diff --git a/core/lib/Drupal/Core/Entity/EntityFormController.php b/core/lib/Drupal/Core/Entity/EntityFormController.php
index f4fc459..226d582 100644
--- a/core/lib/Drupal/Core/Entity/EntityFormController.php
+++ b/core/lib/Drupal/Core/Entity/EntityFormController.php
@@ -140,6 +140,9 @@ protected function actions(array $form, array &$form_state) {
       ),
       'delete' => array(
         '#value' => t('Delete'),
+        '#ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         // No need to validate the form when deleting the entity.
         '#submit' => array(
           array($this, 'delete'),
diff --git a/core/lib/Drupal/Core/Entity/EntityListController.php b/core/lib/Drupal/Core/Entity/EntityListController.php
index 1fdb4ba..bb162af 100644
--- a/core/lib/Drupal/Core/Entity/EntityListController.php
+++ b/core/lib/Drupal/Core/Entity/EntityListController.php
@@ -77,6 +77,9 @@ public function getOperations(EntityInterface $entity) {
     $operations['delete'] = array(
       'title' => t('Delete'),
       'href' => $uri['path'] . '/delete',
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       'options' => $uri['options'],
       'weight' => 100,
     );
diff --git a/core/modules/action/action.admin.inc b/core/modules/action/action.admin.inc
index c9db258..dd8cda0 100644
--- a/core/modules/action/action.admin.inc
+++ b/core/modules/action/action.admin.inc
@@ -53,6 +53,9 @@ function action_admin_manage() {
       $links['delete'] = array(
         'title' => t('delete'),
         'href' => "admin/config/system/actions/delete/$action->aid",
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
       );
     }
     $row[] = array(
diff --git a/core/modules/aggregator/aggregator.admin.inc b/core/modules/aggregator/aggregator.admin.inc
index 9b9d2be..9b250f7 100644
--- a/core/modules/aggregator/aggregator.admin.inc
+++ b/core/modules/aggregator/aggregator.admin.inc
@@ -44,6 +44,9 @@ function aggregator_view() {
     $links['remove'] = array(
       'title' => t('remove items'),
       'href' => "admin/config/services/aggregator/remove/$feed->fid",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $links['update'] = array(
       'title' => t('update items'),
diff --git a/core/modules/ban/ban.admin.inc b/core/modules/ban/ban.admin.inc
index 0ea23fc..f2d4b80 100644
--- a/core/modules/ban/ban.admin.inc
+++ b/core/modules/ban/ban.admin.inc
@@ -26,6 +26,9 @@ function ban_admin_page($default_ip = '') {
     $links['delete'] = array(
       'title' => t('delete'),
       'href' => "admin/config/people/ban/delete/$ip->iid",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $row[] = array(
       'data' => array(
diff --git a/core/modules/block/block.admin.inc b/core/modules/block/block.admin.inc
index ffa0b0b..1369b8f 100644
--- a/core/modules/block/block.admin.inc
+++ b/core/modules/block/block.admin.inc
@@ -154,6 +154,9 @@ function block_admin_display_form($form, &$form_state, $blocks, $theme, $block_r
       $links['delete'] = array(
         'title' => t('delete'),
         'href' => 'admin/structure/block/manage/' . $block['module'] . '/' . $block['delta'] . '/delete',
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
      );
     }
     $form['blocks'][$key]['operations'] = array(
diff --git a/core/modules/book/book.pages.inc b/core/modules/book/book.pages.inc
index ae79318..6d58563 100644
--- a/core/modules/book/book.pages.inc
+++ b/core/modules/book/book.pages.inc
@@ -149,6 +149,9 @@ function book_outline_form($form, &$form_state, Node $node) {
     '#value' => t('Remove from book outline'),
     '#access' => _book_node_is_removable($node),
     '#weight' => 20,
+    '#ajax' => array(
+      'dialog' => array('modal' => TRUE),
+    ),
     '#submit' => array('book_remove_button_submit'),
   );
 
diff --git a/core/modules/comment/comment.module b/core/modules/comment/comment.module
index ab757a9..12699b1 100644
--- a/core/modules/comment/comment.module
+++ b/core/modules/comment/comment.module
@@ -970,6 +970,9 @@ function comment_links(Comment $comment, Node $node) {
         'title' => t('delete'),
         'href' => "comment/$comment->cid/delete",
         'html' => TRUE,
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
       );
       $links['comment-edit'] = array(
         'title' => t('edit'),
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
index 13f5a76..44df0a8 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigEntityListTest.php
@@ -61,6 +61,9 @@ function testList() {
       'delete' => array (
         'title' => 'Delete',
         'href' => 'admin/structure/config_test/manage/default/delete',
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         'options' => $uri['options'],
         'weight' => 100,
       ),
diff --git a/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestFormController.php b/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestFormController.php
index 7e54e1c..f1f73b8 100644
--- a/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestFormController.php
+++ b/core/modules/config/tests/config_test/lib/Drupal/config_test/ConfigTestFormController.php
@@ -55,6 +55,9 @@ public function form(array $form, array &$form_state, EntityInterface $entity) {
     $form['actions']['delete'] = array(
       '#type' => 'submit',
       '#value' => 'Delete',
+      '#ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
 
     return $form;
diff --git a/core/modules/field_ui/field_ui.admin.inc b/core/modules/field_ui/field_ui.admin.inc
index d919eed..2c62b7c 100644
--- a/core/modules/field_ui/field_ui.admin.inc
+++ b/core/modules/field_ui/field_ui.admin.inc
@@ -967,6 +967,9 @@ function field_ui_field_edit_form($form, &$form_state, $instance) {
   $form['actions']['delete'] = array(
     '#type' => 'submit',
     '#value' => t('Delete field'),
+    '#ajax' => array(
+      'dialog' => array('modal' => TRUE),
+    ),
     '#submit' => array('field_ui_field_edit_form_delete_submit'),
   );
   return $form;
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php b/core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php
index 177e3fd..4c94212 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php
@@ -155,6 +155,9 @@ public function form(array $form, array &$form_state) {
       $links['delete'] = array(
         'title' => t('delete'),
         'href' => "$admin_field_path/delete",
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         'attributes' => array('title' => t('Delete instance.')),
       );
       $table[$name]['operations']['data'] = array(
diff --git a/core/modules/filter/filter.admin.inc b/core/modules/filter/filter.admin.inc
index c01fb93..055ce82 100644
--- a/core/modules/filter/filter.admin.inc
+++ b/core/modules/filter/filter.admin.inc
@@ -38,6 +38,9 @@ function filter_admin_overview($form) {
       $links['disable'] = array(
         'title' => t('disable'),
         'href' => "admin/config/content/formats/$id/disable",
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
       );
     }
     $form['formats'][$id]['roles'] = array('#markup' => $roles_markup);
diff --git a/core/modules/image/image.admin.inc b/core/modules/image/image.admin.inc
index 933a4ad..746c913 100644
--- a/core/modules/image/image.admin.inc
+++ b/core/modules/image/image.admin.inc
@@ -93,6 +93,9 @@ function image_style_form($form, &$form_state, $style) {
       $links['delete'] = array(
         'title' => t('delete'),
         'href' => 'admin/config/media/image-styles/edit/' . $style->id() . '/effects/' . $key . '/delete',
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
       );
       $form['effects'][$key]['operations'] = array(
         '#type' => 'operations',
@@ -611,6 +614,9 @@ function theme_image_style_list($variables) {
     $links['delete'] = array(
       'title' => t('delete'),
       'href' => 'admin/config/media/image-styles/delete/' . $style->id(),
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       'class' => array('image-style-link'),
     );
     $row[] = array(
diff --git a/core/modules/language/language.admin.inc b/core/modules/language/language.admin.inc
index 1872146..01a7f09 100644
--- a/core/modules/language/language.admin.inc
+++ b/core/modules/language/language.admin.inc
@@ -79,6 +79,9 @@ function language_admin_overview_form($form, &$form_state) {
         $links['delete'] = array(
           'title' => t('delete'),
           'href' => 'admin/config/regional/language/delete/' . $langcode,
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
       }
     }
@@ -931,6 +934,9 @@ function theme_language_negotiation_configure_browser_form_table($variables) {
     $links['delete'] = array(
       'title' => t('Delete'),
       'href' => "admin/config/regional/language/detection/browser/delete/$key",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       'attributes' => array(
         'class' => array('image-style-link'),
       ),
diff --git a/core/modules/menu/menu.admin.inc b/core/modules/menu/menu.admin.inc
index 605f898..869f729 100644
--- a/core/modules/menu/menu.admin.inc
+++ b/core/modules/menu/menu.admin.inc
@@ -163,16 +163,36 @@ function _menu_overview_tree_form($tree, $delta = 50) {
         $links['delete'] = array(
           'title' => t('delete'),
           'href' => 'admin/structure/menu/item/' . $item['mlid'] . '/delete',
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
+        );
+        $operations['delete'] = array(
+          '#type' => 'link',
+          '#title' => t('delete'),
+          '#href' => 'admin/structure/menu/item/' . $item['mlid'] . '/delete',
+          '#ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
-        $operations['delete'] = array('#type' => 'link', '#title' => t('delete'), '#href' => 'admin/structure/menu/item/' . $item['mlid'] . '/delete');
       }
       // Set the reset column.
       elseif ($item['module'] == 'system' && $item['customized']) {
         $links['reset'] = array(
           'title' => t('reset'),
           'href' => 'admin/structure/menu/item/' . $item['mlid'] . '/reset',
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
+        );
+        $operations['reset'] = array(
+          '#type' => 'link',
+          '#title' => t('reset'),
+          '#href' => 'admin/structure/menu/item/' . $item['mlid'] . '/reset',
+          '#ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
-        $operations['reset'] = array('#type' => 'link', '#title' => t('reset'), '#href' => 'admin/structure/menu/item/' . $item['mlid'] . '/reset');
       }
       $form[$mlid]['operations'] = array(
         '#type' => 'operations',
@@ -342,6 +362,9 @@ function menu_edit_item($form, &$form_state, $type, $item, $menu) {
       '#type' => 'submit',
       '#value' => t('Delete'),
       '#access' => $item['mlid'],
+      '#ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       '#submit' => array('menu_item_delete_submit'),
       '#weight' => 10,
     );
@@ -535,6 +558,9 @@ function menu_edit_menu($form, &$form_state, $type, $menu = array()) {
     '#type' => 'submit',
     '#value' => t('Delete'),
     '#access' => $type == 'edit' && !isset($system_menus[$menu['menu_name']]),
+    '#ajax' => array(
+      'dialog' => array('modal' => TRUE),
+    ),
     '#submit' => array('menu_custom_delete_submit'),
   );
 
diff --git a/core/modules/node/content_types.inc b/core/modules/node/content_types.inc
index 538b19f..8a7a225 100644
--- a/core/modules/node/content_types.inc
+++ b/core/modules/node/content_types.inc
@@ -47,6 +47,9 @@ function node_overview_types() {
         $links['delete'] = array(
           'title' => t('delete'),
           'href' => 'admin/structure/types/manage/' . $type->type . '/delete',
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
           'weight' => 15,
         );
       }
@@ -277,6 +280,9 @@ function node_type_form($form, &$form_state, $type = NULL) {
       $form['actions']['delete'] = array(
         '#type' => 'submit',
         '#value' => t('Delete content type'),
+        '#ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         '#weight' => 45,
       );
     }
diff --git a/core/modules/node/node.admin.inc b/core/modules/node/node.admin.inc
index 5681496..06168d7 100644
--- a/core/modules/node/node.admin.inc
+++ b/core/modules/node/node.admin.inc
@@ -557,6 +557,9 @@ function node_admin_nodes() {
       $operations['delete'] = array(
         'title' => t('delete'),
         'href' => 'node/' . $node->nid . '/delete',
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         'query' => $destination,
       );
     }
diff --git a/core/modules/node/node.pages.inc b/core/modules/node/node.pages.inc
index 0a18ec1..2e6f53a 100644
--- a/core/modules/node/node.pages.inc
+++ b/core/modules/node/node.pages.inc
@@ -281,12 +281,18 @@ function node_revision_overview($node) {
         $links['revert'] = array(
           'title' => t('revert'),
           'href' => "node/$node->nid/revisions/$revision->vid/revert",
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
       }
       if ($delete_permission) {
         $links['delete'] = array(
           'title' => t('delete'),
           'href' => "node/$node->nid/revisions/$revision->vid/delete",
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
       }
       $row[] = array(
diff --git a/core/modules/openid/openid.pages.inc b/core/modules/openid/openid.pages.inc
index f54617c..1c73077 100644
--- a/core/modules/openid/openid.pages.inc
+++ b/core/modules/openid/openid.pages.inc
@@ -57,6 +57,9 @@ function openid_user_identities($account) {
     $links['delete'] = array(
       'title' => t('Delete'),
       'href' => 'user/' . $account->uid . '/openid/delete/' . $identity->aid,
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $row[] = array(
       'data' => array(
diff --git a/core/modules/path/path.admin.inc b/core/modules/path/path.admin.inc
index 0535454..293b249 100644
--- a/core/modules/path/path.admin.inc
+++ b/core/modules/path/path.admin.inc
@@ -64,6 +64,9 @@ function path_admin_overview($keys = NULL) {
     $operations['delete'] = array(
       'title' => t('delete'),
       'href' => "admin/config/search/path/delete/$data->pid",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       'query' => $destination,
     );
     $row['data']['operations'] = array(
@@ -187,6 +190,9 @@ function path_admin_form($form, &$form_state, $path = array('source' => '', 'ali
     $form['actions']['delete'] = array(
       '#type' => 'submit',
       '#value' => t('Delete'),
+      '#ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
       '#submit' => array('path_admin_form_delete_submit'),
     );
   }
diff --git a/core/modules/search/search.admin.inc b/core/modules/search/search.admin.inc
index ef70eb7..a85c463 100644
--- a/core/modules/search/search.admin.inc
+++ b/core/modules/search/search.admin.inc
@@ -63,7 +63,14 @@ function search_admin_settings($form, &$form_state) {
   $status = '<p><strong>' . t('%percentage of the site has been indexed.', array('%percentage' => $percentage)) . ' ' . $count . '</strong></p>';
   $form['status'] = array('#type' => 'details', '#title' => t('Indexing status'));
   $form['status']['status'] = array('#markup' => $status);
-  $form['status']['wipe'] = array('#type' => 'submit', '#value' => t('Re-index site'), '#submit' => array('search_admin_reindex_submit'));
+  $form['status']['wipe'] = array(
+    '#type' => 'submit',
+    '#value' => t('Re-index site'),
+    '#ajax' => array(
+      'dialog' => array('modal' => TRUE),
+    ),
+    '#submit' => array('search_admin_reindex_submit'),
+  );
 
   $items = drupal_map_assoc(array(10, 20, 50, 100, 200, 500));
 
diff --git a/core/modules/shortcut/shortcut.admin.inc b/core/modules/shortcut/shortcut.admin.inc
index 18ec1c3..c42f66b 100644
--- a/core/modules/shortcut/shortcut.admin.inc
+++ b/core/modules/shortcut/shortcut.admin.inc
@@ -176,6 +176,9 @@ function shortcut_set_admin() {
       $links['delete'] = array(
         'title' => t('delete set'),
         'href' => "admin/config/user-interface/shortcut/$set->set_name/delete",
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
       );
     }
     $row[] = array(
@@ -290,6 +293,9 @@ function shortcut_set_customize($form, &$form_state, $shortcut_set) {
     $links['delete'] = array(
       'title' => t('delete'),
       'href' => "admin/config/user-interface/shortcut/link/$mlid/delete",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $form['shortcuts']['links'][$mlid]['operations'] = array(
       '#type' => 'operations',
diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index 46b4b9d..102f8c5 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -1289,6 +1289,9 @@ function system_modules_uninstall($form, $form_state = NULL) {
     $form['actions']['submit'] = array(
       '#type' => 'submit',
       '#value' => t('Uninstall'),
+      '#ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $form['#action'] = url('admin/modules/uninstall/confirm');
   }
@@ -2565,6 +2568,9 @@ function system_date_time_formats() {
         $links['delete'] = array(
           'title' => t('delete'),
           'href' => 'admin/config/regional/date-time/formats/' . $date_format_id . '/delete',
+          'ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
         );
         $row['operations'] = array('data' => array(
           '#type' => 'operations',
@@ -2741,6 +2747,9 @@ function system_date_format_language_overview_page() {
     $links['reset'] = array(
       'title' => t('reset'),
       'href' => "admin/config/regional/date-time/locale/$langcode/reset",
+      'ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $row[] = array(
       'data' => array(
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 26fee90..3f99990 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -3314,6 +3314,9 @@ function confirm_form($form, $question, $path, $description = NULL, $yes = NULL,
     '#type' => 'link',
     '#title' => $no ? $no : t('Cancel'),
     '#href' => $options['path'],
+    '#attributes' => array(
+      'class' => array('dialog-cancel'),
+    ),
     '#options' => $options,
   );
   // By default, render the form using theme_confirm_form().
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestFormController.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestFormController.php
index a65f06f..84d1122 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestFormController.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestFormController.php
@@ -75,6 +75,15 @@ public function save(array $form, array &$form_state) {
   }
 
   /**
+   * Overrides Drupal\Core\Entity\EntityFormController::actions().
+   */
+  protected function actions(array $form, array &$form_state) {
+    $actions = parent::actions($form, $form_state);
+    unset($actions['delete']['#ajax']);
+    return $actions;
+  }
+
+  /**
    * Overrides Drupal\Core\Entity\EntityFormController::delete().
    */
   public function delete(array $form, array &$form_state) {
diff --git a/core/modules/taxonomy/taxonomy.admin.inc b/core/modules/taxonomy/taxonomy.admin.inc
index 74af1d5..1cec614 100644
--- a/core/modules/taxonomy/taxonomy.admin.inc
+++ b/core/modules/taxonomy/taxonomy.admin.inc
@@ -286,7 +286,13 @@ function taxonomy_overview_terms($form, &$form_state, Vocabulary $vocabulary) {
     }
     $operations = array(
       'edit' => array('title' => t('edit'), 'href' => 'taxonomy/term/' . $term->tid . '/edit', 'query' => $destination),
-      'delete' => array('title' => t('delete'), 'href' => 'taxonomy/term/' . $term->tid . '/delete', 'query' => $destination),
+      'delete' => array(
+        'title' => t('delete'),
+        'href' => 'taxonomy/term/' . $term->tid . '/delete',
+        'ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
+        'query' => $destination),
     );
     if (module_invoke('translation_entity', 'translate_access', $term)) {
       $operations['translate'] = array(
@@ -316,7 +322,10 @@ function taxonomy_overview_terms($form, &$form_state, Vocabulary $vocabulary) {
     );
     $form['actions']['reset_alphabetical'] = array(
       '#type' => 'submit',
-      '#value' => t('Reset to alphabetical')
+      '#value' => t('Reset to alphabetical'),
+      '#ajax' => array(
+        'dialog' => array('modal' => TRUE),
+      ),
     );
     $form_state['redirect'] = array(current_path(), (isset($_GET['page']) ? array('query' => array('page' => $_GET['page'])) : array()));
   }
diff --git a/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php b/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
index b08518a..636e070 100644
--- a/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
+++ b/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
@@ -202,6 +202,9 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
           '#type' => 'submit',
           '#value' => t('Delete translation'),
           '#weight' => $weight,
+          '#ajax' => array(
+            'dialog' => array('modal' => TRUE),
+          ),
           '#submit' => array(array($this, 'entityFormDeleteTranslation')),
         );
       }
diff --git a/core/modules/translation_entity/translation_entity.module b/core/modules/translation_entity/translation_entity.module
index dac1001..64a4be8 100644
--- a/core/modules/translation_entity/translation_entity.module
+++ b/core/modules/translation_entity/translation_entity.module
@@ -598,6 +598,9 @@ function translation_entity_form_field_ui_field_edit_form_alter(array &$form, ar
         '#type' => 'link',
         '#title' => $link_title,
         '#href' => $path,
+        '#ajax' => array(
+          'dialog' => array('modal' => TRUE),
+        ),
         '#options' => array('query' => drupal_get_destination()),
         '#access' => user_access('toggle field translatability'),
       ),
diff --git a/core/modules/translation_entity/translation_entity.pages.inc b/core/modules/translation_entity/translation_entity.pages.inc
index 294c97b..a65fa3c 100644
--- a/core/modules/translation_entity/translation_entity.pages.inc
+++ b/core/modules/translation_entity/translation_entity.pages.inc
@@ -100,6 +100,7 @@ function translation_entity_overview(EntityInterface $entity) {
           $source_name = isset($languages[$source]) ? $languages[$source]->name : t('n/a');
           $links['delete'] = isset($delete_links->links[$langcode]['href']) ? $delete_links->links[$langcode] : array('href' => $delete_links, 'language' => $language);
           $links['delete']['title'] = t('delete');
+          $links['delete']['ajax'] = array('dialog' => array('modal' => TRUE));
         }
       }
       else {
diff --git a/core/modules/user/user.admin.inc b/core/modules/user/user.admin.inc
index 3668aae..a2bdbd3 100644
--- a/core/modules/user/user.admin.inc
+++ b/core/modules/user/user.admin.inc
@@ -985,6 +985,9 @@ function user_admin_role($form, $form_state, $role) {
     '#type' => 'submit',
     '#value' => t('Delete role'),
     '#access' => !empty($role->rid) && !in_array($role->rid, array(DRUPAL_ANONYMOUS_RID, DRUPAL_AUTHENTICATED_RID)),
+    '#ajax' => array(
+      'dialog' => array('modal' => TRUE),
+    ),
     '#submit' => array('user_admin_role_delete_submit'),
   );