diff --git a/examples/mliap/README b/examples/mliap/README
index cbe33f4c07..070ce86bfd 100644
--- a/examples/mliap/README
+++ b/examples/mliap/README
@@ -151,21 +151,6 @@ or in parallel:
 The resultant log.lammps output should be identical to that generated
 by in.melt and in.mliap.unified.lj.Ar.
 
-in.mliap.unified.hippynn.Al
----------------------------
-
-Demonstrate ML-IAP interface to HIPNN Al potential. Requires the HIPNN code.
-
-in.mliap.unified.hippynn.Al.ghostneigh
---------------------------------------
-
-Demonstrate ML-IAP interface to HIPNN Al potential with ghost neighbors. Requires the HIPNN code.
-
-in.mliap.unified.hippynn.InP
-----------------------------
-
-Demonstrate ML-IAP interface to HIPNN InP potential. Requires the HIPNN code.
-
 in.mliap.so3.Ni_Mo
 ------------------
 
diff --git a/examples/mliap/in.mliap.unified.hippynn.Al b/examples/mliap/in.mliap.unified.hippynn.Al
deleted file mode 100644
index 4efcba8b37..0000000000
--- a/examples/mliap/in.mliap.unified.hippynn.Al
+++ /dev/null
@@ -1,57 +0,0 @@
-# Demonstrate MLIAP interface to HIPNN Al potential
-# Example taken from https://github.com/lanl/hippynn
-
-# Initialize simulation
-
-variable nsteps index 100
-variable nrep equal 4
-variable a equal 4.05
-units           metal
-
-# generate the box and atom positions using a FCC lattice
-
-variable nx equal ${nrep}
-variable ny equal ${nrep}
-variable nz equal ${nrep}
-
-boundary        p p p
-
-lattice         fcc $a
-region          box block 0 ${nx} 0 ${ny} 0 ${nz}
-create_box      1 box
-create_atoms    1 box
-
-mass 1 26.981
-
-# choose potential
-
-pair_style	mliap unified mliap_unified_hippynn_Al.pt 0
-pair_coeff	* * Al
-
-# Setup output
-
-compute  eatom all pe/atom
-compute  energy all reduce sum c_eatom
-
-compute  satom all stress/atom NULL
-compute  str all reduce sum c_satom[1] c_satom[2] c_satom[3]
-variable press equal (c_str[1]+c_str[2]+c_str[3])/(3*vol)
-
-thermo_style    custom step temp epair c_energy etotal press v_press
-thermo          10
-thermo_modify norm yes
-
-# Set up NVE run
-
-timestep 0.5e-3
-neighbor 1.0 bin
-neigh_modify once no every 1 delay 0 check yes
-
-#dump 4 all custom 1 forces.xyz fx fy fz
-
-# Run MD
-
-velocity all create 300.0 4928459 loop geom
-fix 1 all nve
-run             ${nsteps}
-
diff --git a/examples/mliap/in.mliap.unified.hippynn.Al.ghostneigh b/examples/mliap/in.mliap.unified.hippynn.Al.ghostneigh
deleted file mode 100644
index 7dfc982cbc..0000000000
--- a/examples/mliap/in.mliap.unified.hippynn.Al.ghostneigh
+++ /dev/null
@@ -1,63 +0,0 @@
-# Demonstrate MLIAP interface to HIPNN Al potential
-# Example taken from https://github.com/lanl/hippynn
-
-# Initialize simulation
-
-variable nsteps index 100
-variable nrep equal 4
-variable a equal 4.05
-units           metal
-
-# generate the box and atom positions using a FCC lattice
-
-variable nx equal ${nrep}
-variable ny equal ${nrep}
-variable nz equal ${nrep}
-
-boundary        p p p
-
-lattice         fcc $a
-region          box block 0 ${nx} 0 ${ny} 0 ${nz}
-create_box      1 box
-create_atoms    1 box
-
-mass 1 26.981
-
-# choose potential
-
-pair_style	mliap unified mliap_unified_hippynn_Al_multilayer.pt 1
-pair_coeff	* * Al
-
-# Setup output
-
-compute  eatom all pe/atom
-compute  energy all reduce sum c_eatom
-
-compute  satom all stress/atom NULL
-compute  str all reduce sum c_satom[1] c_satom[2] c_satom[3]
-variable press equal (c_str[1]+c_str[2]+c_str[3])/(3*vol)
-
-thermo_style    custom step temp epair c_energy etotal press v_press
-thermo          10
-thermo_modify norm yes
-
-# Set up NVE run
-
-variable ninteractions equal 2
-variable cutdist equal 7.5
-variable skin equal 1.0
-variable commcut equal (${ninteractions}*${cutdist})+${skin}
-
-timestep 0.5e-3
-neighbor ${skin} bin
-neigh_modify once no every 1 delay 0 check yes
-comm_modify cutoff ${commcut}
-
-#dump 4 all custom 1 forces.xyz fx fy fz
-
-# Run MD
-
-velocity all create 300.0 4928459 loop geom
-fix 1 all nve
-run             ${nsteps}
-
diff --git a/examples/mliap/in.mliap.unified.hippynn.InP b/examples/mliap/in.mliap.unified.hippynn.InP
deleted file mode 100644
index 0cba7f2416..0000000000
--- a/examples/mliap/in.mliap.unified.hippynn.InP
+++ /dev/null
@@ -1,55 +0,0 @@
-# Demonstrate MLIAP interface to HIPNN InP potential
-# Example taken from https://github.com/lanl/hippynn
-
-# Initialize simulation
-
-variable nsteps index 100
-variable nrep equal 4
-variable a equal 5.83
-units           metal
-
-# generate the box and atom positions using a FCC lattice
-
-variable nx equal ${nrep}
-variable ny equal ${nrep}
-variable nz equal ${nrep}
-
-boundary        p p p
-
-lattice         diamond $a
-region          box block 0 ${nx} 0 ${ny} 0 ${nz}
-create_box      2 box
-create_atoms    1 box basis 5 2 basis 6 2 basis 7 2 basis 8 2
-
-mass 1 114.76
-mass 2 30.98
-
-# choose potential
-
-# Specify MLIAP Unified pair style
-pair_style mliap unified mliap_unified_hippynn_InP.pt
-pair_coeff * * In P
-
-#dump 4 all custom 1 forces.xyz fx fy fz
-
-#dump		3 all movie 1 movie.mpg type type &
-#		axes yes 0.8 0.02 view 60 -30
-#dump_modify	3 pad 3
-
-
-# Setup output
-
-thermo          10
-thermo_modify norm yes
-
-# Set up NVE run
-
-timestep 0.5e-3
-neighbor 1.0 bin
-neigh_modify once no every 1 delay 0 check yes
-
-# Run MD
-
-velocity all create 300.0 4928459 loop geom
-fix 1 all nve
-run             ${nsteps}