diff --git a/file_example/src/Form/FileExampleReadWriteForm.php b/file_example/src/Form/FileExampleReadWriteForm.php
index 3b51d80..bbf2aaa 100644
--- a/file_example/src/Form/FileExampleReadWriteForm.php
+++ b/file_example/src/Form/FileExampleReadWriteForm.php
@@ -99,7 +99,6 @@ class FileExampleReadWriteForm extends FormBase {
       $container->get('state'),
       $container->get('file_system'),
       $container->get('stream_wrapper_manager'),
-      $container->get('request_stack'),
       $container->get('entity_type.manager')->getStorage('file'),
       $container->get('stream_wrapper_example.session_helper')
     );
@@ -130,8 +129,7 @@ class FileExampleReadWriteForm extends FormBase {
    *   The URI of the default file.
    */
   protected function getDefaultFile() {
-    $default_file = $this->state->get('file_example_default_file', 'session://drupal.txt');
-    return $default_file;
+    return $this->state->get('file_example_default_file', 'session://drupal.txt');
   }
 
   /**
@@ -153,8 +151,7 @@ class FileExampleReadWriteForm extends FormBase {
    *   The URI of the default directory.
    */
   protected function getDefaultDirectory() {
-    $default_directory = $this->state->get('file_example_default_directory', 'session://directory1');
-    return $default_directory;
+    return $this->state->get('file_example_default_directory', 'session://directory1');
   }
 
   /**