diff --git a/src/Application/UseCases/Campaign/Create/CreateCampaign.php b/src/Application/UseCases/Campaign/Create/CreateCampaign.php
index fd7525a..6d8ff11 100644
--- a/src/Application/UseCases/Campaign/Create/CreateCampaign.php
+++ b/src/Application/UseCases/Campaign/Create/CreateCampaign.php
@@ -5,8 +5,7 @@ declare(strict_types=1);
 namespace Application\UseCases\Campaign\Create;
 
 use Application\UseCases\Campaign\Create\Outputs\CampaignCreated;
-use Application\UseCases\Campaign\Create\Outputs\CampaignCreationFailed;
-use Application\UseCases\Campaign\Create\Outputs\CreateCampaignError;
+use Application\UseCases\Campaign\Create\Outputs\CampaignNameAlreadyExists;
 use Domain\Models\Entities\Campaign;
 use Domain\Ports\Repositories\CampaignRepository;
 use Shared\DDD\UseCases\Input as BaseInput;
@@ -29,7 +28,7 @@ final readonly class CreateCampaign implements UseCase, Transactional
         Assert::isInstanceOf($input, Input::class);
 
         if ($this->repository->existsByName($input->name)) {
-            return new CampaignCreationFailed(CreateCampaignError::CampaignNameAlreadyExists);
+            return new CampaignNameAlreadyExists();
         }
 
         $campaign = Campaign::create(
diff --git a/src/Application/UseCases/Campaign/Create/Outputs/CampaignCreationFailed.php b/src/Application/UseCases/Campaign/Create/Outputs/CampaignCreationFailed.php
deleted file mode 100644
index bdb51f8..0000000
--- a/src/Application/UseCases/Campaign/Create/Outputs/CampaignCreationFailed.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Application\UseCases\Campaign\Create\Outputs;
-
-use Shared\DDD\UseCases\Output as UseCaseOutput;
-
-final readonly class CampaignCreationFailed implements UseCaseOutput
-{
-    public function __construct(
-        public CreateCampaignError $error,
-    ) {
-    }
-}
diff --git a/src/Application/UseCases/Campaign/Create/Outputs/CampaignNameAlreadyExists.php b/src/Application/UseCases/Campaign/Create/Outputs/CampaignNameAlreadyExists.php
new file mode 100644
index 0000000..01b9654
--- /dev/null
+++ b/src/Application/UseCases/Campaign/Create/Outputs/CampaignNameAlreadyExists.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Application\UseCases\Campaign\Create\Outputs;
+
+use Shared\DDD\UseCases\Output as UseCaseOutput;
+
+final readonly class CampaignNameAlreadyExists implements UseCaseOutput
+{
+}
diff --git a/src/Application/UseCases/Campaign/Create/Outputs/CreateCampaignError.php b/src/Application/UseCases/Campaign/Create/Outputs/CreateCampaignError.php
deleted file mode 100644
index 84b9b20..0000000
--- a/src/Application/UseCases/Campaign/Create/Outputs/CreateCampaignError.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Application\UseCases\Campaign\Create\Outputs;
-
-enum CreateCampaignError: string
-{
-    case CampaignNameAlreadyExists = 'campaign_name_already_exists';
-    case NotEnoughCoupons          = 'not_enough_coupons_provided';
-}
diff --git a/tests/Unit/Application/UseCases/Campaign/Create/CreateCampaignTest.php b/tests/Unit/Application/UseCases/Campaign/Create/CreateCampaignTest.php
index b8c681c..f3168d4 100644
--- a/tests/Unit/Application/UseCases/Campaign/Create/CreateCampaignTest.php
+++ b/tests/Unit/Application/UseCases/Campaign/Create/CreateCampaignTest.php
@@ -5,10 +5,9 @@ declare(strict_types=1);
 namespace Tests\Unit\Application\UseCases\Campaign\Create;
 
 use Application\UseCases\Campaign\Create\Outputs\CampaignCreated;
-use Application\UseCases\Campaign\Create\Outputs\CampaignCreationFailed;
 use Application\UseCases\Campaign\Create\CreateCampaign;
 use Application\UseCases\Campaign\Create\Input;
-use Application\UseCases\Campaign\Create\Outputs\CreateCampaignError;
+use Application\UseCases\Campaign\Create\Outputs\CampaignNameAlreadyExists;
 use Domain\Models\Entities\Campaign;
 use Domain\Models\ValueObjects\Actor\ActorId;
 use Domain\Models\ValueObjects\Brand\BrandCode;
@@ -20,7 +19,7 @@ use Domain\Models\ValueObjects\Coupon\CouponCode;
 use Domain\Ports\Repositories\CampaignRepository;
 use Domain\Models\ValueObjects\PrintRules;
 
-covers(CreateCampaign::class, Input::class, CampaignCreated::class, CampaignCreationFailed::class);
+covers(CreateCampaign::class, Input::class, CampaignCreated::class, CampaignNameAlreadyExists::class);
 
 describe('create campaign use case', function (): void {
     $makeInput = fn (array $overrides = []): Input => new Input(...array_merge([
@@ -72,7 +71,6 @@ describe('create campaign use case', function (): void {
         $result = $useCase->execute($input);
 
         // THEN
-        expect($result)->toBeInstanceOf(CampaignCreationFailed::class)
-            ->and($result->error)->toBe(CreateCampaignError::CampaignNameAlreadyExists);
+        expect($result)->toBeInstanceOf(CampaignNameAlreadyExists::class);
     });
 });