diff --git a/ospfd/ospf_flood.c b/ospfd/ospf_flood.c
index 06e0f1c..a8b7e37 100644
--- a/ospfd/ospf_flood.c
+++ b/ospfd/ospf_flood.c
@@ -110,7 +110,7 @@
   return NULL;
 }
 
-void
+static void
 ospf_process_self_originated_lsa (struct ospf *ospf,
 				  struct ospf_lsa *new, struct ospf_area *area)
 {
@@ -347,7 +347,7 @@
 }
 
 /* OSPF LSA flooding -- RFC2328 Section 13.3. */
-int
+static int
 ospf_flood_through_interface (struct ospf_interface *oi,
 			      struct ospf_neighbor *inbr,
 			      struct ospf_lsa *lsa)
@@ -937,7 +937,7 @@
   return ospf_lsdb_lookup (&nbr->ls_rxmt, lsa);
 }
 
-void
+static void
 ospf_ls_retransmit_delete_nbr_if (struct ospf_interface *oi,
 				  struct ospf_lsa *lsa)
 {