diff --git a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_hierarchy_2.h b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_hierarchy_2.h
index 52c0f9e2579..583f5e42845 100644
--- a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_hierarchy_2.h
+++ b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_hierarchy_2.h
@@ -37,26 +37,13 @@
 #include <CGAL/Segment_Delaunay_graph_hierarchy_vertex_base_2.h>
 #include <CGAL/Segment_Delaunay_graph_face_base_2.h>
 
+#include <CGAL/Segment_Delaunay_graph_hierarchy_2.h>
 
 namespace CGAL {
 
 //--------------------------------------------------------------------
 //--------------------------------------------------------------------
 
-// parameterization of the hierarchy
-#ifdef CGAL_SDG_HIERARCHY_DEMO
-const unsigned int sdg_hierarchy_2__ratio    = 3;
-const unsigned int sdg_hierarchy_2__minsize  = 5;
-#else
-const unsigned int sdg_hierarchy_2__ratio    = 30;
-const unsigned int sdg_hierarchy_2__minsize  = 20;
-#endif
-const unsigned int sdg_hierarchy_2__maxlevel = 5;
-// maximal number of points is 30^5 = 24 millions !
-
-//--------------------------------------------------------------------
-//--------------------------------------------------------------------
-
 template < class Gt,
 	   class ST = Segment_Delaunay_graph_storage_traits_2<Gt>,
 	   class STag = Tag_false,