diff --git a/core/lib/Drupal/Core/Menu/LocalActionDefault.php b/core/lib/Drupal/Core/Menu/LocalActionDefault.php
index 413938a..662169f 100644
--- a/core/lib/Drupal/Core/Menu/LocalActionDefault.php
+++ b/core/lib/Drupal/Core/Menu/LocalActionDefault.php
@@ -15,9 +15,7 @@
 use Symfony\Component\HttpFoundation\Request;
 
 /**
- * Provides defaults implement of local action plugins.
- *
- * @todo This class needs more documentation and/or @see references.
+ * Provides a default implementation for local action plugins.
  */
 class LocalActionDefault extends PluginBase implements LocalActionInterface, ContainerFactoryPluginInterface {
 
@@ -88,6 +86,13 @@ public function getTitle() {
   /**
    * {@inheritdoc}
    */
+  public function getWeight() {
+    return $this->pluginDefinition['weight'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function getRouteParameters(Request $request) {
     $parameters = isset($this->pluginDefinition['route_parameters']) ? $this->pluginDefinition['route_parameters'] : array();
     $route = $this->routeProvider->getRouteByName($this->getRouteName());
@@ -99,7 +104,6 @@ public function getRouteParameters(Request $request) {
     // slugs in the path patterns. For example, if the route's path pattern is
     // /filter/tips/{filter_format} and the path is /filter/tips/plain_text then
     // $raw_variables->get('filter_format') == 'plain_text'.
-
     $raw_variables = $request->attributes->get('_raw_variables');
 
     foreach ($variables as $name) {
diff --git a/core/lib/Drupal/Core/Menu/LocalActionInterface.php b/core/lib/Drupal/Core/Menu/LocalActionInterface.php
index 75841de..152b3c6 100644
--- a/core/lib/Drupal/Core/Menu/LocalActionInterface.php
+++ b/core/lib/Drupal/Core/Menu/LocalActionInterface.php
@@ -37,8 +37,9 @@ public function getRouteParameters(Request $request);
 
    /**
     * Returns the weight for the local action.
+    *
+    * @return int
     */
-   public function getPath();
    public function getWeight();
 
   /**
diff --git a/core/lib/Drupal/Core/Menu/LocalActionManager.php b/core/lib/Drupal/Core/Menu/LocalActionManager.php
index 1013f8f..e5fbf3b 100644
--- a/core/lib/Drupal/Core/Menu/LocalActionManager.php
+++ b/core/lib/Drupal/Core/Menu/LocalActionManager.php
@@ -38,11 +38,13 @@ class LocalActionManager extends DefaultPluginManager {
    */
   protected $defaults = array(
     // The plugin id. Set by the plugin system based on the top-level YAML key.
-    'id' => '',
+    'id' => NULL,
     // The static title for the local action.
     'title' => '',
+    // The weight of the local action.
+    'weight' => 0,
     // (Required) the route name used to generate a link.
-    'route_name' => '',
+    'route_name' => NULL,
     // Default route parameters for generating links.
     'route_parameters' => array(),
     // Associative array of link options.
@@ -163,7 +165,9 @@ public function getActionsForRoute($route_appears) {
       }
       // Pre-fetch all the action route objects. This reduces the number of SQL
       // queries that would otherwise be triggered by the access manager.
-      $this->routeProvider->getRoutesByNames($route_names);
+      if (!empty($route_names)) {
+        $this->routeProvider->getRoutesByNames($route_names);
+      }
     }
     $links = array();
     foreach ($this->instances[$route_appears] as $plugin) {
@@ -178,6 +182,7 @@ public function getActionsForRoute($route_appears) {
           'localized_options' => $plugin->getOptions($this->request),
         ),
         '#access' => $this->accessManager->checkNamedRoute($route_name, $route_parameters),
+        '#weight' => $plugin->getWeight(),
       );
     }
     return $links;