diff --git a/core/modules/config/tests/config_test/lib/Drupal/config_test/Form/DeleteForm.php b/core/modules/config/tests/config_test/lib/Drupal/config_test/Form/DeleteForm.php
deleted file mode 100644
index 4136d42..0000000
--- a/core/modules/config/tests/config_test/lib/Drupal/config_test/Form/DeleteForm.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-/**
- * @file
- * Contains \Drupal\config_test\Form\ConfigTestDeleteForm.
- */
-
-namespace Drupal\config_test\Form;
-
-use Drupal\Component\Utility\String;
-use Drupal\Core\Form\ConfirmFormBase;
-use Drupal\config_test\ConfigTestInterface;
-
-/**
- * Delete confirmation form for config_test entities.
- */
-class ConfigTestDeleteForm extends ConfirmFormBase {
-
-  /**
-   * The config_test entity to be deleted.
-   *
-   * @var \Drupal\config_test\Plugin\Core\Entity\ConfigTest.
-   */
-  protected $configTest;
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function getQuestion() {
-    return t('Are you sure you want to delete %label', array('%label' => $this->configTest->label()));
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function getConfirmText() {
-    return t('Delete');
-  }
-
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function getCancelPath() {
-    return 'admin/structure/config_test';
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getFormID() {
-    return 'config_test_delete_form';
-  }
-
-  /**
-   * Implements \Drupal\Drupal\Core\Form\ConfirmFormBase::buildForm().
-   *
-   * @param \Drupal\config_test\ConfigTestInterface $config_test
-   *   (optional) The ConfigTestInterface object to delete.
-   */
-  public function buildForm(array $form, array &$form_state, ConfigTestInterface $config_test = NULL) {
-    $this->configTest = $config_test;
-
-    return parent::buildForm($form, $form_state);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function submitForm(array &$form, array &$form_state) {
-    $this->configTest->delete();
-    drupal_set_message(String::format('%label configuration has been deleted.', array('%label' => $this->configTest->label())));
-    $form_state['redirect'] = 'admin/structure/config_test';
-  }
-
-}