diff --git a/lemon/lp_soplex.h b/lemon/lp_soplex.h
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--- a/lemon/lp_soplex.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* -*- mode: C++; indent-tabs-mode: nil; -*-
- *
- * This file is a part of LEMON, a generic C++ optimization library.
- *
- * Copyright (C) 2003-2008
- * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
- * (Egervary Research Group on Combinatorial Optimization, EGRES).
- *
- * Permission to use, modify and distribute this software is granted
- * provided that this copyright notice appears in all copies. For
- * precise terms see the accompanying LICENSE file.
- *
- * This software is provided "AS IS" with no warranty of any kind,
- * express or implied, and with no claim as to its suitability for any
- * purpose.
- *
- */
-
-#ifndef LEMON_LP_SOPLEX_H
-#define LEMON_LP_SOPLEX_H
-
-///\file
-///\brief Header of the LEMON-SOPLEX lp solver interface.
-
-#include <vector>
-#include <string>
-
-#include <lemon/lp_base.h>
-
-// Forward declaration
-namespace soplex {
-  class SoPlex;
-}
-
-namespace lemon {
-
-  /// \ingroup lp_group
-  ///
-  /// \brief Interface for the SOPLEX solver
-  ///
-  /// This class implements an interface for the SoPlex LP solver.
-  /// The SoPlex library is an object oriented lp solver library
-  /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
-  /// Berlin (ZIB). You can find detailed information about it at the
-  /// <tt>http://soplex.zib.de</tt> address.
-  class LpSoplex : public LpSolver {
-  private:
-
-    soplex::SoPlex* soplex;
-
-    std::vector<std::string> _col_names;
-    std::map<std::string, int> _col_names_ref;
-
-    std::vector<std::string> _row_names;
-    std::map<std::string, int> _row_names_ref;
-
-  private:
-
-    // these values cannot be retrieved element by element
-    mutable std::vector<Value> _primal_values;
-    mutable std::vector<Value> _dual_values;
-
-    mutable std::vector<Value> _primal_ray;
-    mutable std::vector<Value> _dual_ray;
-
-    void _clear_temporals();
-
-  public:
-
-    /// \e
-    LpSoplex();
-    /// \e
-    LpSoplex(const LpSoplex&);
-    /// \e
-    ~LpSoplex();
-
-  protected:
-
-    virtual LpSoplex* _newSolver() const;
-    virtual LpSoplex* _cloneSolver() const;
-
-    virtual const char* _solverName() const;
-
-    virtual int _addCol();
-    virtual int _addRow();
-
-    virtual void _eraseCol(int i);
-    virtual void _eraseRow(int i);
-
-    virtual void _eraseColId(int i);
-    virtual void _eraseRowId(int i);
-
-    virtual void _getColName(int col, std::string& name) const;
-    virtual void _setColName(int col, const std::string& name);
-    virtual int _colByName(const std::string& name) const;
-
-    virtual void _getRowName(int row, std::string& name) const;
-    virtual void _setRowName(int row, const std::string& name);
-    virtual int _rowByName(const std::string& name) const;
-
-    virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
-    virtual void _getRowCoeffs(int i, InsertIterator b) const;
-
-    virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
-    virtual void _getColCoeffs(int i, InsertIterator b) const;
-
-    virtual void _setCoeff(int row, int col, Value value);
-    virtual Value _getCoeff(int row, int col) const;
-
-    virtual void _setColLowerBound(int i, Value value);
-    virtual Value _getColLowerBound(int i) const;
-    virtual void _setColUpperBound(int i, Value value);
-    virtual Value _getColUpperBound(int i) const;
-
-    virtual void _setRowLowerBound(int i, Value value);
-    virtual Value _getRowLowerBound(int i) const;
-    virtual void _setRowUpperBound(int i, Value value);
-    virtual Value _getRowUpperBound(int i) const;
-
-    virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
-    virtual void _getObjCoeffs(InsertIterator b) const;
-
-    virtual void _setObjCoeff(int i, Value obj_coef);
-    virtual Value _getObjCoeff(int i) const;
-
-    virtual void _setSense(Sense sense);
-    virtual Sense _getSense() const;
-
-    virtual SolveExitStatus _solve();
-    virtual Value _getPrimal(int i) const;
-    virtual Value _getDual(int i) const;
-
-    virtual Value _getPrimalValue() const;
-
-    virtual Value _getPrimalRay(int i) const;
-    virtual Value _getDualRay(int i) const;
-
-    virtual VarStatus _getColStatus(int i) const;
-    virtual VarStatus _getRowStatus(int i) const;
-
-    virtual ProblemType _getPrimalType() const;
-    virtual ProblemType _getDualType() const;
-
-    virtual void _clear();
-
-  };
-
-} //END OF NAMESPACE LEMON
-
-#endif //LEMON_LP_SOPLEX_H
-