diff --git a/tests/solver/Test_dwf_mr_unprec.cc b/tests/solver/Test_dwf_mr_unprec.cc
deleted file mode 100644
index 3ca35e32..00000000
--- a/tests/solver/Test_dwf_mr_unprec.cc
+++ /dev/null
@@ -1,68 +0,0 @@
-/*************************************************************************************
-
-Grid physics library, www.github.com/paboyle/Grid
-
-Source file: ./tests/solver/Test_dwf_mr_unprec.cc
-
-Copyright (C) 2015
-
-Author: Daniel Richtmann <daniel.richtmann@ur.de>
-
-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 2 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, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-See the full license in the file "LICENSE" in the top level distribution
-directory
-*************************************************************************************/
-/*  END LEGAL */
-#include <Grid/Grid.h>
-
-using namespace Grid;
-using namespace Grid::QCD;
-
-int main (int argc, char ** argv)
-{
-  Grid_init(&argc,&argv);
-
-  const int Ls=8;
-
-  GridCartesian         * UGrid   = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
-  GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
-  GridCartesian         * FGrid   = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
-  GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
-
-  std::vector<int> seeds4({1,2,3,4});
-  std::vector<int> seeds5({5,6,7,8});
-  GridParallelRNG          RNG5(FGrid);  RNG5.SeedFixedIntegers(seeds5);
-  GridParallelRNG          RNG4(UGrid);  RNG4.SeedFixedIntegers(seeds4);
-
-  LatticeFermion    src(FGrid); random(RNG5,src);
-  LatticeFermion result(FGrid); result=zero;
-  LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(RNG4,Umu);
-
-  std::vector<LatticeColourMatrix> U(4,UGrid);
-  for(int mu=0;mu<Nd;mu++){
-    U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
-  }
-
-  RealD mass=0.1;
-  RealD M5=1.8;
-  DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
-
-  MdagMLinearOperator<DomainWallFermionR,LatticeFermion> HermOp(Ddwf);
-  MinimalResidual<LatticeFermion> MR(1.0e-6,10000,0.8);
-  MR(HermOp,src,result);
-
-  Grid_finalize();
-}