diff --git a/Arrangement_on_surface_2/include/CGAL/Arr_dcel_base.h b/Arrangement_on_surface_2/include/CGAL/Arr_dcel_base.h
index dccda40981b..39a618a754d 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arr_dcel_base.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arr_dcel_base.h
@@ -34,8 +34,6 @@
 #include <CGAL/Arrangement_2/Arrangement_2_iterators.h>
 #include <CGAL/assertions.h>
 
-#include <boost/pool/pool_alloc.hpp>
-
 namespace CGAL {
 
 inline void* _clean_pointer(const void* p)
@@ -964,7 +962,7 @@ public:
  * The arrangement DCEL class.
  */
 template <class V, class H, class F,
-          class Allocator = boost::fast_pool_allocator<int> >
+          class Allocator = CGAL_ALLOCATOR(int) >
 class Arr_dcel_base {
 public:
   // Define the vertex, halfedge and face types.
diff --git a/Arrangement_on_surface_2/include/CGAL/Arrangement_on_surface_2.h b/Arrangement_on_surface_2/include/CGAL/Arrangement_on_surface_2.h
index 505dc543431..6c038ae6935 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arrangement_on_surface_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arrangement_on_surface_2.h
@@ -48,8 +48,6 @@
 #include <CGAL/Iterator_transform.h>
 #include <CGAL/Arr_point_location_result.h>
 
-#include <boost/pool/pool_alloc.hpp>
-
 namespace CGAL {
 
 /*! \class Arrangement_on_surface_2
@@ -68,7 +66,7 @@ class Arrangement_on_surface_2 {
 public:
   typedef GeomTraits_                                     Geometry_traits_2;
   typedef TopTraits_                                      Topology_traits;
-  typedef boost::fast_pool_allocator<int>                 Allocator;
+  typedef CGAL_ALLOCATOR(int)                             Allocator;
 
   // first define adaptor ...
   typedef Arr_traits_basic_adaptor_2<Geometry_traits_2>   Traits_adaptor_2;