diff --git a/lib/vquic/curl_ngtcp2.c b/lib/vquic/curl_ngtcp2.c
index 20b9240f09..7a0c214422 100644
--- a/lib/vquic/curl_ngtcp2.c
+++ b/lib/vquic/curl_ngtcp2.c
@@ -877,7 +877,7 @@ static ngtcp2_callbacks ng_callbacks = {
   cb_recv_rx_key,
   NULL, /* recv_tx_key */
   NULL, /* early_data_rejected */
-#ifdef NGTCP2_CALLBACKS_V2
+#ifdef NGTCP2_CALLBACKS_V2  /* ngtcp2 v1.14.0+ */
   NULL, /* begin_path_validation */
 #endif
 };
@@ -1291,12 +1291,15 @@ static nghttp3_callbacks ngh3_callbacks = {
   NULL, /* end_stream */
   cb_h3_reset_stream,
   NULL, /* shutdown */
-  NULL, /* recv_settings */
-#ifdef NGHTTP3_CALLBACKS_V2
+  NULL, /* recv_settings (deprecated) */
+#ifdef NGHTTP3_CALLBACKS_V2  /* nghttp3 v1.11.0+ */
   NULL, /* recv_origin */
   NULL, /* end_origin */
   NULL, /* rand */
 #endif
+#ifdef NGHTTP3_CALLBACKS_V3  /* nghttp3 v1.14.0+ */
+  NULL, /* recv_settings2 */
+#endif
 };
 
 static CURLcode init_ngh3_conn(struct Curl_cfilter *cf,
diff --git a/lib/vquic/curl_osslq.c b/lib/vquic/curl_osslq.c
index cffe61a402..537484faf6 100644
--- a/lib/vquic/curl_osslq.c
+++ b/lib/vquic/curl_osslq.c
@@ -1074,12 +1074,15 @@ static nghttp3_callbacks ngh3_callbacks = {
   NULL, /* end_stream */
   cb_h3_reset_stream,
   NULL, /* shutdown */
-  NULL, /* recv_settings */
-#ifdef NGHTTP3_CALLBACKS_V2
+  NULL, /* recv_settings (deprecated) */
+#ifdef NGHTTP3_CALLBACKS_V2  /* nghttp3 v1.11.0+ */
   NULL, /* recv_origin */
   NULL, /* end_origin */
   NULL, /* rand */
 #endif
+#ifdef NGHTTP3_CALLBACKS_V3  /* nghttp3 v1.14.0+ */
+  NULL, /* recv_settings2 */
+#endif
 };
 
 static CURLcode cf_osslq_h3conn_init(struct cf_osslq_ctx *ctx, SSL *conn,