diff --git a/cake/libs/sanitize.php b/cake/libs/sanitize.php
index 9f42cde1d7b..86a70fafcbf 100644
--- a/cake/libs/sanitize.php
+++ b/cake/libs/sanitize.php
@@ -261,8 +261,6 @@ function clean($data, $options = array()) {
 				$data = str_replace("\r", "", $data);
 			}
 
-			$data = str_replace("'", "'", str_replace("!", "!", $data));
-
 			if ($options['unicode']) {
 				$data = preg_replace("/&#([0-9]+);/s", "&#\\1;", $data);
 			}