diff --git a/core/core.services.yml b/core/core.services.yml
index 7059b81..ba701f0 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -1040,7 +1040,7 @@ services:
     arguments: ['%app.root%']
   twig.loader.theme_registry:
     class: Drupal\Core\Template\TwigThemeRegistryLoader
-    arguments: ['%app.root%', '@theme.registry']
+    arguments: ['@theme.registry']
   twig.loader.string:
     class: Twig_Loader_String
   element_info:
diff --git a/core/lib/Drupal/Core/Template/TwigThemeRegistryLoader.php b/core/lib/Drupal/Core/Template/TwigThemeRegistryLoader.php
index 59d16e5..86c0c9a 100644
--- a/core/lib/Drupal/Core/Template/TwigThemeRegistryLoader.php
+++ b/core/lib/Drupal/Core/Template/TwigThemeRegistryLoader.php
@@ -10,7 +10,7 @@
 use Drupal\Core\Theme\Registry;
 
 /**
- * Registers paths based on information from the Drupal theme registry.
+ * Loads templates based on information from the Drupal theme registry.
  *
  * Allows for template inheritance based on the currently active template.
  */
@@ -26,13 +26,10 @@ class TwigThemeRegistryLoader extends \Twig_Loader_Filesystem {
   /**
    * Constructs a new TwigThemeRegistryLoader object.
    *
-   * @param string|array $paths
-   *   A path or an array of paths where to look for templates
    * @param \Drupal\Core\Theme\Registry $theme_registry
    *   The theme registry.
    */
-  public function __construct($paths = array(), Registry $theme_registry) {
-    parent::__construct($paths);
+  public function __construct(Registry $theme_registry) {
     $this->themeRegistry = $theme_registry;
   }
 
@@ -66,7 +63,7 @@ protected function findTemplate($name) {
       }
     }
 
-    throw new \Twig_Error_Loader(sprintf('Unable to find template "%s" in the Drupal theme registry', $name));
+    throw new \Twig_Error_Loader(sprintf('Unable to find template "%s" in the Drupal theme registry.', $name));
   }
 
 }