diff --git a/core/lib/Drupal/Core/Entity/Annotation/ConfigEntityType.php b/core/lib/Drupal/Core/Entity/Annotation/ConfigEntityType.php
index 795ab27..7126eff 100644
--- a/core/lib/Drupal/Core/Entity/Annotation/ConfigEntityType.php
+++ b/core/lib/Drupal/Core/Entity/Annotation/ConfigEntityType.php
@@ -28,7 +28,7 @@ class ConfigEntityType extends EntityType {
    * {@inheritdoc}
    */
   public function get() {
-    $this->definition['group_label'] = \Drupal::translation()->translate('Configuration', array(), array('context' => 'Entity type group'));
+    $this->definition['group_label'] = $this->t('Configuration', array(), array('context' => 'Entity type group'));
 
     return parent::get();
   }
diff --git a/core/lib/Drupal/Core/Entity/Annotation/ContentEntityType.php b/core/lib/Drupal/Core/Entity/Annotation/ContentEntityType.php
index 6356fc1..ddf05c9 100644
--- a/core/lib/Drupal/Core/Entity/Annotation/ContentEntityType.php
+++ b/core/lib/Drupal/Core/Entity/Annotation/ContentEntityType.php
@@ -28,7 +28,7 @@ class ContentEntityType extends EntityType {
    * {@inheritdoc}
    */
   public function get() {
-    $this->definition['group_label'] = \Drupal::translation()->translate('Content', array(), array('context' => 'Entity type group'));
+    $this->definition['group_label'] = $this->t('Content', array(), array('context' => 'Entity type group'));
 
     return parent::get();
   }
diff --git a/core/lib/Drupal/Core/Entity/Annotation/EntityType.php b/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
index d72d759..fa5d4b3 100644
--- a/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
+++ b/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
@@ -41,4 +41,13 @@ public function get() {
     return new $class($values);
   }
 
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * See the t() documentation for details.
+   */
+  protected function t($string, array $args = array(), array $options = array()) {
+    return \Drupal::translation()->translate($string, $args, $options);
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Entity/EntityManager.php b/core/lib/Drupal/Core/Entity/EntityManager.php
index 0b64c28..242e01e 100644
--- a/core/lib/Drupal/Core/Entity/EntityManager.php
+++ b/core/lib/Drupal/Core/Entity/EntityManager.php
@@ -487,7 +487,7 @@ public function getEntityTypeLabels($group = FALSE) {
       }
 
       // Make sure that the 'Content' group is situated at the top.
-      $content = \Drupal::translation()->translate('Content', array(), array('context' => 'Entity type group'));
+      $content = $this->t('Content', array(), array('context' => 'Entity type group'));
       $options = array($content => $options[$content]) + $options;
     }
 
@@ -527,4 +527,13 @@ public function getTranslationFromContext(EntityInterface $entity, $langcode = N
     return $translation;
   }
 
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * See the t() documentation for details.
+   */
+  protected function t($string, array $args = array(), array $options = array()) {
+    return $this->translationManager->translate($string, $args, $options);
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Entity/EntityType.php b/core/lib/Drupal/Core/Entity/EntityType.php
index 7c062d0..22b7834 100644
--- a/core/lib/Drupal/Core/Entity/EntityType.php
+++ b/core/lib/Drupal/Core/Entity/EntityType.php
@@ -609,7 +609,16 @@ public function getGroup() {
    * {@inheritdoc}
    */
   public function getGroupLabel() {
-    return !empty($this->group_label) ? $this->group_label : \Drupal::translation()->translate('Other', array(), array('context' => 'Entity type group'));
+    return !empty($this->group_label) ? $this->group_label : $this->t('Other', array(), array('context' => 'Entity type group'));
+  }
+
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * See the t() documentation for details.
+   */
+  protected function t($string, array $args = array(), array $options = array()) {
+    return \Drupal::translation()->translate($string, $args, $options);
   }
 
 }