diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index 9253204a2..d6dd744d9 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -180,7 +180,6 @@ foreach($wpsmiliestrans as $smiley => $img) {
 define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_settings('home') . '/' ) );
 
 // Some default filters
-add_filter('rewrite_rules','htmlspecialchars');
 add_filter('bloginfo','htmlspecialchars');
 add_filter('category_description', 'wptexturize');
 add_filter('list_cats', 'wptexturize');
@@ -190,4 +189,4 @@ add_filter('single_post_title', 'wptexturize');
 add_filter('the_title', 'wptexturize');
 add_filter('the_content', 'wptexturize');
 add_filter('the_excerpt', 'wptexturize');
-?>
\ No newline at end of file
+?>