diff --git a/lemon/clp.h b/lemon/clp.h
--- a/lemon/clp.h
+++ b/lemon/clp.h
@@ -56,6 +56,11 @@
     /// \e
     ~ClpLp();
 
+    /// \e
+    virtual ClpLp* newSolver() const;
+    /// \e
+    virtual ClpLp* cloneSolver() const;
+
   protected:
 
     mutable double* _primal_ray;
@@ -66,9 +71,6 @@
 
   protected:
 
-    virtual ClpLp* _newSolver() const;
-    virtual ClpLp* _cloneSolver() const;
-
     virtual const char* _solverName() const;
 
     virtual int _addCol();