Index: wp-includes/classes.php
===================================================================
--- wp-includes/classes.php	(revision 12350)
+++ wp-includes/classes.php	(working copy)
@@ -423,6 +423,9 @@
 			$GLOBALS['more'] = 1;
 			$GLOBALS['single'] = 1;
 		}
+
+		if ( !WP_DEBUG && !current_user_can('manage_options') )
+			$GLOBALS['debug'] = false;
 	}
 
 	/**