diff --git a/bin/tests/system/serve-stale/tests.sh b/bin/tests/system/serve-stale/tests.sh
index dc5e7d9d9f..6dc3c20308 100755
--- a/bin/tests/system/serve-stale/tests.sh
+++ b/bin/tests/system/serve-stale/tests.sh
@@ -1649,7 +1649,7 @@ if [ $ret != 0 ]; then echo_i "failed"; fi
 status=$((status + ret))
 # Check that expired records are not dumped.
 ret=0
-grep "; expired since .* (awaiting cleanup)" ns5/named_dump.db.test$n && ret=1
+grep "; expired (awaiting cleanup)" ns5/named_dump.db.test$n && ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=$((status + ret))
 
@@ -1665,13 +1665,13 @@ status=$((status + ret))
 echo_i "check rndc dump expired data.example ($n)"
 ret=0
 awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n \
-  | grep "; expired since .* (awaiting cleanup) data\.example\..*A text record with a 2 second ttl" >/dev/null 2>&1 || ret=1
+  | grep "; expired (awaiting cleanup) data\.example\..*A text record with a 2 second ttl" >/dev/null 2>&1 || ret=1
 awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n \
-  | grep "; expired since .* (awaiting cleanup) nodata\.example\." >/dev/null 2>&1 || ret=1
+  | grep "; expired (awaiting cleanup) nodata\.example\." >/dev/null 2>&1 || ret=1
 awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n \
-  | grep "; expired since .* (awaiting cleanup) nxdomain\.example\." >/dev/null 2>&1 || ret=1
+  | grep "; expired (awaiting cleanup) nxdomain\.example\." >/dev/null 2>&1 || ret=1
 awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n \
-  | grep "; expired since .* (awaiting cleanup) othertype\.example\." >/dev/null 2>&1 || ret=1
+  | grep "; expired (awaiting cleanup) othertype\.example\." >/dev/null 2>&1 || ret=1
 # Also make sure the not expired data does not have an expired comment.
 awk '/; authanswer/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n \
   | grep "; authanswer longttl\.example.*A text record with a 600 second ttl" >/dev/null 2>&1 || ret=1
diff --git a/lib/dns/masterdump.c b/lib/dns/masterdump.c
index fa892c148a..89ae4154b1 100644
--- a/lib/dns/masterdump.c
+++ b/lib/dns/masterdump.c
@@ -1162,15 +1162,7 @@ again:
 			if (STALE(rds)) {
 				fprintf(f, "; stale\n");
 			} else if (ANCIENT(rds)) {
-				isc_buffer_t b;
-				char buf[sizeof("YYYYMMDDHHMMSS")];
-				memset(buf, 0, sizeof(buf));
-				isc_buffer_init(&b, buf, sizeof(buf) - 1);
-				dns_time64_totext((uint64_t)rds->ttl, &b);
-				fprintf(f,
-					"; expired since %s "
-					"(awaiting cleanup)\n",
-					buf);
+				fprintf(f, "; expired (awaiting cleanup)\n");
 			}
 			result = dump_rdataset(mctx, name, rds, ctx, buffer, f);
 			if (result != ISC_R_SUCCESS) {
diff --git a/lib/dns/qpcache.c b/lib/dns/qpcache.c
index ab8f22add2..566490bc71 100644
--- a/lib/dns/qpcache.c
+++ b/lib/dns/qpcache.c
@@ -1102,7 +1102,7 @@ bindrdataset(qpcache_t *qpdb, qpcnode_t *node, dns_slabheader_t *header,
 		rdataset->attributes |= DNS_RDATASETATTR_STALE;
 	} else if (!ACTIVE(header, now)) {
 		rdataset->attributes |= DNS_RDATASETATTR_ANCIENT;
-		rdataset->ttl = header->ttl;
+		rdataset->ttl = 0;
 	}
 
 	rdataset->count = atomic_fetch_add_relaxed(&header->count, 1);