diff --git a/lib/Cake/Routing/Router.php b/lib/Cake/Routing/Router.php
index 61905842a69..97c96464508 100644
--- a/lib/Cake/Routing/Router.php
+++ b/lib/Cake/Routing/Router.php
@@ -374,7 +374,6 @@ public static function redirect($route, $url, $options = array()) {
  * @return array Array of mapped resources
  */
 	public static function mapResources($controller, $options = array()) {
-		$hasPrefix = isset($options['prefix']);
 		$options = array_merge(array(
 			'id' => static::ID . '|' . static::UUID
 		), $options);