diff --git a/backend/src/SignDocument/Controller/DigitalSignatureController.php b/backend/src/SignDocument/Controller/DigitalSignatureController.php
index 5baf49f..5e836f4 100644
--- a/backend/src/SignDocument/Controller/DigitalSignatureController.php
+++ b/backend/src/SignDocument/Controller/DigitalSignatureController.php
@@ -7,12 +7,10 @@ namespace App\SignDocument\Controller;
 use App\Infrastructure\Traits\ApiHelperTrait;
 use App\SignDocument\Api\Request\DigitalSignatureRequest;
 use App\SignDocument\Services\DigitalSignatureService;
-use PHPUnit\Event\RuntimeException;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
-use Exception;
 
 class DigitalSignatureController extends AbstractController
 {