diff --git a/Convex_hull_d/include/CGAL/Convex_hull_d.h b/Convex_hull_d/include/CGAL/Convex_hull_d.h
index 17d92202ed5..c497b5e064e 100644
--- a/Convex_hull_d/include/CGAL/Convex_hull_d.h
+++ b/Convex_hull_d/include/CGAL/Convex_hull_d.h
@@ -269,12 +269,15 @@ class Convex_hull_d : public Regular_complex_d<R_>
 typedef Regular_complex_d<R_> Base;
 typedef Convex_hull_d<R_>     Self;
 
-using Base::new_simplex;
-
 public:
 
-using Base::kernel;
-using Base::dcur;
+  using Base::new_simplex;
+  using Base::new_vertex;
+  using Base::associate_vertex_with_simplex;
+  using Base::set_neighbor;
+
+  using Base::kernel;
+  using Base::dcur;
 
 /*{\Xgeneralization Regular_complex_d<R>}*/
 /*{\Mtypes 6.5}*/
diff --git a/Convex_hull_d/include/CGAL/Delaunay_d.h b/Convex_hull_d/include/CGAL/Delaunay_d.h
index ae58b3ccc0a..a5359059f87 100644
--- a/Convex_hull_d/include/CGAL/Delaunay_d.h
+++ b/Convex_hull_d/include/CGAL/Delaunay_d.h
@@ -93,11 +93,12 @@ class Delaunay_d : public Convex_hull_d<Lifted_R_>
 typedef Delaunay_d<R_,Lifted_R_> Self;
 typedef Convex_hull_d<Lifted_R_> Base;
 
-using Base::origin_simplex_;
+  using Base::origin_simplex_;
 
 public:
 
-using Base::dcur;
+  using Base::associate_vertex_with_simplex;
+  using Base::dcur;
 
 /*{\Mgeneralization Convex_hull_d<Lifted_R>}*/
 
diff --git a/Convex_hull_d/include/CGAL/Regular_complex_d.h b/Convex_hull_d/include/CGAL/Regular_complex_d.h
index 9dca377ca10..0e7c73cd886 100644
--- a/Convex_hull_d/include/CGAL/Regular_complex_d.h
+++ b/Convex_hull_d/include/CGAL/Regular_complex_d.h
@@ -567,8 +567,8 @@ intersection of any two simplices is a facet of both.}*/
 
 typedef size_t Size_type;
 
-Size_type number_of_vertices() const  { return this->_vertices.size();}
-Size_type number_of_simplices() const  { return this->_simplices.size();}
+Size_type number_of_vertices() const  { return this->vertices_.size();}
+Size_type number_of_simplices() const  { return this->simplices_.size();}
 
 void print_statistics(std::ostream& os = std::cout) const
 {