diff --git a/commerce_fieldgroup_panes.module b/commerce_fieldgroup_panes.module
index e43b46c..ea40ae4 100644
--- a/commerce_fieldgroup_panes.module
+++ b/commerce_fieldgroup_panes.module
@@ -47,9 +47,7 @@ function commerce_fieldgroup_panes_contents_settings_form($checkout_pane) {
  */
 function commerce_fieldgroup_panes_contents_checkout_form($form, &$form_state, $checkout_pane, $order) {
   $pane_form = array('#parents' => array($checkout_pane['pane_id']));
-  list($unused, $identifier) = explode('__', $checkout_pane['pane_id']);
-
-  $form_state['commerce_order'] = $order;
+  list(, $identifier) = explode('__', $checkout_pane['pane_id']);
 
   // Attach the selected field group as form to the panel form
   field_attach_form('commerce_order', $order, $pane_form, $form_state, $langcode = NULL);
