diff --git a/core/modules/entity/src/EntityDisplayModeListBuilder.php b/core/modules/entity/src/EntityDisplayModeListBuilder.php
index 05c241a..bdab462 100644
--- a/core/modules/entity/src/EntityDisplayModeListBuilder.php
+++ b/core/modules/entity/src/EntityDisplayModeListBuilder.php
@@ -59,7 +59,7 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
    * {@inheritdoc}
    */
   public function buildHeader() {
-    $header['label'] = t('Label');
+    $header['label'] = $this->t('Label');
     return $header + parent::buildHeader();
   }
 
@@ -119,7 +119,7 @@ public function render() {
         'data' => array(
           '#type' => 'link',
           '#href' => "admin/structure/display-modes/$short_type/add/$entity_type",
-          '#title' => t('Add new %label @entity-type', array('%label' => $this->entityTypes[$entity_type]->getLabel(), '@entity-type' => $this->entityType->getLowercaseLabel())),
+          '#title' => $this->t('Add new %label @entity-type', array('%label' => $this->entityTypes[$entity_type]->getLabel(), '@entity-type' => $this->entityType->getLowercaseLabel())),
           '#options' => array(
             'html' => TRUE,
           ),
diff --git a/core/modules/entity/src/Form/EntityDisplayModeDeleteForm.php b/core/modules/entity/src/Form/EntityDisplayModeDeleteForm.php
index 4af74a7..463043d 100644
--- a/core/modules/entity/src/Form/EntityDisplayModeDeleteForm.php
+++ b/core/modules/entity/src/Form/EntityDisplayModeDeleteForm.php
@@ -27,7 +27,7 @@ public function getCancelRoute() {
    */
   public function getQuestion() {
     $entity_type = $this->entity->getEntityType();
-    return t('Are you sure you want to delete the %label @entity-type?', array('%label' => $this->entity->label(), '@entity-type' => $entity_type->getLowercaseLabel()));
+    return $this->t('Are you sure you want to delete the %label @entity-type?', array('%label' => $this->entity->label(), '@entity-type' => $entity_type->getLowercaseLabel()));
   }
 
   /**
@@ -35,14 +35,14 @@ public function getQuestion() {
    */
   public function getDescription() {
     $entity_type = $this->entity->getEntityType();
-    return t('Deleting a @entity-type will cause any output still requesting to use that @entity-type to use the default display settings.', array('@entity-type' => $entity_type->getLowercaseLabel()));
+    return $this->t('Deleting a @entity-type will cause any output still requesting to use that @entity-type to use the default display settings.', array('@entity-type' => $entity_type->getLowercaseLabel()));
   }
 
   /**
    * {@inheritdoc}
    */
   public function getConfirmText() {
-    return t('Delete');
+    return $this->t('Delete');
   }
 
   /**
@@ -52,7 +52,7 @@ public function submit(array $form, array &$form_state) {
     parent::submit($form, $form_state);
 
     $entity_type = $this->entity->getEntityType();
-    drupal_set_message(t('Deleted the %label @entity-type.', array('%label' => $this->entity->label(), '@entity-type' => $entity_type->getLowercaseLabel())));
+    drupal_set_message($this->t('Deleted the %label @entity-type.', array('%label' => $this->entity->label(), '@entity-type' => $entity_type->getLowercaseLabel())));
     $this->entity->delete();
     \Drupal::entityManager()->clearCachedFieldDefinitions();
     $form_state['redirect_route'] = $this->getCancelRoute();
diff --git a/core/modules/entity/src/Form/EntityDisplayModeFormBase.php b/core/modules/entity/src/Form/EntityDisplayModeFormBase.php
index e848413..d63a518 100644
--- a/core/modules/entity/src/Form/EntityDisplayModeFormBase.php
+++ b/core/modules/entity/src/Form/EntityDisplayModeFormBase.php
@@ -75,14 +75,14 @@ protected function init(array &$form_state) {
   public function form(array $form, array &$form_state) {
     $form['label'] = array(
       '#type' => 'textfield',
-      '#title' => t('Label'),
+      '#title' => $this->t('Label'),
       '#maxlength' => 100,
       '#default_value' => $this->entity->label(),
     );
 
     $form['id'] = array(
       '#type' => 'machine_name',
-      '#description' => t('A unique machine-readable name. Can only contain lowercase letters, numbers, and underscores.'),
+      '#description' => $this->t('A unique machine-readable name. Can only contain lowercase letters, numbers, and underscores.'),
       '#disabled' => !$this->entity->isNew(),
       '#default_value' => $this->entity->id(),
       '#field_prefix' => $this->entity->isNew() ? $this->entity->getTargetType() . '.' : '',
@@ -123,7 +123,7 @@ public function exists($entity_id, array $element, array $form_state) {
    * {@inheritdoc}
    */
   public function save(array $form, array &$form_state) {
-    drupal_set_message(t('Saved the %label @entity-type.', array('%label' => $this->entity->label(), '@entity-type' => $this->entityType->getLowercaseLabel())));
+    drupal_set_message($this->t('Saved the %label @entity-type.', array('%label' => $this->entity->label(), '@entity-type' => $this->entityType->getLowercaseLabel())));
     $this->entity->save();
     \Drupal::entityManager()->clearCachedFieldDefinitions();
     $form_state['redirect_route']['route_name'] = 'entity.' . $this->entity->getEntityTypeId() . '_list';