diff --git a/include/Algo/Modelisation/planeCutting.hpp b/include/Algo/Modelisation/planeCutting.hpp
index 35be65f36e469591eef1708bb898bd36b4800328..473312e5d556a576252f6302a6ec99e7302eb0f1 100644
--- a/include/Algo/Modelisation/planeCutting.hpp
+++ b/include/Algo/Modelisation/planeCutting.hpp
@@ -13,7 +13,7 @@ namespace Modelisation
 /*
 template <typename PFP>
 void planeCut(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& position, const Geom::Plane3D<typename PFP::REAL>& plane,
-			  CellMarker<FACE>& cmf_over, bool keepTriangles=false, bool with_unsew = true)
+			  CellMarker<FACE>& cmf_over, bool keepTriangles, bool with_unsew)
 {
 	typedef typename PFP::REAL REAL;
 
@@ -130,7 +130,7 @@ void planeCut(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& posit
 
 template <typename PFP>
 void planeCut(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& position, const Geom::Plane3D<typename PFP::REAL>& plane,
-			  CellMarker<FACE>& cmf_over, bool keepTriangles=false, bool with_unsew)
+			  CellMarker<FACE>& cmf_over, bool keepTriangles, bool with_unsew)
 {
 	typedef typename PFP::REAL REAL;
 
@@ -393,7 +393,7 @@ namespace Modelisation
 
 template <typename PFP>
 void planeCut(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& position, const Geom::Plane3D<typename PFP::REAL>& plane,
-			  CellMarker<FACE>& cmf_over, bool keepTetrahedra=false, bool with_unsew)
+			  CellMarker<FACE>& cmf_over, bool keepTetrahedra, bool with_unsew)
 {
 	typedef typename PFP::REAL REAL;