diff --git a/config.sample.php b/config.sample.php
index c953f18305761223b5e2d7e5f7eda24b024620c7..63c3de9f5c2943cfe48ac07bad3a9c50cd9fb83b 100644
--- a/config.sample.php
+++ b/config.sample.php
@@ -8,4 +8,3 @@ error_reporting(E_ALL);
 include __DIR__ . '/vendor/autoload.php';
 
 UNL_TourMap::$url = 'http://localhost/workspace/UNL_TourMap/www/';
-UNL_TourMap_Marker_Image::$image_dir = dirname(__FILE__).'/www/images';