diff --git a/examples/ttm/in.ttm b/examples/ttm/in.ttm
index 77bc09add2..1b259cfc19 100644
--- a/examples/ttm/in.ttm
+++ b/examples/ttm/in.ttm
@@ -20,7 +20,8 @@ create_atoms 	1 region atom_box
 
 mass            1 55.845
 
-include		pot_iron.mod
+pair_style      eam/fs
+pair_coeff      * * FeVoter-ChenRecheck.fs Fe
 
 neighbor        2.0 bin
 neigh_modify    every 5 delay 0 check yes
diff --git a/examples/ttm/in.ttm.grid b/examples/ttm/in.ttm.grid
index 56d7a4d1ad..2e3c622823 100644
--- a/examples/ttm/in.ttm.grid
+++ b/examples/ttm/in.ttm.grid
@@ -20,7 +20,8 @@ create_atoms 	1 region atom_box
 
 mass            1 55.845
 
-include		pot_iron.mod
+pair_style      eam/fs
+pair_coeff      * * FeVoter-ChenRecheck.fs Fe
 
 neighbor        2.0 bin
 neigh_modify    every 5 delay 0 check yes
diff --git a/examples/ttm/pot_iron.mod b/examples/ttm/pot_iron.mod
deleted file mode 100644
index 450cd00541..0000000000
--- a/examples/ttm/pot_iron.mod
+++ /dev/null
@@ -1,2 +0,0 @@
-pair_style      eam/fs
-pair_coeff      * * FeVoter-ChenRecheck.fs Fe