diff --git a/source/model/modelutils.js b/source/model/modelutils.js
index fc0f3e0..61789b2 100644
--- a/source/model/modelutils.js
+++ b/source/model/modelutils.js
@@ -220,8 +220,3 @@ OV.EnumerateModelTrianglesWithNormals = function (model, onTriangle)
         }
     }
 };
-
-OV.IsModelClosed ()
-{
-    
-};