diff -u b/core/lib/Drupal/Core/Entity/Entity.php b/core/lib/Drupal/Core/Entity/Entity.php
--- b/core/lib/Drupal/Core/Entity/Entity.php
+++ b/core/lib/Drupal/Core/Entity/Entity.php
@@ -70,21 +70,27 @@
   }
 
   /**
-   * {@inheritdoc}
+   * Gets the entity manager.
+   *
+   * @return \Drupal\Core\Entity\EntityManagerInterface
    */
   protected function entityManager() {
     return \Drupal::entityManager();
   }
 
   /**
-   * {@inheritdoc}
+   * Gets the language manager.
+   *
+   * @return \Drupal\Core\Language\LanguageManagerInterface
    */
   protected function languageManager() {
     return \Drupal::languageManager();
   }
 
   /**
-   * {@inheritdoc}
+   * Gets the UUID generator.
+   *
+   * @return \Drupal\Component\Uuid\UuidInterface
    */
   protected function uuidGenerator() {
     return \Drupal::service('uuid');
@@ -286,11 +292,6 @@
 
   /**
    * {@inheritdoc}
-   *
-   * Returns a list of URI relationships supported by this entity.
-   *
-   * @return array
-   *   An array of link relationships supported by this entity.
    */
   public function uriRelationships() {
     return array_keys($this->linkTemplates());
@@ -471,10 +472,6 @@
 
   /**
    * {@inheritdoc}
-   *
-   * @return static[]
-   *   An array of entity objects indexed by their IDs. Returns an empty array
-   *   if no matching entities are found.
    */
   public static function loadMultiple(array $ids = NULL) {
     $entity_manager = \Drupal::entityManager();
@@ -483,9 +480,6 @@
 
   /**
    * {@inheritdoc}
-   *
-   * @return static
-   *   The entity object.
    */
   public static function create(array $values = array()) {
     $entity_manager = \Drupal::entityManager();
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Entity/EntityInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityInterface.php
@@ -187,7 +187,7 @@ public function uriRelationships();
    * @param mixed $id
    *   The id of the entity to load.
    *
-   * @return static
+   * @return static|null
    *   The entity object or NULL if there is no entity with the given ID.
    */
   public static function load($id);