diff --git a/lib/dns/include/dns/zone.h b/lib/dns/include/dns/zone.h
index bac97d7824..1d9ad66abd 100644
--- a/lib/dns/include/dns/zone.h
+++ b/lib/dns/include/dns/zone.h
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zone.h,v 1.83 2000/11/03 18:42:56 gson Exp $ */
+/* $Id: zone.h,v 1.84 2000/11/03 18:43:53 gson Exp $ */
 
 #ifndef DNS_ZONE_H
 #define DNS_ZONE_H 1
@@ -1232,8 +1232,6 @@ dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup);
  *	'dialup' to be a valid dialup type.
  */
 
-extern int dns_zone_countsize;
-
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_ZONE_H */