diff --git a/core/lib/Drupal/Component/Plugin/PluginManagerBase.php b/core/lib/Drupal/Component/Plugin/PluginManagerBase.php
index e617ac1..51d4adb 100644
--- a/core/lib/Drupal/Component/Plugin/PluginManagerBase.php
+++ b/core/lib/Drupal/Component/Plugin/PluginManagerBase.php
@@ -32,13 +32,6 @@
   protected $factory;
 
   /**
-   * The object that returns the preconfigured plugin instance appropriate for a particular runtime condition.
-   *
-   * @var \Drupal\Component\Plugin\Mapper\MapperInterface
-   */
-  protected $mapper;
-
-  /**
    * Gets the plugin discovery.
    *
    * @return \Drupal\Component\Plugin\Discovery\DiscoveryInterface
@@ -90,11 +83,4 @@ public function createInstance($plugin_id, array $configuration = array()) {
     }
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getInstance(array $options) {
-    return $this->mapper->getInstance($options);
-  }
-
 }