diff --git a/vcg/complex/algorithms/local_optimization/tri_edge_collapse_quadric.h b/vcg/complex/algorithms/local_optimization/tri_edge_collapse_quadric.h
index b30565aa..f6e9f640 100644
--- a/vcg/complex/algorithms/local_optimization/tri_edge_collapse_quadric.h
+++ b/vcg/complex/algorithms/local_optimization/tri_edge_collapse_quadric.h
@@ -129,7 +129,7 @@ namespace tri{
       static math::Quadric<double> &Qd(VERTEX_TYPE *v) {return v->Qd();}
       static typename VERTEX_TYPE::ScalarType W(VERTEX_TYPE */*v*/) {return 1.0;}
       static typename VERTEX_TYPE::ScalarType W(VERTEX_TYPE &/*v*/) {return 1.0;}
-      static void Merge(VERTEX_TYPE & v_dest, VERTEX_TYPE const & v_del){}
+      static void Merge(VERTEX_TYPE & /*v_dest*/, VERTEX_TYPE const & /*v_del*/){}
 		};