diff --git a/BGL/include/CGAL/boost/graph/IO/GOCAD.h b/BGL/include/CGAL/boost/graph/IO/GOCAD.h
index 8470b31be5e..1e9b66eacce 100644
--- a/BGL/include/CGAL/boost/graph/IO/GOCAD.h
+++ b/BGL/include/CGAL/boost/graph/IO/GOCAD.h
@@ -112,7 +112,7 @@ template <typename Graph,
 bool read_GOCAD(std::istream& is,
                 std::pair<std::string, std::string>& name_and_color,
                 Graph& g,
-                const CGAL_BGL_NP_CLASS& np
+                const CGAL_BGL_NP_CLASS& np = parameters::use_default_values()
 #ifndef DOXYGEN_RUNNING
                 , typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr
 #endif
@@ -133,27 +133,14 @@ bool read_GOCAD(std::istream& is,
 
 /// \cond SKIP_IN_MANUAL
 
-template <typename Graph>
-bool read_GOCAD(std::istream& is, std::pair<std::string, std::string>& name_and_color, Graph& g,
-                typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return read_GOCAD(is, name_and_color, g, parameters::all_default());
-}
-
 template <typename Graph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
-bool read_GOCAD(std::istream& is, Graph& g, const CGAL_BGL_NP_CLASS& np,
+bool read_GOCAD(std::istream& is, Graph& g, const CGAL_BGL_NP_CLASS& np = parameters::use_default_values(),
                 typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
 {
   std::pair<std::string, std::string> dummy;
   return read_GOCAD(is, dummy, g, np);
 }
 
-template <typename Graph>
-bool read_GOCAD(std::istream& is, Graph& g,
-                typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return read_GOCAD(is, g, parameters::all_default());
-}
 
 /// \endcond
 
@@ -199,7 +186,7 @@ template <typename Graph,
 bool read_GOCAD(const std::string& fname,
                 std::pair<std::string, std::string>& name_and_color,
                 Graph& g,
-                const CGAL_BGL_NP_CLASS& np
+                const CGAL_BGL_NP_CLASS& np = parameters::use_default_values()
 #ifndef DOXYGEN_RUNNING
                 , typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr
 #endif
@@ -212,28 +199,14 @@ bool read_GOCAD(const std::string& fname,
 
 /// \cond SKIP_IN_MANUAL
 
-template <typename Graph>
-bool read_GOCAD(const std::string& fname, std::pair<std::string, std::string>& name_and_color, Graph& g,
-                typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return read_GOCAD(fname, name_and_color, g, parameters::all_default());
-}
-
 template <typename Graph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
-bool read_GOCAD(const std::string& fname, Graph& g, const CGAL_BGL_NP_CLASS& np,
+bool read_GOCAD(const std::string& fname, Graph& g, const CGAL_BGL_NP_CLASS& np = parameters::use_default_values(),
                 typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
 {
   std::pair<std::string, std::string> dummy;
   return read_GOCAD(fname, dummy, g, np);
 }
 
-template <typename Graph>
-bool read_GOCAD(const std::string& fname, Graph& g,
-                typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return read_GOCAD(fname, g, parameters::all_default());
-}
-
 /// \endcond
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -276,7 +249,7 @@ template <typename Graph,
 bool write_GOCAD(std::ostream& os,
                  const char* name,
                  const Graph& g,
-                 const CGAL_BGL_NP_CLASS& np
+                 const CGAL_BGL_NP_CLASS& np = parameters::use_default_values()
 #ifndef DOXYGEN_RUNNING
                  , typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr
 #endif
@@ -336,17 +309,6 @@ bool write_GOCAD(std::ostream& os,
   return os.good();
 }
 
-/// \cond SKIP_IN_MANUAL
-
-template <typename Graph>
-bool write_GOCAD(std::ostream& os, const char* name, const Graph& g,
-                 typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return write_GOCAD(os, name, g, parameters::all_default());
-}
-
-/// \endcond
-
 /// \ingroup PkgBGLIoFuncsGOCAD
 ///
 /// \brief writes the graph `g` in the  \ref IOStreamGocad into `os`.
@@ -383,7 +345,7 @@ template <typename Graph,
           typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
 bool write_GOCAD(std::ostream& os,
                  const Graph& g,
-                 const CGAL_BGL_NP_CLASS& np
+                 const CGAL_BGL_NP_CLASS& np = parameters::use_default_values()
 #ifndef DOXYGEN_RUNNING
                  , typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr
 #endif
@@ -392,17 +354,6 @@ bool write_GOCAD(std::ostream& os,
   return write_GOCAD(os, "anonymous", g, np);
 }
 
-/// \cond SKIP_IN_MANUAL
-
-template <typename Graph>
-bool write_GOCAD(std::ostream& os, const Graph& g,
-                 typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return write_GOCAD(os, g, parameters::all_default());
-}
-
-/// \endcond
-
 /// \ingroup PkgBGLIoFuncsGOCAD
 ///
 /// \brief writes the graph `g` into a file named `fname`, using the \ref IOStreamGocad.
@@ -439,7 +390,7 @@ template <typename Graph,
           typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
 bool write_GOCAD(const std::string& fname,
                  const Graph& g,
-                 const CGAL_BGL_NP_CLASS& np
+                 const CGAL_BGL_NP_CLASS& np = parameters::use_default_values()
 #ifndef DOXYGEN_RUNNING
                  , typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr
 #endif
@@ -451,17 +402,6 @@ bool write_GOCAD(const std::string& fname,
   return write_GOCAD(os, fname.c_str(), g, np);
 }
 
-/// \cond SKIP_IN_MANUAL
-
-template <typename Graph>
-bool write_GOCAD(const std::string& fname, const Graph& g,
-                 typename boost::disable_if<internal::is_Point_set_or_Range_or_Iterator<Graph> >::type* = nullptr)
-{
-  return write_GOCAD(fname, g, parameters::all_default());
-}
-
-/// \endcond
-
 }} // namespace CGAL::IO
 
 #endif // CGAL_BGL_IO_GOCAD_H
diff --git a/BGL/include/CGAL/boost/graph/Named_function_parameters.h b/BGL/include/CGAL/boost/graph/Named_function_parameters.h
index ae633f331f0..61a6fa5c619 100644
--- a/BGL/include/CGAL/boost/graph/Named_function_parameters.h
+++ b/BGL/include/CGAL/boost/graph/Named_function_parameters.h
@@ -21,7 +21,7 @@
 #include <type_traits>
 #include <utility>
 
-#define CGAL_BGL_NP_TEMPLATE_PARAMETERS T, typename Tag, typename Base
+#define CGAL_BGL_NP_TEMPLATE_PARAMETERS T=bool, typename Tag=CGAL::internal_np::all_default_t, typename Base=CGAL::internal_np::No_property
 #define CGAL_BGL_NP_CLASS CGAL::Named_function_parameters<T,Tag,Base>