diff -r b179ab2f2c4e -r d68d1ce89d05 src/mathfunctions.h
--- a/src/mathfunctions.h	Sat Mar 24 12:58:01 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,43 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2013 - 2018 Teemu Piippo
- *
- *  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/>.
- */
-
-#pragma once
-#include "main.h"
-#include "hierarchyelement.h"
-
-
-enum RotationPoint
-{
-	ObjectOrigin,
-	WorldOrigin,
-	CustomPoint,
-};
-
-
-class MathFunctions : public HierarchyElement
-{
-public:
-	MathFunctions(QObject* parent);
-
-	void rotateObjects(int l, int m, int n, double angle, const QVector<LDObject*>& objects) const;
-	Vertex getRotationPoint(const QVector<LDObject*>& objs) const;
-
-private:
-	void rotateVertex(Vertex& vertex, const Vertex& rotationPoint, const Matrix& transformationMatrix) const;
-};
-