diff --git a/core/includes/entity.api.php b/core/includes/entity.api.php
index da9c1b8..314e8c6 100644
--- a/core/includes/entity.api.php
+++ b/core/includes/entity.api.php
@@ -339,8 +339,6 @@ function hook_entity_query_alter(\Drupal\Core\Entity\Query\QueryInterface $query
  *   entity components.
  * @param $view_mode
  *   The view mode the entity is rendered in.
- * @param $langcode
- *   The language code used for rendering.
  *
  * The module may add elements to $entity->content prior to rendering. The
  * structure of $entity->content is a renderable array as expected by
@@ -351,7 +349,7 @@ function hook_entity_query_alter(\Drupal\Core\Entity\Query\QueryInterface $query
  * @see hook_node_view()
  * @see hook_user_view()
  */
-function hook_entity_view(\Drupal\Core\Entity\EntityInterface $entity, \Drupal\entity\Entity\EntityDisplay $display, $view_mode, $langcode) {
+function hook_entity_view(\Drupal\Core\Entity\EntityInterface $entity, \Drupal\entity\Entity\EntityDisplay $display, $view_mode) {
   // Only do the extra work if the component is configured to be displayed.
   // This assumes a 'mymodule_addition' extra field has been defined for the
   // entity bundle in hook_field_extra_fields().
diff --git a/core/includes/entity.inc b/core/includes/entity.inc
index 8071a0d..775bc7a 100644
--- a/core/includes/entity.inc
+++ b/core/includes/entity.inc
@@ -626,10 +626,10 @@ function entity_render_controller($entity_type) {
  * @return array
  *   A render array for the entity.
  */
-function entity_view(EntityInterface $entity, $view_mode, $langcode = NULL) {
+function entity_view(EntityInterface $entity, $view_mode) {
   return Drupal::entityManager()
     ->getRenderController($entity->entityType())
-    ->view($entity, $view_mode, $langcode);
+    ->view($entity, $view_mode);
 }
 
 /**
@@ -647,10 +647,10 @@ function entity_view(EntityInterface $entity, $view_mode, $langcode = NULL) {
  *   A render array for the entities, indexed by the same keys as the
  *   entities array passed in $entities.
  */
-function entity_view_multiple(array $entities, $view_mode, $langcode = NULL) {
+function entity_view_multiple(array $entities, $view_mode) {
   return Drupal::entityManager()
     ->getRenderController(reset($entities)->entityType())
-    ->viewMultiple($entities, $view_mode, $langcode);
+    ->viewMultiple($entities, $view_mode);
 }
 
 /**
diff --git a/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php b/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
index b9667d2..2f163e4 100644
--- a/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
+++ b/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
@@ -60,10 +60,10 @@ public static function create(ContainerInterface $container) {
    * @return array
    *   A render array as expected by drupal_render().
    */
-  public function view(EntityInterface $_entity, $view_mode = 'full', $langcode = NULL) {
+  public function view(EntityInterface $_entity, $view_mode = 'full') {
     return $this->entityManager
       ->getRenderController($_entity->entityType())
-      ->view($_entity, $view_mode, $langcode);
+      ->view($_entity, $view_mode);
   }
 
 }
diff --git a/core/lib/Drupal/Core/Entity/EntityRenderController.php b/core/lib/Drupal/Core/Entity/EntityRenderController.php
index 860c044..43e6e80 100644
--- a/core/lib/Drupal/Core/Entity/EntityRenderController.php
+++ b/core/lib/Drupal/Core/Entity/EntityRenderController.php
@@ -29,8 +29,8 @@ public function __construct($entity_type) {
   /**
    * Implements \Drupal\Core\Entity\EntityRenderControllerInterface::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
-    field_attach_prepare_view($this->entityType, $entities, $displays, $langcode);
+  public function buildContent(array $entities, array $displays, $view_mode) {
+    field_attach_prepare_view($this->entityType, $entities, $displays);
     module_invoke_all('entity_prepare_view', $this->entityType, $entities, $displays, $view_mode);
 
     foreach ($entities as $entity) {
@@ -38,7 +38,7 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
       $entity->content = array(
         '#view_mode' => $view_mode,
       );
-      $entity->content += field_attach_view($entity, $displays[$entity->bundle()], $langcode);
+      $entity->content += field_attach_view($entity, $displays[$entity->bundle()]);
     }
   }
 
@@ -49,18 +49,14 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
    *   The entity for which the defaults should be provided.
    * @param string $view_mode
    *   The view mode that should be used.
-   * @param string $langcode
-   *   (optional) For which language the entity should be prepared, defaults to
-   *   the current content language.
    *
    * @return array
    */
-  protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langcode) {
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
     $return = array(
       '#theme' => $this->entityType,
       "#{$this->entityType}" => $entity,
       '#view_mode' => $view_mode,
-      '#langcode' => $langcode,
     );
     return $return;
   }
@@ -77,38 +73,30 @@ protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langco
    *   the entity components.
    * @param string $view_mode
    *   The view mode that should be used to prepare the entity.
-   * @param string $langcode
-   *   (optional) For which language the entity should be prepared, defaults to
-   *   the current content language.
    */
-  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode, $langcode = NULL) { }
+  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode) { }
 
   /**
    * Implements \Drupal\Core\Entity\EntityRenderControllerInterface::view().
    */
-  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
-    $buildList = $this->viewMultiple(array($entity), $view_mode, $langcode);
+  public function view(EntityInterface $entity, $view_mode = 'full') {
+    $buildList = $this->viewMultiple(array($entity), $view_mode);
     return $buildList[0];
   }
 
   /**
    * Implements \Drupal\Core\Entity\EntityRenderControllerInterface::viewMultiple().
    */
-  public function viewMultiple(array $entities = array(), $view_mode = 'full', $langcode = NULL) {
-    if (!isset($langcode)) {
-      $langcode = language(Language::TYPE_CONTENT)->id;
-    }
-
+  public function viewMultiple(array $entities = array(), $view_mode = 'full') {
     // Build the view modes and display objects.
     $view_modes = array();
     $displays = array();
-    $context = array('langcode' => $langcode);
     foreach ($entities as $entity) {
       $bundle = $entity->bundle();
 
       // Allow modules to change the view mode.
       $entity_view_mode = $view_mode;
-      drupal_alter('entity_view_mode', $entity_view_mode, $entity, $context);
+      drupal_alter('entity_view_mode', $entity_view_mode, $entity);
       // Store entities for rendering by view_mode.
       $view_modes[$entity_view_mode][$entity->id()] = $entity;
 
@@ -130,7 +118,7 @@ public function viewMultiple(array $entities = array(), $view_mode = 'full', $la
     }
 
     foreach ($view_modes as $mode => $view_mode_entities) {
-      $this->buildContent($view_mode_entities, $displays[$mode], $mode, $langcode);
+      $this->buildContent($view_mode_entities, $displays[$mode], $mode);
     }
 
     $view_hook = "{$this->entityType}_view";
@@ -139,15 +127,15 @@ public function viewMultiple(array $entities = array(), $view_mode = 'full', $la
     foreach ($entities as $key => $entity) {
       $entity_view_mode = isset($entity->content['#view_mode']) ? $entity->content['#view_mode'] : $view_mode;
       $display = $displays[$entity_view_mode][$entity->bundle()];
-      module_invoke_all($view_hook, $entity, $display, $entity_view_mode, $langcode);
-      module_invoke_all('entity_view', $entity, $display, $entity_view_mode, $langcode);
+      module_invoke_all($view_hook, $entity, $display, $entity_view_mode);
+      module_invoke_all('entity_view', $entity, $display, $entity_view_mode);
 
       $build[$key] = $entity->content;
       // We don't need duplicate rendering info in $entity->content.
       unset($entity->content);
 
-      $build[$key] += $this->getBuildDefaults($entity, $entity_view_mode, $langcode);
-      $this->alterBuild($build[$key], $entity, $display, $entity_view_mode, $langcode);
+      $build[$key] += $this->getBuildDefaults($entity, $entity_view_mode);
+      $this->alterBuild($build[$key], $entity, $display, $entity_view_mode);
 
       // Assign the weights configured in the display.
       foreach ($display->getComponents() as $name => $options) {
diff --git a/core/lib/Drupal/Core/Entity/EntityRenderControllerInterface.php b/core/lib/Drupal/Core/Entity/EntityRenderControllerInterface.php
index 03ba014..941b101 100644
--- a/core/lib/Drupal/Core/Entity/EntityRenderControllerInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityRenderControllerInterface.php
@@ -22,14 +22,11 @@
    *   configured for the entity components, keyed by bundle name.
    * @param string $view_mode
    *   The view mode in which the entity is being viewed.
-   * @param string $langcode
-   *   (optional) For which language the entity should be build, defaults to
-   *   the current content language.
    *
    * @return array
    *   The content array.
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL);
+  public function buildContent(array $entities, array $displays, $view_mode);
 
   /**
    * Returns the render array for the provided entity.
@@ -38,9 +35,6 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
    *   The entity to render.
    * @param string $view_mode
    *   (optional) The view mode that should be used to render the entity.
-   * @param string $langcode
-   *   (optional) For which language the entity should be rendered, defaults to
-   *   the current content language.
    *
    * @return array
    *   A render array for the entity.
@@ -51,7 +45,7 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
    *   comment belongs to, or not passing one, and having the comment node not
    *   be available for loading.
    */
-  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL);
+  public function view(EntityInterface $entity, $view_mode = 'full');
 
   /**
    * Returns the render array for the provided entities.
@@ -60,9 +54,6 @@ public function view(EntityInterface $entity, $view_mode = 'full', $langcode = N
    *   An array of entities implementing EntityInterface to view.
    * @param string $view_mode
    *   (optional) The view mode that should be used to render the entity.
-   * @param string $langcode
-   *   (optional) For which language the entity should be rendered, defaults to
-   *   the current content language.
    *
    * @return
    *   A render array for the entities, indexed by the same keys as the
@@ -74,5 +65,5 @@ public function view(EntityInterface $entity, $view_mode = 'full', $langcode = N
    *   comments belongs to, or not passing one, and having the comments node not
    *   be available for loading.
    */
-  public function viewMultiple(array $entities = array(), $view_mode = 'full', $langcode = NULL);
+  public function viewMultiple(array $entities = array(), $view_mode = 'full');
 }
diff --git a/core/modules/aggregator/lib/Drupal/aggregator/FeedRenderController.php b/core/modules/aggregator/lib/Drupal/aggregator/FeedRenderController.php
index 47de47b..3d73c51 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/FeedRenderController.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/FeedRenderController.php
@@ -18,8 +18,8 @@ class FeedRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::getBuildDefaults().
    */
-  protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langcode) {
-    $defaults = parent::getBuildDefaults($entity, $view_mode, $langcode);
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
+    $defaults = parent::getBuildDefaults($entity, $view_mode);
     $defaults['#theme'] = 'aggregator_feed_source';
     return $defaults;
   }
diff --git a/core/modules/aggregator/lib/Drupal/aggregator/ItemRenderController.php b/core/modules/aggregator/lib/Drupal/aggregator/ItemRenderController.php
index af11005..2f8e72d 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/ItemRenderController.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/ItemRenderController.php
@@ -18,8 +18,8 @@ class ItemRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::getBuildDefaults().
    */
-  protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langcode) {
-    $defaults = parent::getBuildDefaults($entity, $view_mode, $langcode);
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
+    $defaults = parent::getBuildDefaults($entity, $view_mode);
 
     // Use a different template for the summary view mode.
     if ($view_mode == 'summary') {
diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockRenderController.php b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockRenderController.php
index 3457115..a83eef8 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockRenderController.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/CustomBlockRenderController.php
@@ -19,8 +19,8 @@ class CustomBlockRenderController extends EntityRenderController {
   /**
    * Overrides \Drupal\Core\Entity\EntityRenderController::alterBuild().
    */
-  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode, $langcode = NULL) {
-    parent::alterBuild($build, $entity, $display, $view_mode, $langcode);
+  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode) {
+    parent::alterBuild($build, $entity, $display, $view_mode);
     // Add contextual links for this custom block.
     if (!empty($entity->id->value) && $view_mode == 'full') {
       $build['#contextual_links']['custom_block'] = array('block', array($entity->id()));
diff --git a/core/modules/block/lib/Drupal/block/BlockRenderController.php b/core/modules/block/lib/Drupal/block/BlockRenderController.php
index 57a5d62..b3b1b91 100644
--- a/core/modules/block/lib/Drupal/block/BlockRenderController.php
+++ b/core/modules/block/lib/Drupal/block/BlockRenderController.php
@@ -18,22 +18,22 @@ class BlockRenderController implements EntityRenderControllerInterface {
   /**
    * Implements \Drupal\Core\Entity\EntityRenderControllerInterface::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
+  public function buildContent(array $entities, array $displays, $view_mode) {
     return array();
   }
 
   /**
    * Implements Drupal\Core\Entity\EntityRenderControllerInterface::view().
    */
-  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
-    $build = $this->viewMultiple(array($entity), $view_mode, $langcode);
+  public function view(EntityInterface $entity, $view_mode = 'full') {
+    $build = $this->viewMultiple(array($entity), $view_mode);
     return reset($build);
   }
 
   /**
    * Implements Drupal\Core\Entity\EntityRenderControllerInterface::viewMultiple().
    */
-  public function viewMultiple(array $entities = array(), $view_mode = 'full', $langcode = NULL) {
+  public function viewMultiple(array $entities = array(), $view_mode = 'full') {
     $build = array();
     foreach ($entities as $entity_id => $entity) {
       $plugin = $entity->getPlugin();
diff --git a/core/modules/comment/comment.api.php b/core/modules/comment/comment.api.php
index a613825..c4ee033 100644
--- a/core/modules/comment/comment.api.php
+++ b/core/modules/comment/comment.api.php
@@ -86,12 +86,10 @@ function hook_comment_load(Drupal\comment\Comment $comments) {
  *   comment components.
  * @param $view_mode
  *   View mode, e.g. 'full', 'teaser'...
- * @param $langcode
- *   The language code used for rendering.
  *
  * @see hook_entity_view()
  */
-function hook_comment_view(\Drupal\comment\Entity\Comment $comment, \Drupal\entity\Entity\EntityDisplay $display, $view_mode, $langcode) {
+function hook_comment_view(\Drupal\comment\Entity\Comment $comment, \Drupal\entity\Entity\EntityDisplay $display, $view_mode) {
   // Only do the extra work if the component is configured to be displayed.
   // This assumes a 'mymodule_addition' extra field has been defined for the
   // node type in hook_field_extra_fields().
diff --git a/core/modules/comment/comment.module b/core/modules/comment/comment.module
index b7869fb..7b00ef7 100644
--- a/core/modules/comment/comment.module
+++ b/core/modules/comment/comment.module
@@ -850,15 +850,12 @@ function comment_prepare_thread(&$comments) {
  *   The comment object.
  * @param $view_mode
  *   View mode, e.g. 'full', 'teaser'...
- * @param $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return
  *   An array as expected by drupal_render().
  */
-function comment_view(Comment $comment, $view_mode = 'full', $langcode = NULL) {
-  return entity_view($comment, $view_mode, $langcode);
+function comment_view(Comment $comment, $view_mode = 'full') {
+  return entity_view($comment, $view_mode);
 }
 
 /**
@@ -942,8 +939,8 @@ function comment_links(Comment $comment, EntityInterface $node) {
  *
  * @see drupal_render()
  */
-function comment_view_multiple($comments, $view_mode = 'full', $langcode = NULL) {
-  return entity_view_multiple($comments, $view_mode, $langcode);
+function comment_view_multiple($comments, $view_mode = 'full') {
+  return entity_view_multiple($comments, $view_mode);
 }
 
 /**
@@ -1213,7 +1210,7 @@ function comment_node_update_index(EntityInterface $node, $langcode) {
     if ($node->comment && $cids = comment_get_thread($node, $mode, $comments_per_page)) {
       $comments = comment_load_multiple($cids);
       comment_prepare_thread($comments);
-      $build = comment_view_multiple($comments, $langcode);
+      $build = comment_view_multiple($comments);
       return drupal_render($build);
     }
   }
diff --git a/core/modules/comment/lib/Drupal/comment/CommentRenderController.php b/core/modules/comment/lib/Drupal/comment/CommentRenderController.php
index 641c566..4fee505 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentRenderController.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentRenderController.php
@@ -22,7 +22,7 @@ class CommentRenderController extends EntityRenderController {
    * In addition to modifying the content key on entities, this implementation
    * will also set the node key which all comments carry.
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
+  public function buildContent(array $entities, array $displays, $view_mode) {
     $return = array();
     if (empty($entities)) {
       return $return;
@@ -35,7 +35,7 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
     }
     user_load_multiple(array_unique($uids));
 
-    parent::buildContent($entities, $displays, $view_mode, $langcode);
+    parent::buildContent($entities, $displays, $view_mode);
 
     // Load all nodes of all comments at once.
     $nids = array();
@@ -72,8 +72,8 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::alterBuild().
    */
-  protected function alterBuild(array &$build, EntityInterface $comment, EntityDisplay $display, $view_mode, $langcode = NULL) {
-    parent::alterBuild($build, $comment, $display, $view_mode, $langcode);
+  protected function alterBuild(array &$build, EntityInterface $comment, EntityDisplay $display, $view_mode) {
+    parent::alterBuild($build, $comment, $display, $view_mode);
     if (empty($comment->in_preview)) {
       $prefix = '';
       $is_threaded = isset($comment->divs)
diff --git a/core/modules/contact/lib/Drupal/contact/MessageRenderController.php b/core/modules/contact/lib/Drupal/contact/MessageRenderController.php
index f8aca5d..7f00456 100644
--- a/core/modules/contact/lib/Drupal/contact/MessageRenderController.php
+++ b/core/modules/contact/lib/Drupal/contact/MessageRenderController.php
@@ -18,8 +18,8 @@ class MessageRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
-    parent::buildContent($entities, $displays, $view_mode, $langcode);
+  public function buildContent(array $entities, array $displays, $view_mode) {
+    parent::buildContent($entities, $displays, $view_mode);
 
     foreach ($entities as $entity) {
       // Add the message extra field, if enabled.
@@ -37,8 +37,8 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::view().
    */
-  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
-    $build = parent::view($entity, $view_mode, $langcode);
+  public function view(EntityInterface $entity, $view_mode = 'full') {
+    $build = parent::view($entity, $view_mode);
 
     if ($view_mode == 'mail') {
       // Convert field labels into headings.
diff --git a/core/modules/field/field.deprecated.inc b/core/modules/field/field.deprecated.inc
index fb97eff..e508728 100644
--- a/core/modules/field/field.deprecated.inc
+++ b/core/modules/field/field.deprecated.inc
@@ -1067,9 +1067,7 @@ function field_attach_delete_revision(EntityInterface $entity) {
  *
  * @deprecated as of Drupal 8.0. Use the entity system instead.
  */
-function field_attach_prepare_view($entity_type, array $entities, array $displays, $langcode = NULL) {
-  $options['langcode'] = array();
-
+function field_attach_prepare_view($entity_type, array $entities, array $displays) {
   // To ensure hooks are only run once per entity, only process items without
   // the _field_view_prepared flag.
   // @todo: resolve this more generally for both entity and field level hooks.
@@ -1082,10 +1080,6 @@ function field_attach_prepare_view($entity_type, array $entities, array $display
       // Add this entity to the items to be prepared.
       $prepare[$id] = $entity;
 
-      // Determine the actual language code to display for each field, given the
-      // language codes available in the field data.
-      $options['langcode'][$id] = field_language($entity, NULL, $langcode);
-
       // Mark this item as prepared.
       $entity->_field_view_prepared = TRUE;
     }
@@ -1131,12 +1125,9 @@ function field_attach_prepare_view($entity_type, array $entities, array $display
  *
  * @deprecated as of Drupal 8.0. Use the entity system instead.
  */
-function field_attach_view(EntityInterface $entity, EntityDisplay $display, $langcode = NULL, array $options = array()) {
+function field_attach_view(EntityInterface $entity, EntityDisplay $display, array $options = array()) {
   // Ensure we are working with a BC mode entity.
   $entity = $entity->getBCEntity();
-  // Determine the actual language code to display for each field, given the
-  // language codes available in the field data.
-  $options['langcode'] = field_language($entity, NULL, $langcode);
 
   // For each instance, call the view() method on the formatter object handed
   // by the entity display.
@@ -1154,7 +1145,6 @@ function field_attach_view(EntityInterface $entity, EntityDisplay $display, $lan
     'entity' => $entity,
     'view_mode' => $view_mode,
     'display_options' => $view_mode,
-    'langcode' => $langcode,
   );
   drupal_alter('field_attach_view', $output, $context);
 
diff --git a/core/modules/node/lib/Drupal/node/NodeRenderController.php b/core/modules/node/lib/Drupal/node/NodeRenderController.php
index 6da0b29..6319d68 100644
--- a/core/modules/node/lib/Drupal/node/NodeRenderController.php
+++ b/core/modules/node/lib/Drupal/node/NodeRenderController.php
@@ -19,7 +19,7 @@ class NodeRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
+  public function buildContent(array $entities, array $displays, $view_mode) {
     $return = array();
     if (empty($entities)) {
       return $return;
@@ -28,7 +28,7 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
     // Attach user account.
     user_attach_accounts($entities);
 
-    parent::buildContent($entities, $displays, $view_mode, $langcode);
+    parent::buildContent($entities, $displays, $view_mode);
 
     foreach ($entities as $entity) {
       $bundle = $entity->bundle();
@@ -69,7 +69,7 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
         $entity->content['language'] = array(
           '#type' => 'item',
           '#title' => t('Language'),
-          '#markup' => language_name($langcode),
+          '#markup' => $entity->language()->name,
           '#prefix' => '<div id="field-language-display">',
           '#suffix' => '</div>'
         );
@@ -80,8 +80,8 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::alterBuild().
    */
-  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode, $langcode = NULL) {
-    parent::alterBuild($build, $entity, $display, $view_mode, $langcode);
+  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode) {
+    parent::alterBuild($build, $entity, $display, $view_mode);
     if ($entity->id()) {
       $build['#contextual_links']['node'] = array('node', array($entity->id()));
     }
diff --git a/core/modules/node/node.api.php b/core/modules/node/node.api.php
index a6ec9ef..e657359 100644
--- a/core/modules/node/node.api.php
+++ b/core/modules/node/node.api.php
@@ -793,8 +793,6 @@ function hook_node_submit(\Drupal\Core\Entity\EntityInterface $node, $form, &$fo
  *   node components.
  * @param string $view_mode
  *   The $view_mode parameter from node_view().
- * @param string $langcode
- *   The language code used for rendering.
  *
  * @see forum_node_view()
  * @see comment_node_view()
@@ -802,7 +800,7 @@ function hook_node_submit(\Drupal\Core\Entity\EntityInterface $node, $form, &$fo
  *
  * @ingroup node_api_hooks
  */
-function hook_node_view(\Drupal\Core\Entity\EntityInterface $node, \Drupal\entity\Entity\EntityDisplay $display, $view_mode, $langcode) {
+function hook_node_view(\Drupal\Core\Entity\EntityInterface $node, \Drupal\entity\Entity\EntityDisplay $display, $view_mode) {
   // Only do the extra work if the component is configured to be displayed.
   // This assumes a 'mymodule_addition' extra field has been defined for the
   // node type in hook_field_extra_fields().
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 2353be3..2e0a0e2 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -937,15 +937,15 @@ function node_search_execute($keys = NULL, $conditions = NULL) {
   $results = array();
   foreach ($find as $item) {
     // Render the node.
-    $node = node_load($item->sid);
-    $build = node_view($node, 'search_result', $item->langcode);
+    $node = node_load($item->sid)->getTranslation($item->langcode);
+    $build = node_view($node, 'search_result');
     unset($build['#theme']);
     $node->rendered = drupal_render($build);
 
     // Fetch comments for snippet.
-    $node->rendered .= ' ' . module_invoke('comment', 'node_update_index', $node, $item->langcode);
+    $node->rendered .= ' ' . module_invoke('comment', 'node_update_index', $node);
 
-    $extra = Drupal::moduleHandler()->invokeAll('node_search_result', array($node, $item->langcode));
+    $extra = Drupal::moduleHandler()->invokeAll('node_search_result', array($node));
 
     $language = language_load($item->langcode);
     $uri = $node->uri();
@@ -956,7 +956,7 @@ function node_search_execute($keys = NULL, $conditions = NULL) {
     $results[] = array(
       'link' => url($uri['path'], array_merge($uri['options'], array('absolute' => TRUE, 'language' => $language))),
       'type' => check_plain(node_get_type_label($node)),
-      'title' => $node->label($item->langcode),
+      'title' => $node->label(),
       'user' => drupal_render($username),
       'date' => $node->getChangedTime(),
       'node' => $node,
@@ -1647,15 +1647,12 @@ function node_feed($nids = FALSE, $channel = array()) {
  *   A node entity.
  * @param $view_mode
  *   (optional) View mode, e.g., 'full', 'teaser'... Defaults to 'full.'
- * @param $langcode
- *   (optional) A language code to use for rendering. Defaults to NULL which is
- *   the global content language of the current request.
  *
  * @return
  *   An array as expected by drupal_render().
  */
-function node_view(EntityInterface $node, $view_mode = 'full', $langcode = NULL) {
-  return entity_view($node, $view_mode, $langcode);
+function node_view(EntityInterface $node, $view_mode = 'full') {
+  return entity_view($node, $view_mode);
 }
 
 /**
@@ -1665,15 +1662,12 @@ function node_view(EntityInterface $node, $view_mode = 'full', $langcode = NULL)
  *   An array of nodes as returned by node_load_multiple().
  * @param $view_mode
  *   (optional) View mode, e.g., 'full', 'teaser'... Defaults to 'teaser.'
- * @param $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return
  *   An array in the format expected by drupal_render().
  */
-function node_view_multiple($nodes, $view_mode = 'teaser', $langcode = NULL) {
-  return entity_view_multiple($nodes, $view_mode, $langcode);
+function node_view_multiple($nodes, $view_mode = 'teaser') {
+  return entity_view_multiple($nodes, $view_mode);
 }
 
 /**
diff --git a/core/modules/search/search.api.php b/core/modules/search/search.api.php
index 1fff4a6..33fb355 100644
--- a/core/modules/search/search.api.php
+++ b/core/modules/search/search.api.php
@@ -206,7 +206,7 @@ function hook_search_execute($keys = NULL, $conditions = NULL) {
   foreach ($find as $item) {
     // Render the node.
     $node = node_load($item->sid);
-    $build = node_view($node, 'search_result', $item->langcode);
+    $build = node_view($node->getTranslation($item->langcode), 'search_result');
     unset($build['#theme']);
     $node->rendered = drupal_render($build);
 
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestRenderController.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestRenderController.php
index 0c56533..30ffd68 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestRenderController.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/EntityTestRenderController.php
@@ -19,8 +19,8 @@ class EntityTestRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
-    parent::buildContent($entities, $displays, $view_mode, $langcode);
+  public function buildContent(array $entities, array $displays, $view_mode) {
+    parent::buildContent($entities, $displays, $view_mode);
 
     foreach ($entities as $entity) {
       $entity->content['label'] = array(
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TermRenderController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TermRenderController.php
index cf319d0..8187ff4 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TermRenderController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TermRenderController.php
@@ -19,8 +19,8 @@ class TermRenderController extends EntityRenderController {
   /**
    * Overrides Drupal\Core\Entity\EntityRenderController::buildContent().
    */
-  public function buildContent(array $entities, array $displays, $view_mode, $langcode = NULL) {
-    parent::buildContent($entities, $displays, $view_mode, $langcode);
+  public function buildContent(array $entities, array $displays, $view_mode) {
+    parent::buildContent($entities, $displays, $view_mode);
 
     foreach ($entities as $entity) {
       // Add the description if enabled.
@@ -38,8 +38,8 @@ public function buildContent(array $entities, array $displays, $view_mode, $lang
   /**
    * Overrides \Drupal\Core\Entity\EntityRenderController::getBuildDefaults().
    */
-  protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langcode) {
-    $return = parent::getBuildDefaults($entity, $view_mode, $langcode);
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
+    $return = parent::getBuildDefaults($entity, $view_mode);
 
     // TODO: rename "term" to "taxonomy_term" in theme_taxonomy_term().
     $return['#term'] = $return["#{$this->entityType}"];
@@ -51,8 +51,8 @@ protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langco
   /**
    * Overrides \Drupal\Core\Entity\EntityRenderController::alterBuild().
    */
-  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode, $langcode = NULL) {
-    parent::alterBuild($build, $entity, $display, $view_mode, $langcode);
+  protected function alterBuild(array &$build, EntityInterface $entity, EntityDisplay $display, $view_mode) {
+    parent::alterBuild($build, $entity, $display, $view_mode);
     $build['#attached']['css'][] = drupal_get_path('module', 'taxonomy') . '/css/taxonomy.module.css';
     $build['#contextual_links']['taxonomy'] = array('taxonomy/term', array($entity->id()));
   }
diff --git a/core/modules/taxonomy/taxonomy.api.php b/core/modules/taxonomy/taxonomy.api.php
index 44b5c52..ee3a69a 100644
--- a/core/modules/taxonomy/taxonomy.api.php
+++ b/core/modules/taxonomy/taxonomy.api.php
@@ -255,12 +255,10 @@ function hook_taxonomy_term_delete(Drupal\taxonomy\Term $term) {
  *   term components.
  * @param $view_mode
  *   The $view_mode parameter from taxonomy_term_view().
- * @param $langcode
- *   The language code used for rendering.
  *
  * @see hook_entity_view()
  */
-function hook_taxonomy_term_view(\Drupal\taxonomy\Entity\Term $term, \Drupal\entity\Entity\EntityDisplay $display, $view_mode, $langcode) {
+function hook_taxonomy_term_view(\Drupal\taxonomy\Entity\Term $term, \Drupal\entity\Entity\EntityDisplay $display, $view_mode) {
   // Only do the extra work if the component is configured to be displayed.
   // This assumes a 'mymodule_addition' extra field has been defined for the
   // vocabulary in hook_field_extra_fields().
diff --git a/core/modules/taxonomy/taxonomy.module b/core/modules/taxonomy/taxonomy.module
index f4258cd..8bf2d00 100644
--- a/core/modules/taxonomy/taxonomy.module
+++ b/core/modules/taxonomy/taxonomy.module
@@ -397,15 +397,12 @@ function taxonomy_check_vocabulary_hierarchy(VocabularyInterface $vocabulary, $c
  *   A taxonomy term object.
  * @param string $view_mode
  *   View mode, e.g. 'full', 'teaser'...
- * @param string $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return array
  *   A $page element suitable for use by drupal_page_render().
  */
-function taxonomy_term_view(Term $term, $view_mode = 'full', $langcode = NULL) {
-  return entity_view($term, $view_mode, $langcode);
+function taxonomy_term_view(Term $term, $view_mode = 'full') {
+  return entity_view($term, $view_mode);
 }
 
  /**
@@ -415,15 +412,12 @@ function taxonomy_term_view(Term $term, $view_mode = 'full', $langcode = NULL) {
  *   An array of taxonomy terms as returned by entity_load_multiple('taxonomy_term').
  * @param string $view_mode
  *   View mode, e.g. 'full', 'teaser'...
- * @param string $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return array
  *   An array in the format expected by drupal_render().
  */
-function taxonomy_term_view_multiple(array $terms, $view_mode = 'full', $langcode = NULL) {
-  return entity_view_multiple($terms, $view_mode, $langcode);
+function taxonomy_term_view_multiple(array $terms, $view_mode = 'full') {
+  return entity_view_multiple($terms, $view_mode);
 }
 
 /**
diff --git a/core/modules/tour/lib/Drupal/tour/TourRenderController.php b/core/modules/tour/lib/Drupal/tour/TourRenderController.php
index aea0d33..0607dcb 100644
--- a/core/modules/tour/lib/Drupal/tour/TourRenderController.php
+++ b/core/modules/tour/lib/Drupal/tour/TourRenderController.php
@@ -18,7 +18,7 @@ class TourRenderController extends EntityRenderController {
   /**
    * Overrides \Drupal\Core\Entity\EntityRenderController::viewMultiple().
    */
-  public function viewMultiple(array $entities = array(), $view_mode = 'full', $langcode = NULL) {
+  public function viewMultiple(array $entities = array(), $view_mode = 'full') {
     $build = array();
     foreach ($entities as $entity_id => $entity) {
       $tips = $entity->getTips();
diff --git a/core/modules/user/user.api.php b/core/modules/user/user.api.php
index 9d6f73e..192a902 100644
--- a/core/modules/user/user.api.php
+++ b/core/modules/user/user.api.php
@@ -319,13 +319,11 @@ function hook_user_logout($account) {
  *   user components.
  * @param $view_mode
  *   View mode, e.g. 'full'.
- * @param $langcode
- *   The language code used for rendering.
  *
  * @see hook_user_view_alter()
  * @see hook_entity_view()
  */
-function hook_user_view(\Drupal\user\UserInterface $account, \Drupal\entity\Entity\EntityDisplay $display, $view_mode, $langcode) {
+function hook_user_view(\Drupal\user\UserInterface $account, \Drupal\entity\Entity\EntityDisplay $display, $view_mode) {
   // Only do the extra work if the component is configured to be displayed.
   // This assumes a 'mymodule_addition' extra field has been defined for the
   // user entity type in hook_field_extra_fields().
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index 62ccfd6..1f072e6 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -1420,15 +1420,12 @@ function user_view_page($account) {
  *   A user object.
  * @param $view_mode
  *   View mode, e.g. 'full'.
- * @param $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return
  *   An array as expected by drupal_render().
  */
-function user_view($account, $view_mode = 'full', $langcode = NULL) {
-  return entity_view($account, $view_mode, $langcode);
+function user_view($account, $view_mode = 'full') {
+  return entity_view($account, $view_mode);
 }
 
 /**
@@ -1438,15 +1435,12 @@ function user_view($account, $view_mode = 'full', $langcode = NULL) {
  *   An array of user accounts as returned by user_load_multiple().
  * @param $view_mode
  *   (optional) View mode, e.g., 'full', 'teaser'... Defaults to 'teaser.'
- * @param $langcode
- *   (optional) A language code to use for rendering. Defaults to the global
- *   content language of the current request.
  *
  * @return
  *   An array in the format expected by drupal_render().
  */
-function user_view_multiple($accounts, $view_mode = 'full', $langcode = NULL) {
-  return entity_view($accounts, $view_mode, $langcode);
+function user_view_multiple($accounts, $view_mode = 'full') {
+  return entity_view_multiple($accounts, $view_mode);
 }
 
 /**