diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockDeleteForm.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockDeleteForm.php
index e295487..0cc6f05 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockDeleteForm.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockDeleteForm.php
@@ -19,7 +19,7 @@ class CustomBlockDeleteForm extends EntityNGConfirmFormBase {
    * {@inheritdoc}
    */
   public function getQuestion() {
-    return t('Are you sure you want to delete %name?', array('%name' => $this->entity->label()));
+    return $this->t('Are you sure you want to delete %name?', array('%name' => $this->entity->label()));
   }
 
   /**
@@ -33,7 +33,7 @@ public function getCancelPath() {
    * {@inheritdoc}
    */
   public function getConfirmText() {
-    return t('Delete');
+    return $this->t('Delete');
   }
 
   /**
@@ -57,7 +57,7 @@ public function buildForm(array $form, array &$form_state, Request $request = NU
    */
   public function submit(array $form, array &$form_state) {
     $this->entity->delete();
-    drupal_set_message(t('Custom block %label has been deleted.', array('%label' => $this->entity->label())));
+    drupal_set_message($this->t('Custom block %label has been deleted.', array('%label' => $this->entity->label())));
     watchdog('custom_block', 'Custom block %label has been deleted.', array('%label' => $this->entity->label()), WATCHDOG_NOTICE);
     $form_state['redirect'] = 'admin/structure/custom-blocks';
   }