2 files changed, 7 insertions, 5 deletions
diff --git a/modules/system/system.admin.inc b/modules/system/system.admin.inc
index ff70cc279..7b860c124 100644
--- a/modules/system/system.admin.inc
+++ b/modules/system/system.admin.inc
@@ -2941,7 +2941,7 @@ function system_actions_manage() {
   actions_synchronize();
   $actions = actions_list();
   $actions_map = actions_actions_map($actions);
-  $options = array(t('Choose an advanced action'));
+  $options = array();
   $unconfigurable = array();
 
   foreach ($actions_map as $key => $array) {
@@ -3013,9 +3013,7 @@ function system_actions_manage_form($form, &$form_state, $options = array()) {
   );
   $form['parent']['action'] = array(
     '#type' => 'select',
-    '#default_value' => '',
     '#options' => $options,
-    '#description' => '',
   );
   $form['parent']['actions'] = array('#type' => 'actions');
   $form['parent']['actions']['submit'] = array(
diff --git a/modules/system/system.module b/modules/system/system.module
index 865eec1f1..3e6954f06 100644
--- a/modules/system/system.module
+++ b/modules/system/system.module
@@ -399,9 +399,13 @@ function system_element_info() {
   );
   $types['select'] = array(
     '#input' => TRUE,
-    '#size' => 0,
+    // In order to be able to determine whether a select list needs an empty
+    // default option, #required has to be NULL by default, as form_builder()
+    // preemptively sets #required to FALSE for all elements.
+    // @see form_process_select()
+    '#required' => NULL,
     '#multiple' => FALSE,
-    '#process' => array('ajax_process_form'),
+    '#process' => array('form_process_select', 'ajax_process_form'),
     '#theme' => 'select',
     '#theme_wrappers' => array('form_element'),
   );