diff --git a/build/library.cfg b/build/library.cfg
index 5cf5ab418f..7905f73fdc 100644
--- a/build/library.cfg
+++ b/build/library.cfg
@@ -8,5 +8,4 @@ OpenLayers.js
 
 [exclude]
 OpenLayers/Layer/Yahoo.js
-OpenLayers/Layer/WMS/Untiled.js
 OpenLayers/Control/KeyboardDefaults.js