diff --git a/core/modules/rest/src/Plugin/Type/ResourcePluginManager.php b/core/modules/rest/src/Plugin/Type/ResourcePluginManager.php
index 90ad182..83111b4 100644
--- a/core/modules/rest/src/Plugin/Type/ResourcePluginManager.php
+++ b/core/modules/rest/src/Plugin/Type/ResourcePluginManager.php
@@ -38,13 +38,4 @@ public function __construct(\Traversable $namespaces, CacheBackendInterface $cac
     $this->setCacheBackend($cache_backend, 'rest_plugins');
     $this->alterInfo('rest_resource');
   }
-
-  /**
-   * Overrides Drupal\Component\Plugin\PluginManagerBase::getInstance().
-   */
-  public function getInstance(array $options){
-    if (isset($options['id'])) {
-      return $this->createInstance($options['id']);
-    }
-  }
 }
diff --git a/core/modules/rest/src/RequestHandler.php b/core/modules/rest/src/RequestHandler.php
index ee4b890..293be1f 100644
--- a/core/modules/rest/src/RequestHandler.php
+++ b/core/modules/rest/src/RequestHandler.php
@@ -43,7 +43,7 @@ public function handle(RouteMatchInterface $route_match, Request $request) {
 
     $resource = $this->container
       ->get('plugin.manager.rest')
-      ->getInstance(array('id' => $plugin));
+      ->createInstance($plugin);
 
     // Deserialize incoming data if available.
     $serializer = $this->container->get('serializer');
diff --git a/core/modules/rest/src/RestPermissions.php b/core/modules/rest/src/RestPermissions.php
index 652ae1d..1f93574 100644
--- a/core/modules/rest/src/RestPermissions.php
+++ b/core/modules/rest/src/RestPermissions.php
@@ -60,8 +60,8 @@ public function permissions() {
     $permissions = [];
     $resources = $this->configFactory->get('rest.settings')->get('resources');
     if ($resources && $enabled = array_intersect_key($this->restPluginManager->getDefinitions(), $resources)) {
-      foreach ($enabled as $key => $resource) {
-        $plugin = $this->restPluginManager->getInstance(['id' => $key]);
+      foreach ($enabled as $id => $resource) {
+        $plugin = $this->restPluginManager->createInstance($id);
         $permissions = array_merge($permissions, $plugin->permissions());
       }
     }
diff --git a/core/modules/rest/src/Routing/ResourceRoutes.php b/core/modules/rest/src/Routing/ResourceRoutes.php
index f975f27..7c58627 100644
--- a/core/modules/rest/src/Routing/ResourceRoutes.php
+++ b/core/modules/rest/src/Routing/ResourceRoutes.php
@@ -71,7 +71,7 @@ protected function alterRoutes(RouteCollection $collection) {
 
     // Iterate over all enabled resource plugins.
     foreach ($enabled_resources as $id => $enabled_methods) {
-      $plugin = $this->manager->getInstance(array('id' => $id));
+      $plugin = $this->manager->createInstance($id);
 
       foreach ($plugin->routes() as $name => $route) {
         // @todo: Are multiple methods possible here?