diff -u b/core/lib/Drupal/Core/Theme/Registry.php b/core/lib/Drupal/Core/Theme/Registry.php
--- b/core/lib/Drupal/Core/Theme/Registry.php
+++ b/core/lib/Drupal/Core/Theme/Registry.php
@@ -459,7 +459,8 @@
         // should throw an exception at runtime when attempting to include
         // the template file.
         elseif (!isset($info['template'])) {
-          $result[$hook]['template'] = strtr($hook, '_', '-');
+          $info['template'] = strtr($hook, '_', '-');
+          $result[$hook]['template'] = $info['template'];
         }
 
         // Prepend the current theming path when none is set. This is required
diff -u b/core/modules/views/views.module b/core/modules/views/views.module
--- b/core/modules/views/views.module
+++ b/core/modules/views/views.module
@@ -155,7 +155,6 @@
   // Default view themes
   $hooks['views_view_field'] = $base + array(
     'variables' => array('view' => NULL, 'field' => NULL, 'row' => NULL),
-    'function' => 'theme_views_view_field',
   );
   $hooks['views_view_grouping'] = $base + array(
     'variables' => array('view' => NULL, 'grouping' => NULL, 'grouping_level' => NULL, 'rows' => NULL, 'title' => NULL),