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diff --git a/src/base/rs_math.h b/src/base/rs_math.h
index d30912d..4f8f874 100644
--- a/src/base/rs_math.h
+++ b/src/base/rs_math.h
@@ -1,29 +1,3 @@
-/****************************************************************************
-** $Id: rs_math.h 2392 2005-05-17 13:52:38Z andrew $
-**
-** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
-**
-** This file is part of the qcadlib Library project.
-**
-** This file may be distributed and/or modified under the terms of the
-** GNU General Public License version 2 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file.
-**
-** Licensees holding valid qcadlib Professional Edition licenses may use
-** this file in accordance with the qcadlib Commercial License
-** Agreement provided with the Software.
-**
-** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-**
-** See http://www.ribbonsoft.com for further details.
-**
-** Contact info@ribbonsoft.com if any conditions of this licensing are
-** not clear to you.
-**
-**********************************************************************/
-
 #ifndef RS_MATH_H
 #define RS_MATH_H
 
@@ -33,22 +7,12 @@
 //#define _MT
 //#endif
 
-#include <math.h>
-#include <errno.h>
 #include <QtCore>
 
-#ifndef RS_NO_FPARSER
-#include "fparser.h"
-#endif
-
-#include "rs.h"
-
 #define ARAD				57.29577951308232
 #define RS_TOLERANCE		1.0e-10
 #define RS_TOLERANCE_ANGLE	1.0e-8
 
-//typedef unsigned int uint;
-
 /**
  * Math functions.
  */
@@ -57,9 +21,6 @@ class RS_Math
 public:
 	static int round(double v);
 	static double pow(double x, double y);
-
-	//static double abs(double v);
-	//static int abs(int v);
 	static double rad2deg(double a);
 	static double deg2rad(double a);
 	static double rad2gra(double a);
@@ -72,11 +33,7 @@ public:
 	static bool isSameDirection(double dir1, double dir2, double tol);
 	static double eval(const QString & expr, double def = 0.0);
 	static bool cmpDouble(double v1, double v2, double tol = 0.001);
-
-	// Keep that in the header file for dynamic inclusion/exclusion.
-	// (JLH: What kind of boneheaded crappy justification is that??!!??!!?)
 	static double eval(const QString & expr, bool * ok);
-
 	static QString doubleToString(double value, double prec);
 	static QString doubleToString(double value, int prec);