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diff --git a/include/gudhi/Contraction/policies/Cost_policy.h b/include/gudhi/Contraction/policies/Cost_policy.h
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--- a/include/gudhi/Contraction/policies/Cost_policy.h
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-/* This file is part of the Gudhi Library. The Gudhi library
- * (Geometric Understanding in Higher Dimensions) is a generic C++
- * library for computational topology.
- *
- * Author(s): David Salinas
- *
- * Copyright (C) 2014 Inria
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef CONTRACTION_POLICIES_COST_POLICY_H_
-#define CONTRACTION_POLICIES_COST_POLICY_H_
-
-#include <boost/optional.hpp>
-
-namespace Gudhi {
-
-namespace contraction {
-
-/**
- *@brief Policy to specify the cost of contracting an edge.
- *@ingroup contr
- */
-template< typename EdgeProfile>
-class Cost_policy {
- public:
- typedef typename EdgeProfile::Point Point;
- typedef typename EdgeProfile::Graph_vertex Graph_vertex;
-
- typedef boost::optional<double> Cost_type;
-
- virtual Cost_type operator()(const EdgeProfile& profile, const boost::optional<Point>& placement) const = 0;
-
- virtual ~Cost_policy() { }
-};
-
-} // namespace contraction
-
-} // namespace Gudhi
-
-#endif // CONTRACTION_POLICIES_COST_POLICY_H_