diff --git a/apps/metro/mesh_type.h b/apps/metro/mesh_type.h
index fc03054a..a14015c7 100644
--- a/apps/metro/mesh_type.h
+++ b/apps/metro/mesh_type.h
@@ -37,7 +37,6 @@ just color and quality on the vertex
 #ifndef _CMESH_H
 #define _CMESH_H
 
-#pragma warning(disable:4786 4804 4666) 
 
 #include <math.h>
 #include <vcg/space/index/grid_static_ptr.h>
@@ -49,10 +48,11 @@ just color and quality on the vertex
 #include <vcg/simplex/face/base.h>
 #include <vcg/simplex/face/component.h>
 #include <vcg/simplex/face/component_rt.h>
-class MyEdge;
 class CFace;
-class CVertex   : public vcg::VertexSimp2<CVertex,MyEdge,CFace,vcg::vertex::Coord3d,vcg::vertex::Qualityf,vcg::vertex::Normal3d,vcg::vertex::Color4b,vcg::vertex::BitFlags> {};
-class CFace     : public vcg::FaceSimp2< CVertex,MyEdge,CFace,vcg::face::VertexRef, vcg::face::Normal3d, vcg::face::EdgePlane,vcg::face::Color4b,vcg::face::Mark,vcg::face::BitFlags> {};
+class CVertex;
+struct UsedTypes:public vcg::UsedTypes< vcg::Use<CFace>::AsFaceType, vcg::Use<CVertex>::AsVertexType>{};
+class CVertex   : public vcg::Vertex<UsedTypes,vcg::vertex::Coord3d,vcg::vertex::Qualityf,vcg::vertex::Normal3d,vcg::vertex::Color4b,vcg::vertex::BitFlags> {};
+class CFace     : public vcg::Face< UsedTypes,vcg::face::VertexRef, vcg::face::Normal3d, vcg::face::EdgePlane,vcg::face::Color4b,vcg::face::Mark,vcg::face::BitFlags> {};
 class CMesh     : public vcg::tri::TriMesh< std::vector<CVertex>, std::vector<CFace> > {};
 
 #endif