diff --git a/js/lightbox.js b/js/lightbox.js
index 69a497452a84c40a06f788abce99cdd6a023876b..701b3e9c8d28feba9a48651de677d317e57f2c7b 100644
--- a/js/lightbox.js
+++ b/js/lightbox.js
@@ -1155,13 +1155,12 @@ var Lightbox = {
     return (jQuery.inArray(key, keys) != -1 || jQuery.inArray(String(code), keys) != -1);
   },
 
-  filterXSS: function(str, allowed_tags) {
+  filterXSS: function(str) {
     var output = "";
     $.ajax({
       url: Drupal.settings.basePath + 'system/lightbox2/filter-xss',
       data: {
-        'string' : str,
-        'allowed_tags' : allowed_tags
+        'string' : str
       },
       type: "POST",
       async: false,
diff --git a/lightbox2.module b/lightbox2.module
index 206020df016e9e4650f51c9fff8b757ca9d6dd90..1be0864209d9aead870d3ab016228a3190d27980 100644
--- a/lightbox2.module
+++ b/lightbox2.module
@@ -1352,13 +1352,7 @@ function lightbox2_views_api() {
 function lightbox2_filter_xss() {
   $allowed_tags = trim(variable_get('lightbox2_filter_xss_allowed_tags', 'p, br, a, em, strong, cite, code, ul, ol, li, dl, dt, dd'));
   $allowed_tags = (empty($allowed_tags) ? array() : preg_split('/[,\s]+/', $allowed_tags));
-  if (!empty($_POST['allowed_tags']) && $_POST['allowed_tags'] != 'undefined') {
-    $allowed_tags = explode(',', $_POST['allowed_tags']);
-    $output = filter_xss($_POST['string'], $allowed_tags);
-  }
-  else {
-    $output = filter_xss($_POST['string'], $allowed_tags);
-  }
+  $output = filter_xss($_POST['string'], $allowed_tags);
   drupal_json($output);
 }