diff --git a/nlsr_adl.h b/nlsr_adl.h
index a1f48b2..5e9fa5a 100644
--- a/nlsr_adl.h
+++ b/nlsr_adl.h
@@ -21,6 +21,7 @@
 };
 
 void add_nbr_to_adl(struct name_prefix *new_nbr,int face);
+void delete_nbr_from_adl(struct name_prefix *nbr);
 void print_adjacent(struct ndn_neighbor *nbr);
 void print_adjacent_from_adl(void);
 int get_adjacent_status(struct name_prefix *nbr);