diff --git a/wp-includes/kses.php b/wp-includes/kses.php
index ecb037613..1e105d3b0 100644
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -377,8 +377,6 @@ function wp_kses_no_null($string)
 	$string = preg_replace('/\0+/', '', $string);
 	$string = preg_replace('/(\\\\0)+/', '', $string);
 
-	$string = preg_replace('/\xad+/', '', $string); # deals with Opera "feature"
-
 	return $string;
 } # function wp_kses_no_null