote(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullQAApp.php b/tests/Models/NullQAApp.php
deleted file mode 100644
index a98aff5..0000000
--- a/tests/Models/NullQAApp.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 8.0
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://orange-management.org
- */
-declare(strict_types=1);
-
-namespace Modules\QA\tests\Models;
-
-use Modules\QA\Models\NullQAApp;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\QA\Models\NullQAApp
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\QA\Models\QAApp', new NullQAApp());
-    }
-
-    /**
-     * @covers Modules\QA\Models\NullQAApp
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullQAApp(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullQAQuestion.php b/tests/Models/NullQAQuestion.php
deleted file mode 100644
index 44cffdf..0000000
--- a/tests/Models/NullQAQuestion.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 8.0
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://orange-management.org
- */
-declare(strict_types=1);
-
-namespace Modules\QA\tests\Models;
-
-use Modules\QA\Models\NullQAQuestion;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\QA\Models\NullQAQuestion
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\QA\Models\QAQuestion', new NullQAQuestion());
-    }
-
-    /**
-     * @covers Modules\QA\Models\NullQAQuestion
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullQAQuestion(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullQAQuestionVote.php b/tests/Models/NullQAQuestionVote.php
deleted file mode 100644
index 492e307..0000000
--- a/tests/Models/NullQAQuestionVote.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 8.0
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://orange-management.org
- */
-declare(strict_types=1);
-
-namespace Modules\QA\tests\Models;
-
-use Modules\QA\Models\NullQAQuestionVote;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\QA\Models\NullQAQuestionVote
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\QA\Models\QAQuestionVote', new NullQAQuestionVote());
-    }
-
-    /**
-     * @covers Modules\QA\Models\NullQAQuestionVote
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullQAQuestionVote(2);
-        self::assertEquals(2, $null->getId());
-    }
-}