diff --git a/src_main/math/pifixedpoint.h b/src_main/math/pifixedpoint.h
deleted file mode 100644
index facffa53..00000000
--- a/src_main/math/pifixedpoint.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/*! \file pifixedpoint.h
- * \brief Class for fixed point numbers
-*/
-/*
-	PIP - Platform Independent Primitives
-	Class for fixed point numbers
-	Andrey Bychkov work.a.b@yandex.ru
-
-	This program is free software: you can redistribute it and/or modify
-	it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
-
-	You should have received a copy of the GNU Lesser General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "picout.h"
-
-#ifndef PIFIXEDPOINT_H
-#define PIFIXEDPOINT_H
-
-template<int Precision = 0, typename Type = int>
-class PIP_EXPORT PIFixedPoint {
-public:
-	typedef PIFixedPoint<Precision, Type> fp;
-	PIFixedPoint(const Type &v = Type()) {val = fpv(v);}
-	PIFixedPoint(const fp &v) {val = v.val;}
-	PIFixedPoint(const float &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << (Precision-1)));}
-	PIFixedPoint(const double &v) {val = Precision == 0 ? Type(v) : Type(v * (2 << (Precision-1)));}
-
-	template<typename T>
-	fp & operator =(const T & v) {val = fpv(Type(v)); return *this;}
-	fp & operator =(const fp & v) {val = v.val; return *this;}
-	fp & operator =(const float &v) {val = PIFixedPoint(v).val; return *this;}
-	fp & operator =(const double &v) {val = PIFixedPoint(v).val; return *this;}
-	fp & operator =(const long double &v) {val = PIFixedPoint(v).val; return *this;}
-	fp operator -() {fp p = fp(*this); p.val = -val; return p;}
-	bool operator ==(const fp & v) const {return val == v.val;}
-	bool operator !=(const fp & v) const {return val != v.val;}
-
-	void operator +=(const fp & v) {val += v.val;}
-	void operator -=(const fp & v) {val -= v.val;}
-
-	void operator *=(const fp & v) {val = fpi(val *v.val);}
-	void operator /=(const fp & v) {val = fpv(val) / v.val;}
-
-	fp operator +(const fp & v) {fp p = fp(*this); p.val += v.val; return p;}
-	fp operator -(const fp & v) {fp p = fp(*this); p.val -= v.val; return p;}
-
-	fp operator *(const fp & v) {fp p; p.val = fpi(val * v.val); return p;}
-	fp operator /(const fp & v) {fp p; p.val = fpv(val) / v.val; return p;}
-
-	Type fpv(Type v) const {return Type(v << Precision);}
-	Type fpi(Type v) const {return Type(v >> Precision);}
-	Type fpc(Type v) const {return v - fpv(fpi(v));}
-	Type val;
-};
-
-
-template<int Precision, typename Type>
-inline PICout operator <<(PICout s, const PIFixedPoint<Precision, Type> & v) {
-	s.space(); s.setControl(0, true);
-	if (Precision == 0) s << v.val;
-	else {
-		std::stringstream ss,sr;
-		Type tmp = 10;
-		int n = 1;
-		Type rs = (2 << Precision-1);
-		while(tmp < rs) tmp = tmp*10, n++;
-		tmp *= 10; n++;
-		Type rv = v.fpc(v.val);
-		if (rv != 0) tmp = tmp / (rs / rv);
-		ss << tmp;
-		PIString r = ss.str();
-		if (rv == 0) r.pop_front();
-		else r.expandLeftTo(n,'0');
-		sr << v.fpi(v.val);
-		s << PIString(sr.str()) + "." + r;
-	}
-	s.restoreControl();
-	return s;
-}
-
-#endif // PIFIXEDPOINT_H
diff --git a/src_main/math/pimathmodule.h b/src_main/math/pimathmodule.h
index 00ef4154..ec0ca259 100644
--- a/src_main/math/pimathmodule.h
+++ b/src_main/math/pimathmodule.h
@@ -25,7 +25,6 @@
 #include "pievaluator.h"
 #include "pifft.h"
 #include "picrc.h"
-#include "pifixedpoint.h"
 #include "piquaternion.h"
 
 #endif // PIMATHMODULE_H