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diff --git a/web/core/modules/system/src/Form/ModulesUninstallForm.php b/web/core/modules/system/src/Form/ModulesUninstallForm.php
new file mode 100644
index 000000000..80348c59f
--- /dev/null
+++ b/web/core/modules/system/src/Form/ModulesUninstallForm.php
@@ -0,0 +1,191 @@
+<?php
+
+namespace Drupal\system\Form;
+
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Extension\ModuleInstallerInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a form for uninstalling modules.
+ */
+class ModulesUninstallForm extends FormBase {
+
+  /**
+   * The module handler service.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * The module installer service.
+   *
+   * @var \Drupal\Core\Extension\ModuleInstallerInterface
+   */
+  protected $moduleInstaller;
+
+  /**
+   * The expirable key value store.
+   *
+   * @var \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface
+   */
+  protected $keyValueExpirable;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('module_handler'),
+      $container->get('module_installer'),
+      $container->get('keyvalue.expirable')->get('modules_uninstall')
+    );
+  }
+
+  /**
+   * Constructs a ModulesUninstallForm object.
+   *
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   * @param \Drupal\Core\Extension\ModuleInstallerInterface $module_installer
+   *   The module installer.
+   * @param \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface $key_value_expirable
+   *   The key value expirable factory.
+   */
+  public function __construct(ModuleHandlerInterface $module_handler, ModuleInstallerInterface $module_installer, KeyValueStoreExpirableInterface $key_value_expirable) {
+    $this->moduleHandler = $module_handler;
+    $this->moduleInstaller = $module_installer;
+    $this->keyValueExpirable = $key_value_expirable;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'system_modules_uninstall';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // Make sure the install API is available.
+    include_once DRUPAL_ROOT . '/core/includes/install.inc';
+
+    // Get a list of all available modules.
+    $modules = system_rebuild_module_data();
+    $uninstallable = array_filter($modules, function ($module) use ($modules) {
+      return empty($modules[$module->getName()]->info['required']) && $module->status;
+    });
+
+    // Include system.admin.inc so we can use the sort callbacks.
+    $this->moduleHandler->loadInclude('system', 'inc', 'system.admin');
+
+    $form['filters'] = [
+      '#type' => 'container',
+      '#attributes' => [
+        'class' => ['table-filter', 'js-show'],
+      ],
+    ];
+
+    $form['filters']['text'] = [
+      '#type' => 'search',
+      '#title' => $this->t('Filter modules'),
+      '#title_display' => 'invisible',
+      '#size' => 30,
+      '#placeholder' => $this->t('Filter by name or description'),
+      '#description' => $this->t('Enter a part of the module name or description'),
+      '#attributes' => [
+        'class' => ['table-filter-text'],
+        'data-table' => '#system-modules-uninstall',
+        'autocomplete' => 'off',
+      ],
+    ];
+
+    $form['modules'] = [];
+
+    // Only build the rest of the form if there are any modules available to
+    // uninstall;
+    if (empty($uninstallable)) {
+      return $form;
+    }
+
+    $profile = drupal_get_profile();
+
+    // Sort all modules by their name.
+    uasort($uninstallable, 'system_sort_modules_by_info_name');
+    $validation_reasons = $this->moduleInstaller->validateUninstall(array_keys($uninstallable));
+
+    $form['uninstall'] = ['#tree' => TRUE];
+    foreach ($uninstallable as $module_key => $module) {
+      $name = $module->info['name'] ?: $module->getName();
+      $form['modules'][$module->getName()]['#module_name'] = $name;
+      $form['modules'][$module->getName()]['name']['#markup'] = $name;
+      $form['modules'][$module->getName()]['description']['#markup'] = $this->t($module->info['description']);
+
+      $form['uninstall'][$module->getName()] = [
+        '#type' => 'checkbox',
+        '#title' => $this->t('Uninstall @module module', ['@module' => $name]),
+        '#title_display' => 'invisible',
+      ];
+
+      // If a validator returns reasons not to uninstall a module,
+      // list the reasons and disable the check box.
+      if (isset($validation_reasons[$module_key])) {
+        $form['modules'][$module->getName()]['#validation_reasons'] = $validation_reasons[$module_key];
+        $form['uninstall'][$module->getName()]['#disabled'] = TRUE;
+      }
+      // All modules which depend on this one must be uninstalled first, before
+      // we can allow this module to be uninstalled. (The installation profile
+      // is excluded from this list.)
+      foreach (array_keys($module->required_by) as $dependent) {
+        if ($dependent != $profile && drupal_get_installed_schema_version($dependent) != SCHEMA_UNINSTALLED) {
+          $name = isset($modules[$dependent]->info['name']) ? $modules[$dependent]->info['name'] : $dependent;
+          $form['modules'][$module->getName()]['#required_by'][] = $name;
+          $form['uninstall'][$module->getName()]['#disabled'] = TRUE;
+        }
+      }
+    }
+
+    $form['#attached']['library'][] = 'system/drupal.system.modules';
+    $form['actions'] = ['#type' => 'actions'];
+    $form['actions']['submit'] = [
+      '#type' => 'submit',
+      '#value' => $this->t('Uninstall'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    // Form submitted, but no modules selected.
+    if (!array_filter($form_state->getValue('uninstall'))) {
+      $form_state->setErrorByName('', $this->t('No modules selected.'));
+      $form_state->setRedirect('system.modules_uninstall');
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    // Save all the values in an expirable key value store.
+    $modules = $form_state->getValue('uninstall');
+    $uninstall = array_keys(array_filter($modules));
+    $account = $this->currentUser()->id();
+    // Store the values for 6 hours. This expiration time is also used in
+    // the form cache.
+    $this->keyValueExpirable->setWithExpire($account, $uninstall, 6 * 60 * 60);
+
+    // Redirect to the confirm form.
+    $form_state->setRedirect('system.modules_uninstall_confirm');
+  }
+
+}