diff --git a/vector/v.generalize/displacement.c b/vector/v.generalize/displacement.c
index bc7a3f15170..a4d599080e4 100644
--- a/vector/v.generalize/displacement.c
+++ b/vector/v.generalize/displacement.c
@@ -310,6 +310,8 @@ int snakes_displacement(struct Map_info *In, struct Map_info *Out,
     matrix_free(&fy);
     matrix_free(&dx_old);
     matrix_free(&dy_old);
+    Vect_destroy_cats_struct(Cats);
+    Vect_destroy_line_struct(Points);
 
     return 0;
 }