diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index cc647a2..eb7db1a 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2599,7 +2599,6 @@ function _system_rebuild_module_data() {
     'package' => 'Other',
     'version' => NULL,
     'php' => DRUPAL_MINIMUM_PHP,
-    'files' => array(),
   );
 
   // Read info files for each module.