diff --git a/core/modules/comment/src/Form/ConfirmDeleteMultiple.php b/core/modules/comment/src/Form/ConfirmDeleteMultiple.php
index 1f51090..09ff7de 100644
--- a/core/modules/comment/src/Form/ConfirmDeleteMultiple.php
+++ b/core/modules/comment/src/Form/ConfirmDeleteMultiple.php
@@ -37,9 +37,9 @@ class ConfirmDeleteMultiple extends ConfirmFormBase {
   /**
    * An array of comments to be deleted.
    *
-   * @var \Drupal\comment\CommentInterface[]
+   * @var string[][]
    */
-  protected $comments;
+  protected $commentInfo;
 
   /**
    * Creates an new ConfirmDeleteMultiple form.
@@ -75,7 +75,7 @@ public function getFormId() {
    * {@inheritdoc}
    */
   public function getQuestion() {
-    return $this->formatPlural(count($this->comments), 'Are you sure you want to delete this comment and all its children?', 'Are you sure you want to delete these comments and all their children?');
+    return $this->formatPlural(count($this->commentInfo), 'Are you sure you want to delete this comment and all its children?', 'Are you sure you want to delete these comments and all their children?');
   }
 
   /**
@@ -96,28 +96,50 @@ public function getConfirmText() {
    * {@inheritdoc}
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
-    $this->comments = $this->tempStoreFactory->get('comment_multiple_delete_confirm')->get($this->currentUser()->id());
-    if (empty($this->comments)) {
+    $this->commentInfo = $this->tempStoreFactory->get('comment_multiple_delete_confirm')->get($this->currentUser()->id());
+    if (empty($this->commentInfo)) {
       return $this->redirect('comment.admin');
     }
+    /** @var \Drupal\comment\CommentInterface[] $comments */
+    $comments = $this->commentStorage->loadMultiple(array_keys($this->commentInfo));
+
+    $items = [];
+    foreach ($this->commentInfo as $id => $langcodes) {
+      foreach ($langcodes as $langcode) {
+        $comment = $comments[$id]->getTranslation($langcode);
+        $key = $id . ':' . $langcode;
+        $default_key = $id . ':' . $comment->getUntranslated()->language()->getId();
+
+        // If we have a translated entity we build a nested list of translations
+        // that will be deleted.
+        $languages = $comment->getTranslationLanguages();
+        if (count($languages) > 1 && $comment->isDefaultTranslation()) {
+          $names = [];
+          foreach ($languages as $translation_langcode => $language) {
+            $names[] = $language->getName();
+            unset($items[$id . ':' . $translation_langcode]);
+          }
+          $items[$default_key] = [
+            'label' => [
+              '#markup' => $this->t('@label (Original translation) - <em>The following content translations will be deleted:</em>', ['@label' => $node->label()]),
+            ],
+            'deleted_translations' => [
+              '#theme' => 'item_list',
+              '#items' => $names,
+            ],
+          ];
+        }
+        elseif (!isset($items[$default_key])) {
+          $items[$key] = $comment->label();
+        }
+      }
+    }
 
     $form['comments'] = array(
-      '#prefix' => '<ul>',
-      '#suffix' => '</ul>',
-      '#tree' => TRUE,
+      '#theme' => 'item_list',
+      '#items' => $items,
     );
 
-    foreach ($this->comments as $comment) {
-      $cid = $comment->id();
-      $form['comments'][$cid] = array(
-        '#type' => 'hidden',
-        '#value' => $cid,
-        '#prefix' => '<li>',
-        '#suffix' => Html::escape($comment->label()) . '</li>'
-      );
-    }
-    $form['operation'] = array('#type' => 'hidden', '#value' => 'delete');
-
     return parent::buildForm($form, $form_state);
   }
 
@@ -125,13 +147,56 @@ public function buildForm(array $form, FormStateInterface $form_state) {
    * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
-    if ($form_state->getValue('confirm') && !empty($this->comments)) {
-      $this->commentStorage->delete($this->comments);
+    if ($form_state->getValue('confirm') && !empty($this->commentInfo)) {
+      $total_count = 0;
+      $delete_comments = [];
+      /** @var \Drupal\Core\Entity\ContentEntityInterface[][] $delete_translations */
+      $delete_translations = [];
+      /** @var \Drupal\comment\CommentInterface[] $comments */
+      $comments = $this->commentStorage->loadMultiple(array_keys($this->commentInfo));
+
+      foreach ($this->commentInfo as $id => $langcodes) {
+        foreach ($langcodes as $langcode) {
+          $comment = $comments[$id]->getTranslation($langcode);
+          if ($comment->isDefaultTranslation()) {
+            $delete_comments[$id] = $comment;
+            unset($delete_translations[$id]);
+            $total_count += count($comment->getTranslationLanguages());
+          }
+          elseif (!isset($delete_comments[$id])) {
+            $delete_translations[$id][] = $comment;
+          }
+        }
+      }
+
+      if ($delete_comments) {
+        $this->commentStorage->delete($delete_comments);
+        $this->logger('content')->notice('Deleted @count comments.', array('@count' => count($delete_comments)));
+      }
+
+      if ($delete_translations) {
+        $count = 0;
+        foreach ($delete_translations as $id => $translations) {
+          $comment = $comments[$id]->getUntranslated();
+          foreach ($translations as $translation) {
+            $comment->removeTranslation($translation->language()->getId());
+          }
+          $comment->save();
+          $count += count($translations);
+        }
+        if ($count) {
+          $total_count += $count;
+          $this->logger('content')->notice('Deleted @count comment translations.', array('@count' => $count));
+        }
+      }
+
+      if ($total_count) {
+        drupal_set_message($this->formatPlural($total_count, 'Deleted 1 comment.', 'Deleted @count comments.'));
+      }
+
       $this->tempStoreFactory->get('comment_multiple_delete_confirm')->delete($this->currentUser()->id());
-      $count = count($this->comments);
-      $this->logger('content')->notice('Deleted @count comments.', array('@count' => $count));
-      drupal_set_message($this->formatPlural($count, 'Deleted 1 comment.', 'Deleted @count comments.'));
     }
+
     $form_state->setRedirectUrl($this->getCancelUrl());
   }
 
diff --git a/core/modules/comment/src/Plugin/Action/DeleteComment.php b/core/modules/comment/src/Plugin/Action/DeleteComment.php
index ee759f3..db30f01 100644
--- a/core/modules/comment/src/Plugin/Action/DeleteComment.php
+++ b/core/modules/comment/src/Plugin/Action/DeleteComment.php
@@ -74,7 +74,13 @@ public static function create(ContainerInterface $container, array $configuratio
    * {@inheritdoc}
    */
   public function executeMultiple(array $entities) {
-    $this->tempStore->set($this->currentUser->id(), $entities);
+    $info = [];
+    /** @var \Drupal\comment\CommentInterface $comment */
+    foreach ($entities as $comment) {
+      $langcode = $comment->language()->getId();
+      $info[$comment->id()][$langcode] = $langcode;
+    }
+    $this->tempStore->set($this->currentUser->id(), $info);
   }
 
   /**
@@ -88,7 +94,7 @@ public function execute($entity = NULL) {
    * {@inheritdoc}
    */
   public function access($comment, AccountInterface $account = NULL, $return_as_object = FALSE) {
-    /** @var \Drupal\comment\CommentInterface $object */
+    /** @var \Drupal\comment\CommentInterface $comment */
     return $comment->access('delete', $account, $return_as_object);
   }
 
diff --git a/core/modules/comment/src/Plugin/views/field/CommentBulkForm.php b/core/modules/comment/src/Plugin/views/field/CommentBulkForm.php
index 0e83fc2..64face3 100644
--- a/core/modules/comment/src/Plugin/views/field/CommentBulkForm.php
+++ b/core/modules/comment/src/Plugin/views/field/CommentBulkForm.php
@@ -20,22 +20,6 @@ class CommentBulkForm extends BulkForm {
   /**
    * {@inheritdoc}
    */
-  protected function calculateEntityBulkFormKey(EntityInterface $entity, $use_revision) {
-    return $entity->id();
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function loadEntityFromBulkFormKey($id) {
-    return $this->entityManager
-      ->getStorage($this->getEntityType())
-      ->load($id);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   protected function emptySelectedMessage() {
     return $this->t('Select one or more comments to perform the update on.');
   }