diff --git a/tests/php-unit-tests/unitary-tests/setup/unattended-install/InstallationFileServiceTest.php b/tests/php-unit-tests/unitary-tests/setup/unattended-install/InstallationFileServiceTest.php
index 26a97a122..2868a8742 100644
--- a/tests/php-unit-tests/unitary-tests/setup/unattended-install/InstallationFileServiceTest.php
+++ b/tests/php-unit-tests/unitary-tests/setup/unattended-install/InstallationFileServiceTest.php
@@ -4,9 +4,10 @@ namespace Combodo\iTop\Test\UnitTest\Setup\UnattendedInstall;
 
 use PHPUnit\Framework\TestCase;
 
+/**
+ * @group itop-clone-only
+ */
 class InstallationFileServiceTest extends TestCase {
-	private $sFolderToCleanup;
-
 	protected function setUp(): void {
 		parent::setUp();
 		require_once(dirname(__FILE__, 6) . '/setup/unattended-install/InstallationFileService.php');