diff --git a/Nef_3/examples/Nef_3/draw_nef_3.cpp b/Nef_3/examples/Nef_3/draw_nef_3.cpp
index d15584675db..06727eac187 100644
--- a/Nef_3/examples/Nef_3/draw_nef_3.cpp
+++ b/Nef_3/examples/Nef_3/draw_nef_3.cpp
@@ -1,60 +1,27 @@
 #include <CGAL/Exact_predicates_exact_constructions_kernel.h>
-//#include <CGAL/Exact_integer.h>
-//#include <CGAL/Extended_homogeneous.h>
 #include <CGAL/Nef_polyhedron_3.h>
 #include <CGAL/Polyhedron_3.h>
 #include <CGAL/draw_nef_3.h>
-#include <CGAL/Surface_mesh.h>
-#include <CGAL/boost/graph/convert_nef_polyhedron_to_polygon_mesh.h>
 
 #include <fstream>
 #include <iostream>
 
-typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;
-//typedef CGAL::Exact_integer NT;
-//typedef CGAL::Extended_homogeneous<NT> Kernel;
-typedef CGAL::Surface_mesh<Kernel::Point_3> Surface_mesh;
-typedef CGAL::Nef_polyhedron_3<Kernel> Nef_polyhedron;
-typedef Nef_polyhedron::Plane_3 Plane_3;
-typedef CGAL::Polyhedron_3<Kernel> Polyhedron;
+typedef CGAL::Exact_predicates_exact_constructions_kernel   Kernel;
+typedef CGAL::Polyhedron_3<Kernel>                          Polyhedron;
+typedef CGAL::Nef_polyhedron_3<Kernel>                      Nef_polyhedron;
 
 int main(int argc, char *argv[])
 {
+  // read OFF file into a polyhedron
   Polyhedron P;
   std::ifstream ifs((argc > 1) ? argv[1] : "data/cross.off");
   ifs >> P;
-  std::cout << "============== Polyhedron =============" << std::endl
-            << std::endl;
-  std::cout << "Number of vertices: " << P.size_of_vertices() << std::endl;
-  std::cout << "Number of halfedges: " << P.size_of_halfedges() << std::endl;
-  std::cout << "Number of facets: " << P.size_of_facets() << std::endl
-            << std::endl;
 
+  // initialize nef from polyhedron
   Nef_polyhedron N(P);
 
-  std::cout << "================= Nef ==================" << std::endl
-            << std::endl;
-  std::cout << "Number of volumes: " << N.number_of_volumes() << std::endl;
-  std::cout << "Number of vertices: " << N.number_of_vertices() << std::endl;
-  std::cout << "Number of edges: " << N.number_of_edges() << std::endl;
-  std::cout << "Number of facets: " << N.number_of_facets() << std::endl
-            << std::endl;
-  std::cout << "Number of halfedges: " << N.number_of_halfedges() << std::endl;
-  std::cout << "Number of halffacets: " << N.number_of_halffacets() << std::endl
-            << std::endl;
-  std::cout << "Number of sfaces: " << N.number_of_sfaces() << std::endl;
-  std::cout << "Number of shalfedges : " << N.number_of_shalfedges()
-            << std::endl;
-  std::cout << "Number of shalfloops: " << N.number_of_shalfloops() << std::endl
-            << std::endl;
-
-  // output the result into a Surface_mesh
-  Surface_mesh output;
-  CGAL::convert_nef_polyhedron_to_polygon_mesh(N, output);
-  std::ofstream out;
-  out.open("out.off");
-  out << output;
-  out.close();
-
+  // draw Nef Polyhedron
   CGAL::draw(N);
+
+  return EXIT_SUCCESS;
 }