diff --git a/CHANGES b/CHANGES
index b95c679b01..f187f7db6d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+3372.	[bug]		Silence spurious "deleted from unreachable cache"
+			messages.  [RT #30501]
+
 3371.	[bug]		AD=1 should behave like DO=1 when deciding whether to
 			add NS RRsets to the additional section or not.
 			[RT #30479]
diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index 4ac9e8efa6..58110a6dac 100644
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -14550,6 +14550,8 @@ dns_zonemgr_unreachabledel(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
 	for (i = 0; i < UNREACH_CHACHE_SIZE; i++) {
 		if (isc_sockaddr_equal(&zmgr->unreachable[i].remote, remote) &&
 		    isc_sockaddr_equal(&zmgr->unreachable[i].local, local)) {
+			if (zmgr->unreachable[i].expire == 0)
+				break;
 			result = isc_rwlock_tryupgrade(&zmgr->urlock);
 			if (result == ISC_R_SUCCESS) {
 				locktype = isc_rwlocktype_write;