Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 18324)
+++ wp-admin/includes/template.php	(working copy)
@@ -1093,13 +1093,6 @@
 		$page = 'general';
 	}
 
-	if ( !isset($wp_settings_sections) )
-		$wp_settings_sections = array();
-	if ( !isset($wp_settings_sections[$page]) )
-		$wp_settings_sections[$page] = array();
-	if ( !isset($wp_settings_sections[$page][$id]) )
-		$wp_settings_sections[$page][$id] = array();
-
 	$wp_settings_sections[$page][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback);
 }
 
@@ -1133,13 +1126,6 @@
 		$page = 'general';
 	}
 
-	if ( !isset($wp_settings_fields) )
-		$wp_settings_fields = array();
-	if ( !isset($wp_settings_fields[$page]) )
-		$wp_settings_fields[$page] = array();
-	if ( !isset($wp_settings_fields[$page][$section]) )
-		$wp_settings_fields[$page][$section] = array();
-
 	$wp_settings_fields[$page][$section][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback, 'args' => $args);
 }
 
@@ -1159,7 +1145,7 @@
 function do_settings_sections($page) {
 	global $wp_settings_sections, $wp_settings_fields;
 
-	if ( !isset($wp_settings_sections) || !isset($wp_settings_sections[$page]) )
+	if ( !isset($wp_settings_sections[$page]) )
 		return;
 
 	foreach ( (array) $wp_settings_sections[$page] as $section ) {
@@ -1190,7 +1176,7 @@
 function do_settings_fields($page, $section) {
 	global $wp_settings_fields;
 
-	if ( !isset($wp_settings_fields) || !isset($wp_settings_fields[$page]) || !isset($wp_settings_fields[$page][$section]) )
+	if ( !isset($wp_settings_fields[$page][$section]) )
 		return;
 
 	foreach ( (array) $wp_settings_fields[$page][$section] as $field ) {
@@ -1231,9 +1217,6 @@
 function add_settings_error( $setting, $code, $message, $type = 'error' ) {
 	global $wp_settings_errors;
 
-	if ( !isset($wp_settings_errors) )
-		$wp_settings_errors = array();
-
 	$new_error = array(
 		'setting' => $setting,
 		'code' => $code,