diff --git a/core/lib/Drupal/Core/Breadcrumb/BreadcrumbManager.php b/core/lib/Drupal/Core/Breadcrumb/BreadcrumbManager.php
index ec587a3..d38449c 100644
--- a/core/lib/Drupal/Core/Breadcrumb/BreadcrumbManager.php
+++ b/core/lib/Drupal/Core/Breadcrumb/BreadcrumbManager.php
@@ -70,7 +70,6 @@ public function addBuilder(BreadcrumbBuilderInterface $builder, $priority) {
   public function build(array $attributes) {
     $breadcrumb = array();
     $context = array('builder' => NULL);
-    $successful_builder = NULL;
     // Call the build method of registered breadcrumb builders,
     // until one of them returns an array.
     foreach ($this->getSortedBuilders() as $builder) {
diff --git a/core/modules/system/lib/Drupal/system/PathBasedBreadcrumbBuilder.php b/core/modules/system/lib/Drupal/system/PathBasedBreadcrumbBuilder.php
index 64e850f..1ec5059 100644
--- a/core/modules/system/lib/Drupal/system/PathBasedBreadcrumbBuilder.php
+++ b/core/modules/system/lib/Drupal/system/PathBasedBreadcrumbBuilder.php
@@ -83,7 +83,7 @@ class PathBasedBreadcrumbBuilder implements BreadcrumbBuilderInterface {
   protected $config;
 
   /**
-   * Constructs the MenuLinkBreadcrumbBuilder.
+   * Constructs the PathBasedBreadcrumbBuilder.
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current Request object.
@@ -160,7 +160,7 @@ public function build(array $attributes) {
           if (!$title) {
             $title = str_replace(array('-', '_'), ' ', Unicode::ucfirst(end($path_elements)));
           }
-          // @todo Replace with a #type => link render element or using the link
+          // @todo Replace with a #type => link render element or use the link
           // generator.
           $links[] = l($title, $route_request->attributes->get('_system_path'));
         }