diff --git a/src/build_models/simplugin.h b/src/build_models/simplugin.h
deleted file mode 100644
--- a/src/build_models/simplugin.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * $Id$
- *
- * This file is part of the Virtual Leaf.
- *
- * The Virtual Leaf 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.
- *
- * The Virtual Leaf 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 the Virtual Leaf. If not, see .
- *
- * Copyright 2010 Roeland Merks.
- *
- */
-
-#ifndef _SIMPLUGIN_H_
-#define _SIMPLUGIN_H_
-
-#include
-#include
-#include "cellbase.h"
-#include "wallbase.h"
-
-class Parameter;
-
-#include
-#include
-
-
-class SimPluginInterface {
-
-public:
- virtual QString ModelID(void) = 0;
-
- virtual ~SimPluginInterface() { }
-
- // Executed after the cellular mechanics steps have equillibrized
- virtual void CellHouseKeeping(CellBase &c) = 0;
-
- // Differential equations describing transport of chemicals from cell to cell
- virtual void CelltoCellTransport(Wall *, double *dchem_c1, double *dchem_c2) = 0;
-
- // Differential equations describing chemical reactions taking place at or near the cell walls
- // (e.g. PIN accumulation)
- virtual void WallDynamics(Wall *w, double *dw1, double *dw) = 0;
-
- // Differential equations describing chemical reactions inside the cells
- virtual void CellDynamics(CellBase *c, double *dchem) = 0;
-
- // to be executed after a cell division
- virtual void OnDivide(ParentInfo &parent_info, CellBase &daughter1, CellBase &daughter2) = 0;
-
- // to be executed for coloring a cell
- virtual void SetCellColor(CellBase &c, QColor &color) = 0;
-
- // Number of chemicals
- virtual int NChem(void) = 0;
-
- // For internal use; not to be redefined by end users
- virtual void SetParameters(Parameter *pass_pars);// { par = pass_pars; }
- virtual void SetCellsStaticDatamembers (CellsStaticDatamembers *cells_static_data_members_of_main);
-
-protected:
- class Parameter *par;
-
-};
-
-Q_DECLARE_INTERFACE(SimPluginInterface,
- "nl.cwi.VirtualLeaf.SimPluginInterface/1.1")
-Q_DECLARE_METATYPE(SimPluginInterface *)
-
-
-#endif
\ No newline at end of file