diff --git a/Arrangement_on_surface_2/include/CGAL/Arr_geodesic_arc_on_sphere_traits_2.h b/Arrangement_on_surface_2/include/CGAL/Arr_geodesic_arc_on_sphere_traits_2.h
index d2a81433d2f..fafab0291fb 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arr_geodesic_arc_on_sphere_traits_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arr_geodesic_arc_on_sphere_traits_2.h
@@ -1194,8 +1194,7 @@ public:
      */
     Comparison_result operator()(const X_monotone_curve_2& xc1,
                                  const X_monotone_curve_2& xc2,
-                                 const Point_2&
-                                 CGAL_precondition_code(p)) const
+                                 const Point_2& p) const
     {
       CGAL_precondition(! xc1.is_degenerate());
       CGAL_precondition(! xc2.is_degenerate());