diff --git a/typo3/sysext/core/Tests/Unit/Imaging/IconRegistryTest.php b/typo3/sysext/core/Tests/Unit/Imaging/IconRegistryTest.php
index 397f4330f1080a47ada50c527081d138578e80f6..ac51c291ebe1ce85d8c00fbe9833ae0441b6a6be 100644
--- a/typo3/sysext/core/Tests/Unit/Imaging/IconRegistryTest.php
+++ b/typo3/sysext/core/Tests/Unit/Imaging/IconRegistryTest.php
@@ -17,10 +17,7 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Core\Tests\Unit\Imaging;
 
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
-use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
+use TYPO3\CMS\Core\Cache\Frontend\NullFrontend;
 use TYPO3\CMS\Core\Exception;
 use TYPO3\CMS\Core\Imaging\IconProvider\BitmapIconProvider;
 use TYPO3\CMS\Core\Imaging\IconProviderInterface;
@@ -30,30 +27,12 @@ use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
 class IconRegistryTest extends UnitTestCase
 {
-    use ProphecyTrait;
-
-    /**
-     * @var string
-     */
-    protected string $notRegisteredIconIdentifier = 'my-super-unregistered-identifier';
-
-    /** @var ObjectProphecy<FrontendInterface> */
-    protected ObjectProphecy $cacheFrontendProphecy;
-
-    public function setUp(): void
-    {
-        parent::setUp();
-        $this->cacheFrontendProphecy = $this->prophesize(FrontendInterface::class);
-        $this->cacheFrontendProphecy->get(Argument::cetera())->willReturn(false);
-        $this->cacheFrontendProphecy->set(Argument::cetera())->willReturn(null);
-    }
-
     /**
      * @test
      */
     public function getDefaultIconIdentifierReturnsTheCorrectDefaultIconIdentifierString(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getDefaultIconIdentifier();
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getDefaultIconIdentifier();
         self::assertEquals('default-not-found', $result);
     }
 
@@ -62,7 +41,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function isRegisteredReturnsTrueForRegisteredIcon(): void
     {
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         $result = $subject->isRegistered($subject->getDefaultIconIdentifier());
         self::assertTrue($result);
     }
@@ -72,7 +51,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function isRegisteredReturnsFalseForNotRegisteredIcon(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->isRegistered($this->notRegisteredIconIdentifier);
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->isRegistered('my-super-unregistered-identifier');
         self::assertFalse($result);
     }
 
@@ -82,7 +61,7 @@ class IconRegistryTest extends UnitTestCase
     public function registerIconAddNewIconToRegistry(): void
     {
         $unregisteredIcon = 'foo-bar-unregistered';
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         self::assertFalse($subject->isRegistered($unregisteredIcon));
         $subject->registerIcon($unregisteredIcon, BitmapIconProvider::class, [
             'name' => 'pencil',
@@ -99,7 +78,7 @@ class IconRegistryTest extends UnitTestCase
         $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionCode(1437425803);
 
-        (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->registerIcon($this->notRegisteredIconIdentifier, GeneralUtility::class);
+        (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->registerIcon('my-super-unregistered-identifier', GeneralUtility::class);
     }
 
     /**
@@ -110,7 +89,7 @@ class IconRegistryTest extends UnitTestCase
         $this->expectException(Exception::class);
         $this->expectExceptionCode(1437425804);
 
-        (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconConfigurationByIdentifier($this->notRegisteredIconIdentifier);
+        (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconConfigurationByIdentifier('my-super-unregistered-identifier');
     }
 
     /**
@@ -118,7 +97,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getIconConfigurationByIdentifierReturnsCorrectConfiguration(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconConfigurationByIdentifier('default-not-found');
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconConfigurationByIdentifier('default-not-found');
         // result must contain at least provider and options array
         self::assertArrayHasKey('provider', $result);
         self::assertArrayHasKey('options', $result);
@@ -131,7 +110,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getAllRegisteredIconIdentifiersReturnsAnArrayWithIconIdentifiers(): void
     {
-        self::assertIsArray((new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getAllRegisteredIconIdentifiers());
+        self::assertIsArray((new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getAllRegisteredIconIdentifiers());
     }
 
     /**
@@ -139,7 +118,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getAllRegisteredIconIdentifiersReturnsArrayWithAllRegisteredIconIdentifiers(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getAllRegisteredIconIdentifiers();
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getAllRegisteredIconIdentifiers();
         self::assertIsArray($result);
         self::assertContains('default-not-found', $result);
     }
@@ -149,7 +128,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getIconIdentifierForFileExtensionReturnsDefaultIconIdentifierForEmptyFileExtension(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconIdentifierForFileExtension('');
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconIdentifierForFileExtension('');
         self::assertEquals('mimetypes-other-other', $result);
     }
 
@@ -158,7 +137,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getIconIdentifierForFileExtensionReturnsDefaultIconIdentifierForUnknownFileExtension(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconIdentifierForFileExtension('xyz');
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconIdentifierForFileExtension('xyz');
         self::assertEquals('mimetypes-other-other', $result);
     }
 
@@ -167,7 +146,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getIconIdentifierForFileExtensionReturnsImageIconIdentifierForImageFileExtension(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconIdentifierForFileExtension('jpg');
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconIdentifierForFileExtension('jpg');
         self::assertEquals('mimetypes-media-image', $result);
     }
 
@@ -176,7 +155,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function registerFileExtensionRegisterAnIcon(): void
     {
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         $subject->registerFileExtension('abc', 'xyz');
         $result = $subject->getIconIdentifierForFileExtension('abc');
         self::assertEquals('xyz', $result);
@@ -187,7 +166,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function registerFileExtensionOverwriteAnExistingIcon(): void
     {
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         $subject->registerFileExtension('jpg', 'xyz');
         $result = $subject->getIconIdentifierForFileExtension('jpg');
         self::assertEquals('xyz', $result);
@@ -198,7 +177,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function registerMimeTypeIconRegisterAnIcon(): void
     {
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         $subject->registerMimeTypeIcon('foo/bar', 'mimetype-foo-bar');
         $result = $subject->getIconIdentifierForMimeType('foo/bar');
         self::assertEquals('mimetype-foo-bar', $result);
@@ -209,7 +188,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function registerMimeTypeIconOverwriteAnExistingIcon(): void
     {
-        $subject = new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons');
+        $subject = new IconRegistry(new NullFrontend('test'), 'BackendIcons');
         $subject->registerMimeTypeIcon('video/*', 'mimetype-foo-bar');
         $result = $subject->getIconIdentifierForMimeType('video/*');
         self::assertEquals('mimetype-foo-bar', $result);
@@ -220,7 +199,7 @@ class IconRegistryTest extends UnitTestCase
      */
     public function getIconIdentifierForMimeTypeWithUnknownMimeTypeReturnNull(): void
     {
-        $result = (new IconRegistry($this->cacheFrontendProphecy->reveal(), 'BackendIcons'))->getIconIdentifierForMimeType('bar/foo');
+        $result = (new IconRegistry(new NullFrontend('test'), 'BackendIcons'))->getIconIdentifierForMimeType('bar/foo');
         self::assertNull($result);
     }
 }
diff --git a/typo3/sysext/core/Tests/Unit/Imaging/IconTest.php b/typo3/sysext/core/Tests/Unit/Imaging/IconTest.php
index d9c68daa45d83a0acbca930c003b8ca45eecfacf..c369b29707b3effe32ad72f6c9ac780b6c9d1ff9 100644
--- a/typo3/sysext/core/Tests/Unit/Imaging/IconTest.php
+++ b/typo3/sysext/core/Tests/Unit/Imaging/IconTest.php
@@ -17,11 +17,9 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Core\Tests\Unit\Imaging;
 
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Container\ContainerInterface;
-use Psr\EventDispatcher\EventDispatcherInterface;
-use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
+use TYPO3\CMS\Core\Cache\Frontend\NullFrontend;
+use TYPO3\CMS\Core\EventDispatcher\NoopEventDispatcher;
 use TYPO3\CMS\Core\Imaging\Icon;
 use TYPO3\CMS\Core\Imaging\IconFactory;
 use TYPO3\CMS\Core\Imaging\IconRegistry;
@@ -30,25 +28,16 @@ use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
 class IconTest extends UnitTestCase
 {
-    use ProphecyTrait;
-
     protected ?Icon $subject;
     protected string $iconIdentifier = 'actions-close';
     protected string $overlayIdentifier = 'overlay-readonly';
 
-    /**
-     * Set up
-     */
     protected function setUp(): void
     {
         parent::setUp();
-        $cacheFrontendProphecy = $this->prophesize(FrontendInterface::class);
-        $cacheFrontendProphecy->get(Argument::cetera())->willReturn(false);
-        $cacheFrontendProphecy->set(Argument::cetera())->willReturn(null);
-        $eventDispatcherProphecy = $this->prophesize(EventDispatcherInterface::class);
-        $containerProphecy = $this->prophesize(ContainerInterface::class);
-        $containerProphecy->has(Argument::cetera())->willReturn(false);
-        $iconFactory = new IconFactory($eventDispatcherProphecy->reveal(), new IconRegistry($cacheFrontendProphecy->reveal(), 'BackendIcons'), $containerProphecy->reveal());
+        $containerMock = $this->createMock(ContainerInterface::class);
+        $containerMock->method('has')->with(self::anything())->willReturn(false);
+        $iconFactory = new IconFactory(new NoopEventDispatcher(), new IconRegistry(new NullFrontend('test'), 'BackendIcons'), $containerMock);
         $this->subject = $iconFactory->getIcon($this->iconIdentifier, Icon::SIZE_SMALL, $this->overlayIdentifier, IconState::cast(IconState::STATE_DISABLED));
     }