diff --git a/Mesh_3/demo/Mesh_3/Mesh_function.h b/Mesh_3/demo/Mesh_3/Mesh_function.h
index b9e8e8e7147..5da56a79f68 100644
--- a/Mesh_3/demo/Mesh_3/Mesh_function.h
+++ b/Mesh_3/demo/Mesh_3/Mesh_function.h
@@ -25,7 +25,7 @@
 #ifndef CGAL_DEMO_MESH_3_MESH_FUNCTION_H
 #define CGAL_DEMO_MESH_3_MESH_FUNCTION_H
 
-//#define CGAL_MESH_3_MESHER_STATUS_ACTIVATED 1
+#define CGAL_MESH_3_MESHER_STATUS_ACTIVATED 1
 
 #include <CGAL/Mesh_3/Concurrent_mesher_config.h>
 
@@ -55,23 +55,6 @@ struct Mesh_parameters
 };
 
 
-template < typename EdgeCriteria >
-struct Edge_criteria_sizing_field_wrapper
-{
-  typedef typename EdgeCriteria::Index    Index;
-  typedef typename EdgeCriteria::FT       FT;
-  typedef typename EdgeCriteria::Point_3  Point_3;
-
-  Edge_criteria_sizing_field_wrapper(const EdgeCriteria& ec) : ec_(ec) {}
-  FT operator()(const Point_3& p, const int dim, const Index& index) const
-  { return ec_.sizing_field(p,dim,index); }
-
-private:
-  // No need to copy EdgeCriteria here
-  const EdgeCriteria& ec_;
-};
-
-
 template < typename Domain_ >
 class Mesh_function
   : public Mesh_function_interface
@@ -200,8 +183,8 @@ launch()
 
   // Build mesher and launch refinement process
   mesher_ = new Mesher(c3t3_, *domain_, criteria);
-  mesher_->refine_mesh();
-  /*mesher_->initialize();
+  // mesher_->refine_mesh();
+  mesher_->initialize();
   
 #ifdef CGAL_MESH_3_PROFILING
   WallClockTimer t;
@@ -215,7 +198,6 @@ launch()
 #ifdef CGAL_MESH_3_PROFILING
   std::cerr << "Full refinement time (without fix_c3t3): " << t.elapsed() << " seconds." << std::endl;
 #endif
-  */
   
   // Ensure c3t3 is ok (usefull if process has been stop by the user)
   mesher_->fix_c3t3();