diff --git a/database/migrations/create_document_files_table.php b/database/migrations/create_document_files_table.php
index 29fd941..bc8ec8d 100644
--- a/database/migrations/create_document_files_table.php
+++ b/database/migrations/create_document_files_table.php
@@ -4,7 +4,8 @@
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
-return new class extends Migration {
+return new class extends Migration
+{
     public function up(): void
     {
         Schema::create('document_files', function (Blueprint $table) {
diff --git a/database/migrations/create_document_templates_table.php b/database/migrations/create_document_templates_table.php
index eb44eb5..cd0d0d8 100644
--- a/database/migrations/create_document_templates_table.php
+++ b/database/migrations/create_document_templates_table.php
@@ -4,7 +4,8 @@
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
-return new class extends Migration {
+return new class extends Migration
+{
     public function up(): void
     {
         Schema::create('document_templates', function (Blueprint $table) {
diff --git a/src/Contract/Driver.php b/src/Contract/Driver.php
index ce660b6..51c1122 100644
--- a/src/Contract/Driver.php
+++ b/src/Contract/Driver.php
@@ -6,10 +6,6 @@ interface Driver
 {
     /**
      * Render HTML to PDF and return temporary file path of the rendered PDF.
-     *
-     * @param string $html
-     * @param array $options
-     * @return string
      */
     public function render(string $html, array $options = []): string;
 }
diff --git a/src/DocumentManager.php b/src/DocumentManager.php
index 4e09acf..e09db26 100755
--- a/src/DocumentManager.php
+++ b/src/DocumentManager.php
@@ -3,8 +3,8 @@
 namespace AsevenTeam\Documents;
 
 use AsevenTeam\Documents\Contract\Driver;
-use AsevenTeam\Documents\Drivers\DriverDecorator;
 use AsevenTeam\Documents\Drivers\BrowsershotDriver;
+use AsevenTeam\Documents\Drivers\DriverDecorator;
 use Illuminate\Support\Str;
 use InvalidArgumentException;
 
@@ -18,7 +18,7 @@ protected function getDefaultDriver(): string
         return config('documents.default_driver');
     }
 
-    public function driver(?string $driver = null): DriverDecorator
+    public function driver(string $driver = null): DriverDecorator
     {
         $driver ??= $this->getDefaultDriver();
 
diff --git a/src/Drivers/DriverDecorator.php b/src/Drivers/DriverDecorator.php
index b4558b5..f786174 100644
--- a/src/Drivers/DriverDecorator.php
+++ b/src/Drivers/DriverDecorator.php
@@ -14,8 +14,7 @@ class DriverDecorator implements Driver
 {
     public function __construct(
         protected Driver $driver,
-    )
-    {
+    ) {
     }
 
     public function create(
@@ -23,9 +22,8 @@ public function create(
         DocumentTemplate $template,
         array $variables = [],
         array $options = [],
-        ?string $documentType = null,
-    ): DocumentFile
-    {
+        string $documentType = null,
+    ): DocumentFile {
         $variables = array_merge($template->variables, $variables);
         $options = array_merge($template->options, $options);
 
@@ -47,9 +45,8 @@ public function createFromHtml(
         HasDocuments $model,
         string $html,
         array $options = [],
-        ?string $documentType = null,
-    ): DocumentFile
-    {
+        string $documentType = null,
+    ): DocumentFile {
         $filePath = $this->renderHtml($html, $options);
 
         $size = Storage::fileSize($filePath);
@@ -79,7 +76,7 @@ protected function renderHtml(string $html, array $options): string
     protected function savePdf(string $pdfContent): string
     {
         $filename = Str::random(40);
-        $path = date('Y/m/') . 'documents/' . $filename . '.pdf';
+        $path = date('Y/m/').'documents/'.$filename.'.pdf';
 
         Storage::put($path, $pdfContent, ['visibility' => 'public']);
 
diff --git a/tests/TestCase.php b/tests/TestCase.php
index c8ae9e6..1a4297f 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -3,7 +3,6 @@
 namespace AsevenTeam\Documents\Tests;
 
 use AsevenTeam\Documents\DocumentServiceProvider;
-use AsevenTeam\Documents\Tests\TestModels\TestModel;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;