diff --git a/ospfd/ospf_lsdb.c b/ospfd/ospf_lsdb.c
index 2e1bded..c906f05 100644
--- a/ospfd/ospf_lsdb.c
+++ b/ospfd/ospf_lsdb.c
@@ -75,7 +75,6 @@
 static void
 lsdb_prefix_set (struct prefix_ls *lp, struct ospf_lsa *lsa)
 {
-  memset (lp, 0, sizeof (struct prefix_ls));
   lp->family = 0;
   lp->prefixlen = 64;
   lp->id = lsa->data->id;