diff --git a/tests/EarlyIdentificationTest.php b/tests/EarlyIdentificationTest.php
index a95bac0b..e6c08d26 100644
--- a/tests/EarlyIdentificationTest.php
+++ b/tests/EarlyIdentificationTest.php
@@ -10,6 +10,7 @@ use Illuminate\Contracts\Http\Kernel;
 use Illuminate\Support\Facades\Event;
 use Stancl\Tenancy\Events\TenancyInitialized;
 use Illuminate\Support\Facades\Route as RouteFacade;
+use Illuminate\Support\Str;
 use Stancl\Tenancy\Actions\CloneRoutesAsTenant;
 use Stancl\Tenancy\Middleware\InitializeTenancyByPath;
 use Stancl\Tenancy\Middleware\InitializeTenancyByDomain;
@@ -120,7 +121,7 @@ test('early identification works with path identification', function (bool $useK
         RouteFacade::get('/{post}/comment/{comment}/edit', [$controller, 'computePost']);
     });
 
-    $tenant = Tenant::create(['tenancy_db_name' => pest()->randomString()]);
+    $tenant = Tenant::create(['tenancy_db_name' => Str::random(10)]);
 
     // Migrate users and comments tables on tenant connection
     pest()->artisan('tenants:migrate', [
diff --git a/tests/TenantAssetTest.php b/tests/TenantAssetTest.php
index 5c223fe2..ef1cb41f 100644
--- a/tests/TenantAssetTest.php
+++ b/tests/TenantAssetTest.php
@@ -8,6 +8,7 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Event;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
 use Stancl\Tenancy\Actions\CloneRoutesAsTenant;
 use Stancl\Tenancy\Events\TenancyInitialized;
 use Stancl\Tenancy\Listeners\BootstrapTenancy;
@@ -44,7 +45,7 @@ test('asset can be accessed using the url returned by the tenant asset helper',
     $tenant = Tenant::create();
     tenancy()->initialize($tenant);
 
-    $filename = 'testfile' . pest()->randomString(10);
+    $filename = 'testfile' . Str::random(8);
     Storage::disk('public')->put($filename, 'bar');
     $path = storage_path("app/public/$filename");
 
@@ -136,7 +137,7 @@ test('TenantAssetController headers are configurable', function () {
     tenancy()->initialize($tenant);
     $tenant->createDomain('foo.localhost');
 
-    $filename = 'testfile' . pest()->randomString(10);
+    $filename = 'testfile' . Str::random(10);
     Storage::disk('public')->put($filename, 'bar');
 
     $this->withoutExceptionHandling();
diff --git a/tests/TenantDatabaseManagerTest.php b/tests/TenantDatabaseManagerTest.php
index c41ea35a..051312da 100644
--- a/tests/TenantDatabaseManagerTest.php
+++ b/tests/TenantDatabaseManagerTest.php
@@ -43,7 +43,7 @@ test('databases can be created and deleted', function ($driver, $databaseManager
         "tenancy.database.managers.$driver" => $databaseManager,
     ]);
 
-    $name = 'db' . pest()->randomString();
+    $name = 'db' . Str::random(10);
 
     $manager = app($databaseManager);
 
@@ -70,7 +70,7 @@ test('dbs can be created when another driver is used for the central db', functi
         return $event->tenant;
     })->toListener());
 
-    $database = 'db' . pest()->randomString();
+    $database = 'db' . Str::random(10);
 
     $mysqlmanager = app(MySQLDatabaseManager::class);
     $mysqlmanager->setConnection('mysql');
@@ -86,7 +86,7 @@ test('dbs can be created when another driver is used for the central db', functi
     $postgresManager = app(PostgreSQLDatabaseManager::class);
     $postgresManager->setConnection('pgsql');
 
-    $database = 'db' . pest()->randomString();
+    $database = 'db' . Str::random(10);
     expect($postgresManager->databaseExists($database))->toBeFalse();
 
     Tenant::create([
diff --git a/tests/TestCase.php b/tests/TestCase.php
index d4f2657b..bdd43fd4 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -236,11 +236,6 @@ abstract class TestCase extends \Orchestra\Testbench\TestCase
         $app->singleton('Illuminate\Contracts\Console\Kernel', Etc\Console\ConsoleKernel::class);
     }
 
-    public function randomString(int $length = 10)
-    {
-        return substr(str_shuffle(str_repeat($x = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', (int) (ceil($length / strlen($x))))), 1, $length);
-    }
-
     public function assertArrayIsSubset($subset, $array, string $message = ''): void
     {
         parent::assertTrue(array_intersect($subset, $array) == $subset, $message);