diff --git a/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckinTest.php b/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckinTest.php
index 5397aae196..b6bb7801a7 100644
--- a/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckinTest.php
+++ b/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckinTest.php
@@ -14,7 +14,6 @@ use App\Notifications\CheckinAssetNotification;
 use App\Notifications\CheckinLicenseSeatNotification;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Facades\Notification;
-use Tests\Support\AssertsAgainstSlackNotifications;
 use Tests\Support\InteractsWithSettings;
 use Tests\TestCase;
 
@@ -23,7 +22,6 @@ use Tests\TestCase;
  */
 class SlackNotificationsUponCheckinTest extends TestCase
 {
-    use AssertsAgainstSlackNotifications;
     use InteractsWithSettings;
 
     protected function setUp(): void
diff --git a/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckoutTest.php b/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckoutTest.php
index fd628d35ed..550f7c5b18 100644
--- a/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckoutTest.php
+++ b/tests/Feature/Notifications/Webhooks/SlackNotificationsUponCheckoutTest.php
@@ -16,7 +16,6 @@ use App\Notifications\CheckoutConsumableNotification;
 use App\Notifications\CheckoutLicenseSeatNotification;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Facades\Notification;
-use Tests\Support\AssertsAgainstSlackNotifications;
 use Tests\Support\InteractsWithSettings;
 use Tests\TestCase;
 
@@ -25,7 +24,6 @@ use Tests\TestCase;
  */
 class SlackNotificationsUponCheckoutTest extends TestCase
 {
-    use AssertsAgainstSlackNotifications;
     use InteractsWithSettings;
 
     protected function setUp(): void
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 03f273ad6f..535f9a3e21 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -6,12 +6,14 @@ use App\Http\Middleware\SecurityHeaders;
 use Illuminate\Foundation\Testing\LazilyRefreshDatabase;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 use RuntimeException;
+use Tests\Support\AssertsAgainstSlackNotifications;
 use Tests\Support\CustomTestMacros;
 use Tests\Support\InteractsWithAuthentication;
 use Tests\Support\InteractsWithSettings;
 
 abstract class TestCase extends BaseTestCase
 {
+    use AssertsAgainstSlackNotifications;
     use CreatesApplication;
     use CustomTestMacros;
     use InteractsWithAuthentication;