1 files changed, 0 insertions, 8 deletions
diff --git a/src/db.h b/src/db.h
index 203a0b4..97c8758 100644
--- a/src/db.h
+++ b/src/db.h
@@ -81,14 +81,6 @@ struct db_arg_chain_tree {
 	   (((x)->mask & (y)->mask) != (y)->mask))))
 #define db_chain_leaf(x) \
 	(((x)->act_t_flg != 0) || ((x)->act_f_flg != 0))
-#define db_chain_zombie(x) \
-	(((x)->nxt_t == NULL) && ((x)->nxt_f == NULL) && \
-	 ((x)->act_t_flg == 0) && ((x)->act_f_flg == 0))
-#define db_chain_one_nxt(x) \
-	(((x)->nxt_t != NULL && (x)->nxt_f == NULL) || \
-	 ((x)->nxt_t == NULL && (x)->nxt_f != NULL))
-#define db_chain_one_action(x) \
-	((x)->act_t_flg != (x)->act_f_flg)
 #define db_chain_eq_result(x,y) \
 	((((x)->nxt_t != NULL && (y)->nxt_t != NULL) || \
 	  ((x)->nxt_t == NULL && (y)->nxt_t == NULL)) && \