diff --git a/lib/lattice/Lattice_overload.h b/lib/lattice/Lattice_overload.h
deleted file mode 100644
index cb909128..00000000
--- a/lib/lattice/Lattice_overload.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*************************************************************************************
-
-    Grid physics library, www.github.com/paboyle/Grid 
-
-    Source file: ./lib/lattice/Lattice_overload.h
-
-    Copyright (C) 2015
-
-Author: Peter Boyle <paboyle@ph.ed.ac.uk>
-
-    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 */
-#ifndef GRID_LATTICE_OVERLOAD_H
-#define GRID_LATTICE_OVERLOAD_H
-
-NAMESPACE_BEGIN(Grid);
-
-//////////////////////////////////////////////////////////////////////////////////////////////////////
-// unary negation
-//////////////////////////////////////////////////////////////////////////////////////////////////////
-template<class vobj>
-inline Lattice<vobj> operator -(const Lattice<vobj> &r)
-{
-  Lattice<vobj> ret(r._grid);
-  parallel_for(int ss=0;ss<r._grid->oSites();ss++){
-    vstream(ret._odata[ss], -r._odata[ss]);
-  }
-  return ret;
-} 
-/////////////////////////////////////////////////////////////////////////////////////
-// Lattice BinOp Lattice,
-//NB mult performs conformable check. Do not reapply here for performance.
-/////////////////////////////////////////////////////////////////////////////////////
-template<class left,class right>
-inline auto operator * (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]*rhs._odata[0])>
-{
-  Lattice<decltype(lhs._odata[0]*rhs._odata[0])> ret(rhs._grid);
-  mult(ret,lhs,rhs);
-  return ret;
-}
-template<class left,class right>
-inline auto operator + (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]+rhs._odata[0])>
-{
-  Lattice<decltype(lhs._odata[0]+rhs._odata[0])> ret(rhs._grid);
-  add(ret,lhs,rhs);
-  return ret;
-}
-template<class left,class right>
-inline auto operator - (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]-rhs._odata[0])>
-{
-  Lattice<decltype(lhs._odata[0]-rhs._odata[0])> ret(rhs._grid);
-  sub(ret,lhs,rhs);
-  return ret;
-}
-  
-// Scalar BinOp Lattice ;generate return type
-template<class left,class right>
-inline auto operator * (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs*rhs._odata[0])>
-{
-  Lattice<decltype(lhs*rhs._odata[0])> ret(rhs._grid);
-  parallel_for(int ss=0;ss<rhs._grid->oSites(); ss++){
-    decltype(lhs*rhs._odata[0]) tmp=lhs*rhs._odata[ss]; 
-    vstream(ret._odata[ss],tmp);
-    //      ret._odata[ss]=lhs*rhs._odata[ss];
-  }
-  return ret;
-}
-template<class left,class right>
-inline auto operator + (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs+rhs._odata[0])>
-{
-  Lattice<decltype(lhs+rhs._odata[0])> ret(rhs._grid);
-  parallel_for(int ss=0;ss<rhs._grid->oSites(); ss++){
-    decltype(lhs+rhs._odata[0]) tmp =lhs-rhs._odata[ss];  
-    vstream(ret._odata[ss],tmp);
-    //	ret._odata[ss]=lhs+rhs._odata[ss];
-  }
-  return ret;
-}
-template<class left,class right>
-inline auto operator - (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs-rhs._odata[0])>
-{
-  Lattice<decltype(lhs-rhs._odata[0])> ret(rhs._grid);
-  parallel_for(int ss=0;ss<rhs._grid->oSites(); ss++){
-    decltype(lhs-rhs._odata[0]) tmp=lhs-rhs._odata[ss];  
-    vstream(ret._odata[ss],tmp);
-  }
-  return ret;
-}
-template<class left,class right>
-inline auto operator * (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]*rhs)>
-{
-  Lattice<decltype(lhs._odata[0]*rhs)> ret(lhs._grid);
-  parallel_for(int ss=0;ss<lhs._grid->oSites(); ss++){
-    decltype(lhs._odata[0]*rhs) tmp =lhs._odata[ss]*rhs;
-    vstream(ret._odata[ss],tmp);
-    //            ret._odata[ss]=lhs._odata[ss]*rhs;
-  }
-  return ret;
-}
-template<class left,class right>
-inline auto operator + (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]+rhs)>
-{
-  Lattice<decltype(lhs._odata[0]+rhs)> ret(lhs._grid);
-  parallel_for(int ss=0;ss<rhs._grid->oSites(); ss++){
-    decltype(lhs._odata[0]+rhs) tmp=lhs._odata[ss]+rhs; 
-    vstream(ret._odata[ss],tmp);
-    //	  ret._odata[ss]=lhs._odata[ss]+rhs;
-  }
-  return ret;
-}
-template<class left,class right>
-inline auto operator - (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]-rhs)>
-{
-  Lattice<decltype(lhs._odata[0]-rhs)> ret(lhs._grid);
-  parallel_for(int ss=0;ss<rhs._grid->oSites(); ss++){
-    decltype(lhs._odata[0]-rhs) tmp=lhs._odata[ss]-rhs;
-    vstream(ret._odata[ss],tmp);
-    //	ret._odata[ss]=lhs._odata[ss]-rhs;
-  }
-  return ret;
-}
-NAMESPACE_END(Grid);
-#endif