Index: wp-includes/wp-db.php
===================================================================
--- wp-includes/wp-db.php	(revision 7714)
+++ wp-includes/wp-db.php	(working copy)
@@ -11,9 +11,6 @@
 define('ARRAY_A', 'ARRAY_A', false);
 define('ARRAY_N', 'ARRAY_N', false);
 
-if (!defined('SAVEQUERIES'))
-	define('SAVEQUERIES', false);
-
 class wpdb {
 
 	var $show_errors = false;
@@ -279,13 +276,13 @@
 		$this->last_query = $query;
 
 		// Perform the query via std mysql_query function..
-		if (SAVEQUERIES)
+		if ( defined('SAVEQUERIES') && SAVEQUERIES )
 			$this->timer_start();
 
 		$this->result = @mysql_query($query, $this->dbh);
 		++$this->num_queries;
 
-		if (SAVEQUERIES)
+		if ( defined('SAVEQUERIES') && SAVEQUERIES )
 			$this->queries[] = array( $query, $this->timer_stop(), $this->get_caller() );
 
 		// If there is an error then take note of it..