diff --git a/doc/src/Commands_pair.rst b/doc/src/Commands_pair.rst
index ed521f39b2..4ddfed6df0 100644
--- a/doc/src/Commands_pair.rst
+++ b/doc/src/Commands_pair.rst
@@ -124,7 +124,7 @@ OPT.
    * :doc:`hbond/dreiding/lj (o) <pair_hbond_dreiding>`
    * :doc:`hbond/dreiding/morse (o) <pair_hbond_dreiding>`
    * :doc:`hdnnp <pair_hdnnp>`
-   * :doc:`ilp/graphene/hbn <pair_ilp_graphene_hbn>`
+   * :doc:`ilp/graphene/hbn (t) <pair_ilp_graphene_hbn>`
    * :doc:`ilp/tmd <pair_ilp_tmd>`
    * :doc:`kolmogorov/crespi/full <pair_kolmogorov_crespi_full>`
    * :doc:`kolmogorov/crespi/z <pair_kolmogorov_crespi_z>`
diff --git a/doc/src/pair_ilp_graphene_hbn.rst b/doc/src/pair_ilp_graphene_hbn.rst
index 04b8a4ddde..de088f2926 100644
--- a/doc/src/pair_ilp_graphene_hbn.rst
+++ b/doc/src/pair_ilp_graphene_hbn.rst
@@ -1,8 +1,11 @@
 .. index:: pair_style ilp/graphene/hbn
+.. index:: pair_style ilp/graphene/hbn/opt
 
 pair_style ilp/graphene/hbn command
 ===================================
 
+Accelerator Variant: *ilp/graphene/hbn/opt*
+
 Syntax
 """"""
 
@@ -125,6 +128,10 @@ headings) the following commands could be included in an input script:
 
 ----------
 
+.. include:: accel_styles.rst
+
+----------
+
 Mixing, shift, table, tail correction, restart, rRESPA info
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 
diff --git a/src/.gitignore b/src/.gitignore
index 65077aa295..f75b926581 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1091,6 +1091,8 @@
 /pair_hdnnp.h
 /pair_ilp_graphene_hbn.cpp
 /pair_ilp_graphene_hbn.h
+/pair_ilp_graphene_hbn_opt.cpp
+/pair_ilp_graphene_hbn_opt.h
 /pair_ilp_tmd.cpp
 /pair_ilp_tmd.h
 /pair_kolmogorov_crespi_full.cpp
diff --git a/src/Depend.sh b/src/Depend.sh
index 1de6edbb63..26e3b39a79 100755
--- a/src/Depend.sh
+++ b/src/Depend.sh
@@ -97,6 +97,10 @@ if (test $1 = "GRANULAR") then
   depend OPENMP
 fi
 
+if (test $1 = "INTERLAYER") then
+  depend OPT
+fi
+
 if (test $1 = "KSPACE") then
   depend CG-SDK
   depend CORESHELL