diff --git a/core/lib/Drupal/Component/Plugin/Discovery/AnnotatedClassDiscovery.php b/core/lib/Drupal/Component/Plugin/Discovery/AnnotatedClassDiscovery.php
index d9c1bc3..5648b0d 100644
--- a/core/lib/Drupal/Component/Plugin/Discovery/AnnotatedClassDiscovery.php
+++ b/core/lib/Drupal/Component/Plugin/Discovery/AnnotatedClassDiscovery.php
@@ -7,9 +7,8 @@
 
 namespace Drupal\Component\Plugin\Discovery;
 
-use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
+use Doctrine\Common\Annotations\SimpleAnnotationReader;
 use Drupal\Component\Reflection\MockFileFinder;
-use Doctrine\Common\Annotations\AnnotationReader;
 use Doctrine\Common\Annotations\AnnotationRegistry;
 use Doctrine\Common\Reflection\StaticReflectionParser;
 
@@ -36,6 +35,13 @@ class AnnotatedClassDiscovery implements DiscoveryInterface {
   protected $pluginDefinitionAnnotationName;
 
   /**
+   * The doctrine annotation reader.
+   *
+   * @var \Doctrine\Common\Annotations\Reader
+   */
+  protected $annotationReader;
+
+  /**
    * Constructs an AnnotatedClassDiscovery object.
    *
    * @param array $plugin_namespaces
@@ -51,6 +57,23 @@ function __construct($plugin_namespaces = array(), $plugin_definition_annotation
   }
 
   /**
+   * Returns the used doctrine annotation reader.
+   *
+   * @return \Doctrine\Common\Annotations\Reader
+   *   The annotation reader.
+   */
+  protected function getAnnotationReader() {
+    if (!isset($this->annotationReader)) {
+      $this->annotationReader = new SimpleAnnotationReader();
+
+      // Add the namespaces from the main plugin annotation, like @EntityType.
+      $namespace = substr($this->pluginDefinitionAnnotationName, 0, strrpos($this->pluginDefinitionAnnotationName, '\\'));
+      $this->annotationReader->addNamespace($namespace);
+    }
+    return $this->annotationReader;
+  }
+
+  /**
    * Implements Drupal\Component\Plugin\Discovery\DiscoveryInterface::getDefinition().
    */
   public function getDefinition($plugin_id) {
@@ -63,10 +86,8 @@ public function getDefinition($plugin_id) {
    */
   public function getDefinitions() {
     $definitions = array();
-    $reader = new AnnotationReader();
-    // Prevent @endlink from being parsed as an annotation.
-    $reader->addGlobalIgnoredName('endlink');
-    $reader->addGlobalIgnoredName('file');
+
+    $reader = $this->getAnnotationReader();
 
     // Clear the annotation loaders of any previous annotation classes.
     AnnotationRegistry::reset();
diff --git a/core/lib/Drupal/Core/Plugin/Discovery/AnnotatedClassDiscovery.php b/core/lib/Drupal/Core/Plugin/Discovery/AnnotatedClassDiscovery.php
index e033caf..b66118b 100644
--- a/core/lib/Drupal/Core/Plugin/Discovery/AnnotatedClassDiscovery.php
+++ b/core/lib/Drupal/Core/Plugin/Discovery/AnnotatedClassDiscovery.php
@@ -57,6 +57,20 @@ function __construct($subdir, \Traversable $root_namespaces, $plugin_definition_
   /**
    * {@inheritdoc}
    */
+  protected function getAnnotationReader() {
+    if (!isset($this->annotationReader)) {
+      $reader = parent::getAnnotationReader();
+
+      // Add the Core annotation classes like @Translation.
+      $reader->addNamespace('Drupal\Core\Annotation', array(DRUPAL_ROOT . '/core/lib/Drupal/Core/Annotation'));
+      $this->annotationReader = $reader;
+    }
+    return $this->annotationReader;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function getDefinitions() {
     $definitions = parent::getDefinitions();
     foreach ($definitions as &$definition) {
diff --git a/core/modules/contact/lib/Drupal/contact/Entity/Message.php b/core/modules/contact/lib/Drupal/contact/Entity/Message.php
index 0c3c622..f81b456 100644
--- a/core/modules/contact/lib/Drupal/contact/Entity/Message.php
+++ b/core/modules/contact/lib/Drupal/contact/Entity/Message.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\contact\Entity;
 
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 use Drupal\Core\Entity\EntityNG;
 use Drupal\contact\MessageInterface;
 
diff --git a/core/modules/menu_link/lib/Drupal/menu_link/Entity/MenuLink.php b/core/modules/menu_link/lib/Drupal/menu_link/Entity/MenuLink.php
index f27d051..0fc739a 100644
--- a/core/modules/menu_link/lib/Drupal/menu_link/Entity/MenuLink.php
+++ b/core/modules/menu_link/lib/Drupal/menu_link/Entity/MenuLink.php
@@ -11,8 +11,6 @@
 use Symfony\Component\Routing\Route;
 use Symfony\Component\HttpFoundation\Request;
 
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityStorageControllerInterface;
diff --git a/core/modules/node/lib/Drupal/node/Entity/Node.php b/core/modules/node/lib/Drupal/node/Entity/Node.php
index 5105d29..a0f1253 100644
--- a/core/modules/node/lib/Drupal/node/Entity/Node.php
+++ b/core/modules/node/lib/Drupal/node/Entity/Node.php
@@ -9,8 +9,6 @@
 
 use Drupal\Core\Entity\EntityNG;
 use Drupal\Core\Entity\EntityStorageControllerInterface;
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 use Drupal\Core\Language\Language;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\node\NodeInterface;
diff --git a/core/modules/user/lib/Drupal/user/Entity/Role.php b/core/modules/user/lib/Drupal/user/Entity/Role.php
index 83e4e5e..0f8e90e 100644
--- a/core/modules/user/lib/Drupal/user/Entity/Role.php
+++ b/core/modules/user/lib/Drupal/user/Entity/Role.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\user\Entity;
 
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 use Drupal\Core\Config\Entity\ConfigEntityBase;
 use Drupal\Core\Entity\EntityStorageControllerInterface;
 use Drupal\user\RoleInterface;
diff --git a/core/modules/user/lib/Drupal/user/Entity/User.php b/core/modules/user/lib/Drupal/user/Entity/User.php
index 748c8f1..d975177 100644
--- a/core/modules/user/lib/Drupal/user/Entity/User.php
+++ b/core/modules/user/lib/Drupal/user/Entity/User.php
@@ -10,8 +10,6 @@
 use Drupal\Core\Entity\EntityStorageControllerInterface;
 use Drupal\Core\Entity\EntityMalformedException;
 use Drupal\Core\Entity\EntityNG;
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 use Drupal\user\UserInterface;
 
 /**
diff --git a/core/modules/views/lib/Drupal/views/Entity/View.php b/core/modules/views/lib/Drupal/views/Entity/View.php
index e1f9873..f5507e6 100644
--- a/core/modules/views/lib/Drupal/views/Entity/View.php
+++ b/core/modules/views/lib/Drupal/views/Entity/View.php
@@ -13,8 +13,6 @@
 use Drupal\views_ui\ViewUI;
 use Drupal\views\ViewStorageInterface;
 use Drupal\views\ViewExecutable;
-use Drupal\Core\Entity\Annotation\EntityType;
-use Drupal\Core\Annotation\Translation;
 
 /**
  * Defines a View configuration entity class.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php b/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
index 293d6f6..8acef0b 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
@@ -10,7 +10,6 @@
 use Drupal\Core\Entity\EntityManager;
 use Drupal\views\Plugin\views\display\DisplayPluginBase;
 use Drupal\views\ViewExecutable;
-use Drupal\views\Annotation\ViewsRow;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultStyle.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultStyle.php
index d379cde..e315c1c 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultStyle.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultStyle.php
@@ -7,9 +7,6 @@
 
 namespace Drupal\views\Plugin\views\style;
 
-use Drupal\views\Annotation\ViewsStyle;
-use Drupal\Core\Annotation\Translation;
-
 /**
  * Unformatted style plugin to render rows one after another with no
  * decorations.