diff --git a/tests/Models/NullSurveyTemplate.php b/tests/Models/NullSurveyTemplate.php
deleted file mode 100644
index a8c535c..0000000
--- a/tests/Models/NullSurveyTemplate.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\Surveys\tests\Models;
-
-use Modules\Surveys\Models\NullSurveyTemplate;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplate
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Surveys\Models\SurveyTemplate', new NullSurveyTemplate());
-    }
-
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplate
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullSurveyTemplate(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullSurveyTemplateElement.php b/tests/Models/NullSurveyTemplateElement.php
deleted file mode 100644
index 37b5c95..0000000
--- a/tests/Models/NullSurveyTemplateElement.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\Surveys\tests\Models;
-
-use Modules\Surveys\Models\NullSurveyTemplateElement;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateElement
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Surveys\Models\SurveyTemplateElement', new NullSurveyTemplateElement());
-    }
-
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateElement
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullSurveyTemplateElement(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullSurveyTemplateElementL11n.php b/tests/Models/NullSurveyTemplateElementL11n.php
deleted file mode 100644
index 2173bc7..0000000
--- a/tests/Models/NullSurveyTemplateElementL11n.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\Surveys\tests\Models;
-
-use Modules\Surveys\Models\NullSurveyTemplateElementL11n;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateElementL11n
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Surveys\Models\SurveyTemplateElementL11n', new NullSurveyTemplateElementL11n());
-    }
-
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateElementL11n
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullSurveyTemplateElementL11n(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullSurveyTemplateL11n.php b/tests/Models/NullSurveyTemplateL11n.php
deleted file mode 100644
index a92f8e3..0000000
--- a/tests/Models/NullSurveyTemplateL11n.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\Surveys\tests\Models;
-
-use Modules\Surveys\Models\NullSurveyTemplateL11n;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateL11n
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Surveys\Models\SurveyTemplateL11n', new NullSurveyTemplateL11n());
-    }
-
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateL11n
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullSurveyTemplateL11n(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/NullSurveyTemplateLabelL11n.php b/tests/Models/NullSurveyTemplateLabelL11n.php
deleted file mode 100644
index da834b3..0000000
--- a/tests/Models/NullSurveyTemplateLabelL11n.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\Surveys\tests\Models;
-
-use Modules\Surveys\Models\NullSurveyTemplateLabelL11n;
-
-/**
- * @internal
- */
-final class Null extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateLabelL11n
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Surveys\Models\SurveyTemplateLabelL11n', new NullSurveyTemplateLabelL11n());
-    }
-
-    /**
-     * @covers Modules\Surveys\Models\NullSurveyTemplateLabelL11n
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullSurveyTemplateLabelL11n(2);
-        self::assertEquals(2, $null->getId());
-    }
-}