diff --git a/doc/Section_errors.html b/doc/Section_errors.html
index 363cd063bf..8a69e1b768 100644
--- a/doc/Section_errors.html
+++ b/doc/Section_errors.html
@@ -1097,16 +1097,20 @@ temperature.
 
 <DD>Self-explanatory. 
 
-<DT><I>Compute used in variable is not current</I> 
+<DT><I>Compute used in variable between runs is not current</I> 
 
-<DD>Computes are not invoked by a variable in between runs.  Thus they
-must have been evaluated on the last timestep of the previous run. 
+<DD>Computes cannot be invoked by a variable in between runs.  Thus they
+must have been evaluated on the last timestep of the previous run in
+order for their value(s) to be accessed.  See the doc page for the
+variable command for more info. 
 
-<DT><I>Compute used in variable thermo keyword is not current</I> 
+<DT><I>Compute used in variable thermo keyword between runs is not current</I> 
 
 <DD>Some thermo keywords rely on a compute to calculate their value(s).
-Computes are not invoked by a variable in between runs.  Thus they
-must have been evaluated on the last timestep of the previous run. 
+Computes cannot be invoked by a variable in between runs.  Thus they
+must have been evaluated on the last timestep of the previous run in
+order for their value(s) to be accessed.  See the doc page for the
+variable command for more info. 
 
 <DT><I>Compute vector in variable formula is too small</I> 
 
diff --git a/doc/Section_errors.txt b/doc/Section_errors.txt
index 36ea80188e..e3d2aa3c96 100644
--- a/doc/Section_errors.txt
+++ b/doc/Section_errors.txt
@@ -1094,16 +1094,20 @@ An atom style is needed that has this attributes. :dd
 
 Self-explanatory. :dd
 
-{Compute used in variable is not current} :dt
+{Compute used in variable between runs is not current} :dt
 
-Computes are not invoked by a variable in between runs.  Thus they
-must have been evaluated on the last timestep of the previous run. :dd
+Computes cannot be invoked by a variable in between runs.  Thus they
+must have been evaluated on the last timestep of the previous run in
+order for their value(s) to be accessed.  See the doc page for the
+variable command for more info. :dd
 
-{Compute used in variable thermo keyword is not current} :dt
+{Compute used in variable thermo keyword between runs is not current} :dt
 
 Some thermo keywords rely on a compute to calculate their value(s).
-Computes are not invoked by a variable in between runs.  Thus they
-must have been evaluated on the last timestep of the previous run. :dd
+Computes cannot be invoked by a variable in between runs.  Thus they
+must have been evaluated on the last timestep of the previous run in
+order for their value(s) to be accessed.  See the doc page for the
+variable command for more info. :dd
 
 {Compute vector in variable formula is too small} :dt
 
diff --git a/src/style_user_ackland.h b/src/style_user_ackland.h
index 6e7483a9f7..e69de29bb2 100644
--- a/src/style_user_ackland.h
+++ b/src/style_user_ackland.h
@@ -1,20 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   http://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.
-------------------------------------------------------------------------- */
-
-#ifdef ComputeInclude
-#include "compute_ackland_atom.h"
-#endif
-
-#ifdef ComputeClass
-ComputeStyle(ackland/atom,ComputeAcklandAtom)
-#endif
diff --git a/src/style_user_ewaldn.h b/src/style_user_ewaldn.h
index 3eafa50744..e69de29bb2 100644
--- a/src/style_user_ewaldn.h
+++ b/src/style_user_ewaldn.h
@@ -1,30 +0,0 @@
-/* ----------------------------------------------------------------------
-   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
-   http://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.
-------------------------------------------------------------------------- */
-
-#ifdef KSpaceInclude
-#include "ewald_n.h"
-#endif
-
-#ifdef KSpaceClass
-KSpaceStyle(ewald/n,EwaldN)
-#endif
-
-#ifdef PairInclude
-#include "pair_buck_coul.h"
-#include "pair_lj_coul.h"
-#endif
-
-#ifdef PairClass
-PairStyle(buck/coul,PairBuckCoul)
-PairStyle(lj/coul,PairLJCoul)
-#endif