diff --git a/lib/dns/include/dns/zoneproperties.h b/lib/dns/include/dns/zoneproperties.h
index dcfeafa8fc..48f3ff0202 100644
--- a/lib/dns/include/dns/zoneproperties.h
+++ b/lib/dns/include/dns/zoneproperties.h
@@ -81,9 +81,6 @@ dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin);
  * Require:
  *\li	'zone' to be a valid zone.
  *\li	'origin' to be non NULL.
- *
- * Returns:
- *\li	#ISC_R_SUCCESS
  */
 
 dns_name_t *
@@ -312,9 +309,6 @@ dns_zone_setalsonotify(dns_zone_t *zone, isc_sockaddr_t *addresses,
  *	Set the list of additional servers to be notified when
  *	a zone changes.	 To clear the list use 'count = 0'.
  *
- *	dns_zone_alsonotifywithkeys() allows each notify address to
- *	be associated with a TSIG key.
- *
  * Require:
  *\li	'zone' to be a valid zone.
  *\li	'addresses' to be non-NULL if count != 0.