diff --git a/src/nstencil_half_bin_2d_newtoff.cpp b/src/nstencil_half_bin_2d_newtoff.cpp
deleted file mode 100644
index 09c74d8b69..0000000000
--- a/src/nstencil_half_bin_2d_newtoff.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_bin_2d_newtoff.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfBin2dNewtoff::NStencilHalfBin2dNewtoff(LAMMPS *lmp) :
-  NStencil(lmp) {}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfBin2dNewtoff::create()
-{
-  int i,j;
-
-  nstencil = 0;
-
-  for (j = -sy; j <= sy; j++)
-    for (i = -sx; i <= sx; i++)
-      if (bin_distance(i,j,0) < cutneighmaxsq)
-        stencil[nstencil++] = j*mbinx + i;
-}
diff --git a/src/nstencil_half_bin_3d_newtoff.cpp b/src/nstencil_half_bin_3d_newtoff.cpp
deleted file mode 100644
index 36b2a11c66..0000000000
--- a/src/nstencil_half_bin_3d_newtoff.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_bin_3d_newtoff.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfBin3dNewtoff::NStencilHalfBin3dNewtoff(LAMMPS *lmp) :
-  NStencil(lmp) {}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfBin3dNewtoff::create()
-{
-  int i,j,k;
-
-  nstencil = 0;
-
-  for (k = -sz; k <= sz; k++)
-    for (j = -sy; j <= sy; j++)
-      for (i = -sx; i <= sx; i++)
-        if (bin_distance(i,j,k) < cutneighmaxsq)
-          stencil[nstencil++] = k*mbiny*mbinx + j*mbinx + i;
-}
diff --git a/src/nstencil_half_ghost_bin_2d_newtoff.cpp b/src/nstencil_half_ghost_bin_2d_newtoff.cpp
deleted file mode 100644
index 0aa5202da8..0000000000
--- a/src/nstencil_half_ghost_bin_2d_newtoff.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_ghost_bin_2d_newtoff.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfGhostBin2dNewtoff::
-NStencilHalfGhostBin2dNewtoff(LAMMPS *lmp) : NStencil(lmp)
-{
-  xyzflag = 1;
-}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfGhostBin2dNewtoff::create()
-{
-  int i,j;
-
-  nstencil = 0;
-
-  for (j = -sy; j <= sy; j++)
-    for (i = -sx; i <= sx; i++)
-      if (bin_distance(i,j,0) < cutneighmaxsq) {
-        stencilxyz[nstencil][0] = i;
-        stencilxyz[nstencil][1] = j;
-        stencilxyz[nstencil][2] = 0;
-        stencil[nstencil++] = j*mbinx + i;
-      }
-}
diff --git a/src/nstencil_half_ghost_bin_3d_newtoff.cpp b/src/nstencil_half_ghost_bin_3d_newtoff.cpp
deleted file mode 100644
index 95016108e4..0000000000
--- a/src/nstencil_half_ghost_bin_3d_newtoff.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_ghost_bin_3d_newtoff.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfGhostBin3dNewtoff::
-NStencilHalfGhostBin3dNewtoff(LAMMPS *lmp) : NStencil(lmp)
-{
-  xyzflag = 1;
-}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfGhostBin3dNewtoff::create()
-{
-  int i,j,k;
-
-  nstencil = 0;
-
-  for (k = -sz; k <= sz; k++)
-    for (j = -sy; j <= sy; j++)
-      for (i = -sx; i <= sx; i++)
-        if (bin_distance(i,j,k) < cutneighmaxsq) {
-          stencilxyz[nstencil][0] = i;
-          stencilxyz[nstencil][1] = j;
-          stencilxyz[nstencil][2] = k;
-          stencil[nstencil++] = k*mbiny*mbinx + j*mbinx + i;
-        }
-}
diff --git a/src/nstencil_half_multi_2d_newtoff.cpp b/src/nstencil_half_multi_2d_newtoff.cpp
deleted file mode 100644
index 9b6ea08862..0000000000
--- a/src/nstencil_half_multi_2d_newtoff.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_multi_2d_newtoff.h"
-#include "atom.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfMulti2dNewtoff::
-NStencilHalfMulti2dNewtoff(LAMMPS *lmp) : NStencil(lmp) {}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfMulti2dNewtoff::create()
-{
-  int i,j,n;
-  double rsq,typesq;
-  int *s;
-  double *distsq;
-
-  int ntypes = atom->ntypes;
-  for (int itype = 1; itype <= ntypes; itype++) {
-    typesq = cuttypesq[itype];
-    s = stencil_multi[itype];
-    distsq = distsq_multi[itype];
-    n = 0;
-    for (j = -sy; j <= sy; j++)
-      for (i = -sx; i <= sx; i++) {
-        rsq = bin_distance(i,j,0);
-        if (rsq < typesq) {
-          distsq[n] = rsq;
-          s[n++] = j*mbinx + i;
-        }
-      }
-    nstencil_multi[itype] = n;
-  }
-}
diff --git a/src/nstencil_half_multi_3d_newtoff.cpp b/src/nstencil_half_multi_3d_newtoff.cpp
deleted file mode 100644
index 533ba21c3a..0000000000
--- a/src/nstencil_half_multi_3d_newtoff.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   https://lammps.sandia.gov/, Sandia National Laboratories
-   Steve Plimpton, sjplimp@sandia.gov
-
-   Copyright (2003) Sandia Corporation.  Under the terms of Contract
-   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
-   certain rights in this software.  This software is distributed under
-   the GNU General Public License.
-
-   See the README file in the top-level LAMMPS directory.
-------------------------------------------------------------------------- */
-
-#include "nstencil_half_multi_3d_newtoff.h"
-#include "atom.h"
-
-using namespace LAMMPS_NS;
-
-/* ---------------------------------------------------------------------- */
-
-NStencilHalfMulti3dNewtoff::
-NStencilHalfMulti3dNewtoff(LAMMPS *lmp) : NStencil(lmp) {}
-
-/* ----------------------------------------------------------------------
-   create stencil based on bin geometry and cutoff
-------------------------------------------------------------------------- */
-
-void NStencilHalfMulti3dNewtoff::create()
-{
-  int i,j,k,n;
-  double rsq,typesq;
-  int *s;
-  double *distsq;
-
-  int ntypes = atom->ntypes;
-  for (int itype = 1; itype <= ntypes; itype++) {
-    typesq = cuttypesq[itype];
-    s = stencil_multi[itype];
-    distsq = distsq_multi[itype];
-    n = 0;
-    for (k = -sz; k <= sz; k++)
-      for (j = -sy; j <= sy; j++)
-        for (i = -sx; i <= sx; i++) {
-          rsq = bin_distance(i,j,k);
-          if (rsq < typesq) {
-            distsq[n] = rsq;
-            s[n++] = k*mbiny*mbinx + j*mbinx + i;
-          }
-        }
-    nstencil_multi[itype] = n;
-  }
-}