diff --git a/Mesh_2/include/CGAL/lloyd_optimize_mesh_2.h b/Mesh_2/include/CGAL/lloyd_optimize_mesh_2.h
index 48b1457c19f..f56e73fe100 100644
--- a/Mesh_2/include/CGAL/lloyd_optimize_mesh_2.h
+++ b/Mesh_2/include/CGAL/lloyd_optimize_mesh_2.h
@@ -71,7 +71,6 @@ BOOST_PARAMETER_NAME( (mark, tag) mark_)
 
 namespace CGAL
 {
-  using namespace parameters;
 
 #if defined(BOOST_MSVC)
 #  pragma warning(push)