diff --git a/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/is_reflex_sedge.h b/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/is_reflex_sedge.h
index 00fb8fd5188..866aebf1492 100644
--- a/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/is_reflex_sedge.h
+++ b/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/is_reflex_sedge.h
@@ -85,7 +85,6 @@ int is_reflex_sedge(typename SNC_structure::SHalfedge_handle se,
   CGAL_NEF_TRACEN("  e " << e->source()->point() 
 		  << "->" << e->twin()->source()->point()
 		  << " (" << e->point() << ")");
-  CGAL_NEF_TRACEN("  marks " << se->incident_sface()->mark());
   
   if(e->point() == dir || e->point() == CGAL::ORIGIN - dir)
     return 0;