diff --git a/contribution/branches/PSO-DVRP/eoPsoDVRPvelocity.h b/contribution/branches/PSO-DVRP/eoPsoDVRPvelocity.h
deleted file mode 100644
index 7c0d5d31f..000000000
--- a/contribution/branches/PSO-DVRP/eoPsoDVRPvelocity.h
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * Copyright (C) DOLPHIN Project-Team, INRIA Lille Nord-Europe, 2007-2008
- * (C) OPAC Team, LIFL, 2002-2008
- *
- * (c) Mostepha Redouane Khouadjia <mr.khouadjia@ed.univ-lille1.fr>, 2008
- *
- * This software is governed by the CeCILL license under French law and
- * abiding by the rules of distribution of free software.  You can  use,
- * modify and/ or redistribute the software under the terms of the CeCILL
- * license as circulated by CEA, CNRS and INRIA at the following URL
- * "http://www.cecill.info".
- *
- * As a counterpart to the access to the source code and  rights to copy,
- * modify and redistribute granted by the license, users are provided only
- * with a limited warranty  and the software's author,  the holder of the
- * economic rights,  and the successive licensors  have only  limited liability.
- *
- * In this respect, the user's attention is drawn to the risks associated
- * with loading,  using,  modifying and/or developing or reproducing the
- * software by the user in light of its specific status of free software,
- * that may mean  that it is complicated to manipulate,  and  that  also
- * therefore means  that it is reserved for developers  and  experienced
- * professionals having in-depth computer knowledge. Users are therefore
- * encouraged to load and test the software's suitability as regards their
- * requirements in conditions enabling the security of their systems and/or
- * data to be ensured and,  more generally, to use and operate it in the
- * same conditions as regards security.
- * The fact that you are presently reading this means that you have had
- * knowledge of the CeCILL license and that you accept its terms.
- *
- * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
- * Contact: paradiseo-help@lists.gforge.inria.fr
- *
- */
-
-#ifndef EOPSODVRPVELOCITY_H_
-#define EOPSODVRPVELOCITY_H_
-
-#include"eoPsoDVRP.h"
-
-
-template < class POT >
-
-class eoPsoDVRPvelocity:public eoVelocity < POT >
-{
-
-public:
-
-	typedef typename POT::ParticleVelocityType VelocityType;
-
-	eoPsoDVRPvelocity( eoDVRPStarTopology<POT> & _topology,
-
-			 			const double & _w,
-
-			 			const double & _c1,
-
-			 			const double & _c2): topology(_topology),
-
-			 			omega(_w),c1(_c1),c2(_c2){}
-
-
-
-	 void updateNeighborhood(POT & _po,unsigned _indice)
-	 {
-
-		 topology.updateNeighborhood(_po,_indice);
-
-	 }
-
-	 void updateNeighborhood(eoPop<POT> & _pop,unsigned _indice = 0)
-		 {
-
-			 for (size_t i =0, size = _pop.size() ; i < size; i++)
-
-				 topology.updateNeighborhood(_pop[i],_indice);
-
-		 }
-
-
-	 eoTopology<POT> & getTopology ()
-	 {
-		  return topology;
-	 }
-
-
-
-
-	 void operator()(POT & _po,unsigned _indice)  {
-
-
-		 VelocityType newVelocity;
-
-
-		 if(_po.size()!=_po.velocities.size() || _po.bestPositions.size()!= _po.velocities.size())
-
-			 std::cerr<<"The size of the particle is different to the velocity size...!"<<endl;
-
-
-		 if (_po.pRoutes.size() == 0 || _po.bestRoutes.size() ==0)
-
-			 std::cerr<<" The current position tours, or the best position tours are empty ....!!!!"<<endl;
-
-
-		 int Vlimit = _po.pRoutes.size()-1;
-
-
-		 for (unsigned j = 0, size = _po.velocities.size();  j < size ; j++)
-		 {
-
-		   newVelocity= static_cast<int> (omega * _po.velocities[j] + c1 * (_po.bestPositions[j] - _po[j]) +  c2 * (topology.best(_indice).bestPositions[j] - _po[j]));
-
-
-		   _po.velocities[j]= _po.planifiedCustomers[j].velocity =  randVelocity(_po.pRoutes.size()-1) ;//boundVelocity(newVelocity, Vlimit);
-
-
-	     }
-
-		 _po.normalizeVelocities();
-
-
-   }
-
-
-		/* eoRealVectorBounds bounds(_po.size(),-Vlimit,Vlimit);
-
-		 bounds.adjust_size(_po.size());*/
-
-	 /* if (bounds.isMinBounded(j))
-	   newVelocity=std::max(newVelocity,bounds.minimum(j));
-	   if (bounds.isMaxBounded(j))
-		   newVelocity=std::min(newVelocity,bounds.maximum(j));*/
-
-
-
-	 VelocityType boundVelocity(VelocityType velocity, int limit)
-	 {
-		 if(limit == 0)
-
-			 return 0;
-	     else
-
-		 if(velocity < -limit)
-
-		 		return (velocity % -limit);
-
-		  else
-
-			  if (velocity > limit)
-
-		        return (velocity % limit);
-
-			  else
-
-				return velocity;
-	 }
-
-
-private:
-
-	eoDVRPStarTopology<POT> & topology;
-
-	const double & omega;  // social/cognitive coefficient
-
-	const double & c1;  // social/cognitive coefficient
-
-	const double & c2;  // social/cognitive coefficient
-
-
-};
-
-
-
-
-
-#endif /*EOPSODVRPVELOCITY_H_*/