diff --git a/apps/sample/trimesh_base/trimesh_definition.cpp b/apps/sample/trimesh_base/trimesh_definition.cpp
deleted file mode 100644
index 1a6588b8..00000000
--- a/apps/sample/trimesh_base/trimesh_definition.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <vector>
-
-#include <vcg/simplex/vertex/base.h>   
-#include <vcg/simplex/vertex/component.h>   
-#include <vcg/simplex/face/base.h>   
-#include <vcg/simplex/face/component.h>   
-
-#include <vcg/complex/complex.h>   
-
-class MyEdge;
-class MyFace;
-
-class MyVertex: public vcg::VertexSimp2<MyVertex,MyEdge,MyFace, vcg::vert::Coord3d, vcg::vert::Normal3f>{};
-class MyFace: public vcg::FaceSimp2<MyVertex,MyEdge,MyFace, vcg::face::VertexRef>{};
-
-class MyMesh: public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace> > {};
-
-int main()
-{
-	MyMesh m;
-	return 0;
-}
\ No newline at end of file