diff --git modules/image/image.module modules/image/image.module
index 71c96e3..ee1592e 100644
--- modules/image/image.module
+++ modules/image/image.module
@@ -72,7 +72,7 @@ function image_menu() {
   $items = array();
 
   // Generate image derivatives of publicly available files.
-  // If clean URLs are disabled, image derivatives will always be served 
+  // If clean URLs are disabled, image derivatives will always be served
   // through the menu system.
   // If clean URLs are enabled and the image derivative already exists,
   // PHP will be bypassed.
@@ -647,7 +647,7 @@ function image_style_options($include_empty = TRUE) {
  * Menu callback; Given a style and image path, generate a derivative.
  *
  * After generating an image, transfer it to the requesting agent.
- * 
+ *
  * @param $style
  *   The image style
  */
@@ -656,7 +656,7 @@ function image_style_deliver($style, $scheme) {
   if (!$style || !file_stream_wrapper_valid_scheme($scheme)) {
     drupal_exit();
   }
-  
+
   $args = func_get_args();
   array_shift($args);
   array_shift($args);
@@ -664,8 +664,8 @@ function image_style_deliver($style, $scheme) {
 
   $image_uri = $scheme . '://' . $target;
   $derivative_uri = image_style_path($style['name'], $image_uri);
-  
-  // If using the private scheme, let other modules provide headers and 
+
+  // If using the private scheme, let other modules provide headers and
   // control access to the file.
   if ($scheme == 'private') {
     if (file_exists($derivative_uri)) {
@@ -1110,16 +1110,6 @@ function theme_image_style($variables) {
 }
 
 /**
- * Accept a percentage and return it in pixels.
- */
-function image_filter_percent($value, $current_pixels) {
-  if (strpos($value, '%') !== FALSE) {
-    $value = str_replace('%', '', $value) * 0.01 * $current_pixels;
-  }
-  return $value;
-}
-
-/**
  * Accept a keyword (center, top, left, etc) and return it as a pixel offset.
  *
  * @param $value