diff --git a/src/picongpu/include/fields/NGPSolver/CurrentNGP.hpp b/src/picongpu/include/fields/NGPSolver/CurrentNGP.hpp
deleted file mode 100644
index 7432e61d12..0000000000
--- a/src/picongpu/include/fields/NGPSolver/CurrentNGP.hpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * Copyright 2013 Axel Huebl, Heiko Burau, Rene Widera
- *
- * This file is part of PIConGPU. 
- * 
- * PIConGPU 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. 
- * 
- * PIConGPU 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 PIConGPU.  
- * If not, see <http://www.gnu.org/licenses/>. 
- */ 
- 
-
-
-#ifndef CURRENTNGP_HPP
-#define	CURRENTNGP_HPP
-
-#include "types.h"
-#include "dimensions/DataSpace.hpp"
-#include "math/vector/compile-time/Int.hpp"
-
-namespace picongpu
-{
-    namespace currentSolverNgp
-    {
-        using namespace PMacc;
-
-        struct NgpSolver
-        {
-            typedef math::CT::Int< 0, 0, 0 > OffsetOrigin;
-            typedef math::CT::Int< 1, 1, 1 > OffsetEnd;
-
-            template<class BoxJ, typename PosType, typename VelType, typename ChargeType >
-            DINLINE void operator()(BoxJ& boxJ_par, /*box which is shifted to particles cell*/
-                                       const PosType pos,
-                                       const VelType velocity,
-                                       const ChargeType charge, const float_X deltaTime)
-            {
-                typename BoxJ::ValueType j = velocity * charge * deltaTime;
-                j.x() *= (1.0 / (cellSize.y() * cellSize.z()));
-                j.y() *= (1.0 / (cellSize.x() * cellSize.z()));
-                j.z() *= (1.0 / (cellSize.x() * cellSize.y()));
-
-                const DataSpace<DIM3> nearestCell(
-                                                  __float2_Xint_rd(pos.x() + float_X(0.5)),
-                                                  __float2_Xint_rd(pos.y() + float_X(0.5)),
-                                                  __float2_Xint_rd(pos.z() + float_X(0.5))
-                                                  );
-
-                atomicAddWrapper(
-                                 &(boxJ_par(DataSpace < DIM3 > (0, nearestCell.y(), nearestCell.z())).x()),
-                                 j.x());
-                atomicAddWrapper(
-                                 &(boxJ_par(DataSpace < DIM3 > (nearestCell.x(), 0, nearestCell.z())).y()),
-                                 j.y());
-                atomicAddWrapper(
-                                 &(boxJ_par(DataSpace < DIM3 > (nearestCell.x(), nearestCell.y(), 0)).z()),
-                                 j.z());
-            }
-
-
-        };
-
-    }
-}
-
-#endif	/* CURRENTNGP_HPP */
-