diff --git a/src/.gitignore b/src/.gitignore
index 9431d55913..768730ba6c 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -374,6 +374,8 @@
 /bond_bpm_rotational.h
 /bond_bpm_spring.cpp
 /bond_bpm_spring.h
+/bond_bpm_spring_plastic.cpp
+/bond_bpm_spring_plastic.h
 /compute_nbond_atom.cpp
 /compute_nbond_atom.h
 /fix_nve_bpm_sphere.cpp