diff --git a/ssl/handoff.cc b/ssl/handoff.cc
index 6964cbe..f47f997 100644
--- a/ssl/handoff.cc
+++ b/ssl/handoff.cc
@@ -133,10 +133,6 @@
       s3->session_reused ? ssl->session : s3->hs->new_session.get();
   if (!CBB_add_asn1(out, &seq, CBS_ASN1_SEQUENCE) ||
       !CBB_add_asn1_uint64(&seq, kHandbackVersion) ||
-      !CBB_add_asn1_uint64(&seq, ssl->version) ||
-      !CBB_add_asn1_uint64(&seq, ssl->conf_max_version) ||
-      !CBB_add_asn1_uint64(&seq, ssl->conf_min_version) ||
-      !CBB_add_asn1_uint64(&seq, ssl->max_send_fragment) ||
       !CBB_add_asn1_octet_string(&seq, s3->read_sequence,
                                  sizeof(s3->read_sequence)) ||
       !CBB_add_asn1_octet_string(&seq, s3->write_sequence,
@@ -148,7 +144,6 @@
       !CBB_add_asn1_octet_string(&seq, read_iv, iv_len) ||
       !CBB_add_asn1_octet_string(&seq, write_iv, iv_len) ||
       !CBB_add_asn1_bool(&seq, s3->session_reused) ||
-      !CBB_add_asn1_bool(&seq, s3->send_connection_binding) ||
       !CBB_add_asn1_bool(&seq, s3->tlsext_channel_id_valid) ||
       !ssl_session_serialize(session, &seq) ||
       !CBB_add_asn1_octet_string(&seq, s3->next_proto_negotiated.data(),
@@ -160,12 +155,6 @@
           hostname_len) ||
       !CBB_add_asn1_octet_string(&seq, s3->tlsext_channel_id,
                                  sizeof(s3->tlsext_channel_id)) ||
-      !CBB_add_asn1_uint64(&seq, ssl->options) ||
-      !CBB_add_asn1_uint64(&seq, ssl->mode) ||
-      !CBB_add_asn1_uint64(&seq, ssl->max_cert_list) ||
-      !CBB_add_asn1_bool(&seq, ssl->quiet_shutdown) ||
-      !CBB_add_asn1_bool(&seq, ssl->tlsext_channel_id_enabled) ||
-      !CBB_add_asn1_bool(&seq, ssl->retain_only_sha256_of_client_certs) ||
       !CBB_add_asn1_bool(&seq, ssl->token_binding_negotiated) ||
       !CBB_add_asn1_uint64(&seq, ssl->negotiated_token_binding_param) ||
       !CBB_add_asn1_bool(&seq, s3->hs->next_proto_neg_seen) ||
@@ -191,16 +180,12 @@
   }
 
   SSL3_STATE *const s3 = ssl->s3;
-  uint64_t handback_version, version, conf_max_version, conf_min_version,
-      max_send_fragment, options, mode, max_cert_list,
-      negotiated_token_binding_param, cipher;
+  uint64_t handback_version, negotiated_token_binding_param, cipher;
 
   CBS seq, read_seq, write_seq, server_rand, client_rand, read_iv, write_iv,
       next_proto, alpn, hostname, channel_id, transcript, key_share;
-  int session_reused, send_connection_binding, channel_id_valid, quiet_shutdown,
-      channel_id_enabled, retain_only_sha256, cert_request,
-      extended_master_secret, ticket_expected, token_binding_negotiated,
-      next_proto_neg_seen;
+  int session_reused, channel_id_valid, cert_request, extended_master_secret,
+      ticket_expected, token_binding_negotiated, next_proto_neg_seen;
   SSL_SESSION *session = nullptr;
 
   CBS handback_cbs(handback);
@@ -210,11 +195,7 @@
     return false;
   }
 
-  if (!CBS_get_asn1_uint64(&seq, &version) ||
-      !CBS_get_asn1_uint64(&seq, &conf_max_version) ||
-      !CBS_get_asn1_uint64(&seq, &conf_min_version) ||
-      !CBS_get_asn1_uint64(&seq, &max_send_fragment) ||
-      !CBS_get_asn1(&seq, &read_seq, CBS_ASN1_OCTETSTRING) ||
+  if (!CBS_get_asn1(&seq, &read_seq, CBS_ASN1_OCTETSTRING) ||
       CBS_len(&read_seq) != sizeof(s3->read_sequence) ||
       !CBS_get_asn1(&seq, &write_seq, CBS_ASN1_OCTETSTRING) ||
       CBS_len(&write_seq) != sizeof(s3->write_sequence) ||
@@ -229,7 +210,6 @@
       !CBS_get_asn1(&seq, &read_iv, CBS_ASN1_OCTETSTRING) ||
       !CBS_get_asn1(&seq, &write_iv, CBS_ASN1_OCTETSTRING) ||
       !CBS_get_asn1_bool(&seq, &session_reused) ||
-      !CBS_get_asn1_bool(&seq, &send_connection_binding) ||
       !CBS_get_asn1_bool(&seq, &channel_id_valid)) {
     return false;
   }
@@ -253,12 +233,6 @@
       CBS_len(&channel_id) != sizeof(s3->tlsext_channel_id) ||
       !CBS_copy_bytes(&channel_id, s3->tlsext_channel_id,
                       sizeof(s3->tlsext_channel_id)) ||
-      !CBS_get_asn1_uint64(&seq, &options) ||
-      !CBS_get_asn1_uint64(&seq, &mode) ||
-      !CBS_get_asn1_uint64(&seq, &max_cert_list) ||
-      !CBS_get_asn1_bool(&seq, &quiet_shutdown) ||
-      !CBS_get_asn1_bool(&seq, &channel_id_enabled) ||
-      !CBS_get_asn1_bool(&seq, &retain_only_sha256) ||
       !CBS_get_asn1_bool(&seq, &token_binding_negotiated) ||
       !CBS_get_asn1_uint64(&seq, &negotiated_token_binding_param) ||
       !CBS_get_asn1_bool(&seq, &next_proto_neg_seen) ||
@@ -277,24 +251,14 @@
     return false;
   }
 
-  ssl->version = version;
-  ssl->conf_max_version = conf_max_version;
-  ssl->conf_min_version = conf_min_version;
-  ssl->max_send_fragment = max_send_fragment;
-  if (ssl->max_send_fragment == 0) {
-    return false;
-  }
+  ssl->version = session->ssl_version;
   ssl->do_handshake = ssl_server_handshake;
   ssl->server = true;
-  ssl->options = options;
-  ssl->mode = mode;
-  ssl->max_cert_list = max_cert_list;
 
   s3->have_version = true;
   s3->hs->state = CBS_len(&transcript) == 0 ? state12_finish_server_handshake
                                             : state12_read_client_certificate;
   s3->session_reused = session_reused;
-  s3->send_connection_binding = send_connection_binding;
   s3->tlsext_channel_id_valid = channel_id_valid;
   s3->next_proto_negotiated.CopyFrom(next_proto);
   s3->alpn_selected.CopyFrom(alpn);
@@ -310,9 +274,6 @@
     s3->hostname.reset(hostname_str);
   }
 
-  ssl->quiet_shutdown = quiet_shutdown;
-  ssl->tlsext_channel_id_enabled = channel_id_enabled;
-  ssl->retain_only_sha256_of_client_certs = retain_only_sha256;
   ssl->token_binding_negotiated = token_binding_negotiated;
   ssl->negotiated_token_binding_param =
       static_cast<uint8_t>(negotiated_token_binding_param);