--- ./OLD/sites/all/modules/hierarchical_select/hierarchical_select.install	2011-09-07 11:57:57.000000000 -0300
+++ ./NEW/sites/all/modules/hierarchical_select/hierarchical_select.install	2012-09-12 11:01:17.162741637 -0300
@@ -13,6 +13,14 @@
   db_delete('variable')
   ->condition('name', 'hs_config_%', 'LIKE')
   ->execute();
+
+  db_delete('variable')
+  ->condition('name', 'hierarchical_select_%', 'LIKE')
+  ->execute();
+  
+  //TODO
+  function hierarchical_select_restore_fields_to_select () {
+  }
 }