diff --git a/core/modules/config/src/Form/ConfigSync.php b/core/modules/config/src/Form/ConfigSync.php
index 7bb098e..05d3de5 100644
--- a/core/modules/config/src/Form/ConfigSync.php
+++ b/core/modules/config/src/Form/ConfigSync.php
@@ -7,7 +7,6 @@
 
 namespace Drupal\config\Form;
 
-use Drupal\Core\Config\ConfigImporter;
 use Drupal\Core\Config\ConfigManagerInterface;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Config\StorageInterface;
@@ -59,7 +58,7 @@ class ConfigSync extends FormBase {
   protected $renderer;
 
   /**
-   * The key value storer.
+   * The key value store.
    *
    * @var \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface;
    */
@@ -262,59 +261,4 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     // Redirect to the confirmation form.
     $form_state->setRedirect('config.sync_confirm');
   }
-
-  /**
-   * Processes the config import batch and persists the importer.
-   *
-   * @param \Drupal\Core\Config\ConfigImporter $config_importer
-   *   The batch config importer object to persist.
-   * @param string $sync_step
-   *   The synchronization step to do.
-   * @param array $context
-   *   The batch context.
-   */
-  public static function processBatch(ConfigImporter $config_importer, $sync_step, &$context) {
-    if (!isset($context['sandbox']['config_importer'])) {
-      $context['sandbox']['config_importer'] = $config_importer;
-    }
-
-    $config_importer = $context['sandbox']['config_importer'];
-    $config_importer->doSyncStep($sync_step, $context);
-    if ($errors = $config_importer->getErrors()) {
-      if (!isset($context['results']['errors'])) {
-        $context['results']['errors'] = array();
-      }
-      $context['results']['errors'] += $errors;
-    }
-  }
-
-  /**
-   * Finish batch.
-   *
-   * This function is a static function to avoid serializing the ConfigSync
-   * object unnecessarily.
-   */
-  public static function finishBatch($success, $results, $operations) {
-    if ($success) {
-      if (!empty($results['errors'])) {
-        foreach ($results['errors'] as $error) {
-          drupal_set_message($error, 'error');
-          \Drupal::logger('config_sync')->error($error);
-        }
-        drupal_set_message(\Drupal::translation()->translate('The configuration was imported with errors.'), 'warning');
-      }
-      else {
-        drupal_set_message(\Drupal::translation()->translate('The configuration was imported successfully.'));
-      }
-    }
-    else {
-      // An error occurred.
-      // $operations contains the operations that remained unprocessed.
-      $error_operation = reset($operations);
-      $message = \Drupal::translation()->translate('An error occurred while processing %error_operation with arguments: @arguments', array('%error_operation' => $error_operation[0], '@arguments' => print_r($error_operation[1], TRUE)));
-      drupal_set_message($message, 'error');
-    }
-  }
-
-
 }
diff --git a/core/modules/config/src/Form/ConfigSyncConfirmForm.php b/core/modules/config/src/Form/ConfigSyncConfirmForm.php
index dfbe7a5..771ac8c 100644
--- a/core/modules/config/src/Form/ConfigSyncConfirmForm.php
+++ b/core/modules/config/src/Form/ConfigSyncConfirmForm.php
@@ -247,10 +247,18 @@ public static function processBatch(ConfigImporter $config_importer, $sync_step,
   }
 
   /**
-   * Finish batch.
+   * Implements callback_batch_finished().
    *
+   * Performs post-processing for submitForm().
    * This function is a static function to avoid serializing the ConfigSync
    * object unnecessarily.
+   *
+   * @param bool $success
+   *   A boolean indicating whether the sync process has completed.
+   * @param array $results
+   *   An array of results information.
+   * @param array $operations
+   *   An array of function calls.
    */
   public static function finishBatch($success, $results, $operations) {
     if ($success) {