diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index b37ba09cb..5380de079 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -113,7 +113,7 @@ function wp_default_scripts( &$scripts ) {
 
 	$scripts->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
 
-	$scripts->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.3');
+	$scripts->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.3.1');
 
 	$scripts->add( 'jquery-ui-core', '/wp-includes/js/jquery/ui.core.js', array('jquery'), '1.5.2' );
 	$scripts->add_data( 'jquery-ui-core', 'group', 1 );
diff --git a/wp-settings.php b/wp-settings.php
index 8778a0c96..553c67d4b 100644
--- a/wp-settings.php
+++ b/wp-settings.php
@@ -210,11 +210,6 @@ if (defined('WP_DEBUG') and WP_DEBUG == true) {
 		error_reporting(E_ALL ^ E_NOTICE ^ E_USER_NOTICE);
 }
 
-// When this is defined and set to true the non-minified versions of the Javascripts will be used.
-// Add define('SCRIPT_DEBUG', false); to wp-config.php to test the minified versions.
-if ( !defined('SCRIPT_DEBUG') )
-	define('SCRIPT_DEBUG', true);
-
 // For an advanced caching plugin to use, static because you would only want one
 if ( defined('WP_CACHE') )
 	@include WP_CONTENT_DIR . '/advanced-cache.php';