diff --git a/doc/src/Eqs/bond_morse.jpg b/doc/src/Eqs/bond_morse.jpg
deleted file mode 100644
index 6795c9e527..0000000000
Binary files a/doc/src/Eqs/bond_morse.jpg and /dev/null differ
diff --git a/doc/src/Eqs/bond_morse.tex b/doc/src/Eqs/bond_morse.tex
deleted file mode 100644
index a0d7a89961..0000000000
--- a/doc/src/Eqs/bond_morse.tex
+++ /dev/null
@@ -1,10 +0,0 @@
-\documentclass[12pt]{article}
-
-\begin{document}
-
-$$
-%   E = D \left[ 1 - \exp \left( -\alpha (r - r_0) \right) \right]^2 
-   E = D \left[ 1 - e^{-\alpha (r - r_0)} \right]^2 
-$$
-
-\end{document}
\ No newline at end of file
diff --git a/doc/src/bond_morse.rst b/doc/src/bond_morse.rst
index 592bc527c3..26471424c5 100644
--- a/doc/src/bond_morse.rst
+++ b/doc/src/bond_morse.rst
@@ -1,16 +1,16 @@
-.. index:: bond\_style morse
+.. index:: bond_style morse
 
-bond\_style morse command
-=========================
+bond_style morse command
+========================
 
-bond\_style morse/omp command
-=============================
+bond_style morse/omp command
+============================
 
 Syntax
 """"""
 
 
-.. parsed-literal::
+.. code-block:: LAMMPS
 
    bond_style morse
 
@@ -18,7 +18,7 @@ Examples
 """"""""
 
 
-.. parsed-literal::
+.. code-block:: LAMMPS
 
    bond_style morse
    bond_coeff 5 1.0 2.0 1.2
@@ -28,20 +28,22 @@ Description
 
 The *morse* bond style uses the potential
 
-.. image:: Eqs/bond_morse.jpg
-   :align: center
+.. math::
 
-where r0 is the equilibrium bond distance, alpha is a stiffness
-parameter, and D determines the depth of the potential well.
+   E = D \left[ 1 - e^{-\alpha (r - r_0)} \right]^2
+
+
+where :math:`r_0` is the equilibrium bond distance, :math:`\alpha` is a stiffness
+parameter, and :math:`D` determines the depth of the potential well.
 
 The following coefficients must be defined for each bond type via the
 :doc:`bond\_coeff <bond_coeff>` command as in the example above, or in
 the data file or restart files read by the :doc:`read\_data <read_data>`
 or :doc:`read\_restart <read_restart>` commands:
 
-* D (energy)
-* alpha (inverse distance)
-* r0 (distance)
+* :math:`D` (energy)
+* :math:`\alpha` (inverse distance)
+* :math:`r_0` (distance)
 
 
 ----------
@@ -83,8 +85,3 @@ Related commands
 :doc:`bond\_coeff <bond_coeff>`, :doc:`delete\_bonds <delete_bonds>`
 
 **Default:** none
-
-
-.. _lws: http://lammps.sandia.gov
-.. _ld: Manual.html
-.. _lc: Commands_all.html
diff --git a/doc/txt/bond_morse.txt b/doc/txt/bond_morse.txt
deleted file mode 100644
index 60fd16e17a..0000000000
--- a/doc/txt/bond_morse.txt
+++ /dev/null
@@ -1,73 +0,0 @@
-"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c
-
-:link(lws,http://lammps.sandia.gov)
-:link(ld,Manual.html)
-:link(lc,Commands_all.html)
-
-:line
-
-bond_style morse command :h3
-bond_style morse/omp command :h3
-
-[Syntax:]
-
-bond_style morse :pre
-
-[Examples:]
-
-bond_style morse
-bond_coeff 5 1.0 2.0 1.2 :pre
-
-[Description:]
-
-The {morse} bond style uses the potential
-
-:c,image(Eqs/bond_morse.jpg)
-
-where r0 is the equilibrium bond distance, alpha is a stiffness
-parameter, and D determines the depth of the potential well.
-
-The following coefficients must be defined for each bond type via the
-"bond_coeff"_bond_coeff.html command as in the example above, or in
-the data file or restart files read by the "read_data"_read_data.html
-or "read_restart"_read_restart.html commands:
-
-D (energy)
-alpha (inverse distance)
-r0 (distance) :ul
-
-:line
-
-Styles with a {gpu}, {intel}, {kk}, {omp}, or {opt} suffix are
-functionally the same as the corresponding style without the suffix.
-They have been optimized to run faster, depending on your available
-hardware, as discussed on the "Speed packages"_Speed_packages.html doc
-page.  The accelerated styles take the same arguments and should
-produce the same results, except for round-off and precision issues.
-
-These accelerated styles are part of the GPU, USER-INTEL, KOKKOS,
-USER-OMP and OPT packages, respectively.  They are only enabled if
-LAMMPS was built with those packages.  See the "Build
-package"_Build_package.html doc page for more info.
-
-You can specify the accelerated styles explicitly in your input script
-by including their suffix, or you can use the "-suffix command-line
-switch"_Run_options.html when you invoke LAMMPS, or you can use the
-"suffix"_suffix.html command in your input script.
-
-See the "Speed packages"_Speed_packages.html doc page for more
-instructions on how to use the accelerated styles effectively.
-
-:line
-
-[Restrictions:]
-
-This bond style can only be used if LAMMPS was built with the MOLECULE
-package.  See the "Build package"_Build_package.html doc page for more
-info.
-
-[Related commands:]
-
-"bond_coeff"_bond_coeff.html, "delete_bonds"_delete_bonds.html
-
-[Default:] none