diff --git a/core/modules/system/src/FileAjaxForm.php b/core/modules/system/src/FileAjaxForm.php
deleted file mode 100644
index 0400f7fce01424a30dd7acc0447f3d52a5223a95..0000000000000000000000000000000000000000
--- a/core/modules/system/src/FileAjaxForm.php
+++ /dev/null
@@ -1,122 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains \Drupal\system\FileAjaxForm.
- */
-
-namespace Drupal\system;
-
-use Drupal\Core\Form\FormStateInterface;
-
-/**
- * Wrapper for Ajax forms data and commands, avoiding a multi-return-value tuple.
- *
- * @ingroup ajax
- */
-class FileAjaxForm {
-
-  /**
-   * The form to cache.
-   *
-   * @var array
-   */
-  protected $form;
-
-  /**
-   * The form state.
-   *
-   * @var \Drupal\Core\Form\FormStateInterface
-   */
-  protected $formState;
-
-  /**
-   * The unique form ID.
-   *
-   * @var string
-   */
-  protected $formId;
-
-  /**
-   * The unique form build ID.
-   *
-   * @var string
-   */
-  protected $formBuildId;
-
-  /**
-   * The array of ajax commands.
-   *
-   * @var \Drupal\Core\Ajax\CommandInterface[]
-   */
-  protected $commands;
-
-  /**
-   * Constructs a FileAjaxForm object.
-   *
-   * @param array $form
-   *   The form definition.
-   * @param \Drupal\Core\Form\FormStateInterface $form_state
-   *   The form state.
-   * @param \Drupal\Core\Ajax\string|string $form_id
-   *   The unique form ID.
-   * @param \Drupal\Core\Ajax\string|string $form_build_id
-   *   The unique form build ID.
-   * @param \Drupal\Core\Ajax\CommandInterface[] $commands
-   *   The ajax commands.
-   */
-  public function __construct(array $form, FormStateInterface $form_state, $form_id, $form_build_id, array $commands) {
-    $this->form = $form;
-    $this->formState = $form_state;
-    $this->formId = $form_id;
-    $this->formBuildId = $form_build_id;
-    $this->commands = $commands;
-  }
-
-  /**
-   * Gets all AJAX commands.
-   *
-   * @return \Drupal\Core\Ajax\CommandInterface[]
-   *   Returns all previously added AJAX commands.
-   */
-  public function getCommands() {
-    return $this->commands;
-  }
-
-  /**
-   * Gets the form definition.
-   *
-   * @return array
-   */
-  public function getForm() {
-    return $this->form;
-  }
-
-  /**
-   * Gets the unique form build ID.
-   *
-   * @return string
-   */
-  public function getFormBuildId() {
-    return $this->formBuildId;
-  }
-
-  /**
-   * Gets the unique form ID.
-   *
-   * @return string
-   */
-  public function getFormId() {
-    return $this->formId;
-  }
-
-  /**
-   * Gets the form state.
-   *
-   * @return \Drupal\Core\Form\FormStateInterface
-   */
-  public function getFormState() {
-    return $this->formState;
-  }
-
-}