diff --git a/lib/dns/message.c b/lib/dns/message.c
index d1917b30e2..c00d54bffd 100644
--- a/lib/dns/message.c
+++ b/lib/dns/message.c
@@ -3839,8 +3839,6 @@ dns_message_pseudosectiontoyaml(dns_message_t *msg, dns_pseudosection_t section,
 					id = isc_buffer_getuint16(&optbuf);
 					snprintf(buf, sizeof(buf), " %u\n", id);
 					ADD_STRING(target, buf);
-					optlen -= 2;
-					POST(optlen);
 					continue;
 				}
 			} else if (optcode == DNS_OPT_SERVER_TAG) {
@@ -3851,8 +3849,6 @@ dns_message_pseudosectiontoyaml(dns_message_t *msg, dns_pseudosection_t section,
 					id = isc_buffer_getuint16(&optbuf);
 					snprintf(buf, sizeof(buf), " %u\n", id);
 					ADD_STRING(target, buf);
-					optlen -= 2;
-					POST(optlen);
 					continue;
 				}
 			} else {
@@ -4231,8 +4227,6 @@ dns_message_pseudosectiontotext(dns_message_t *msg, dns_pseudosection_t section,
 					id = isc_buffer_getuint16(&optbuf);
 					snprintf(buf, sizeof(buf), " %u\n", id);
 					ADD_STRING(target, buf);
-					optlen -= 2;
-					POST(optlen);
 					continue;
 				}
 			} else if (optcode == DNS_OPT_SERVER_TAG) {
@@ -4242,8 +4236,6 @@ dns_message_pseudosectiontotext(dns_message_t *msg, dns_pseudosection_t section,
 					id = isc_buffer_getuint16(&optbuf);
 					snprintf(buf, sizeof(buf), " %u\n", id);
 					ADD_STRING(target, buf);
-					optlen -= 2;
-					POST(optlen);
 					continue;
 				}
 			} else {