diff --git a/components/net/lwip-2.0.2/src/api/api_lib.c b/components/net/lwip-2.0.2/src/api/api_lib.c
index 3c1d6a6c27031b5661d68f42b011e5dd76f37699..7d9c12768dba052ef84817f973cdf3b3e5d15c58 100644
--- a/components/net/lwip-2.0.2/src/api/api_lib.c
+++ b/components/net/lwip-2.0.2/src/api/api_lib.c
@@ -175,12 +175,12 @@ netconn_delete(struct netconn *conn)
 
   API_MSG_VAR_ALLOC(msg);
   API_MSG_VAR_REF(msg).conn = conn;
+#if LWIP_TCP
 #if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER
   /* get the time we started, which is later compared to
      sys_now() + conn->send_timeout */
   API_MSG_VAR_REF(msg).msg.sd.time_started = sys_now();
 #else /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
-#if LWIP_TCP
   API_MSG_VAR_REF(msg).msg.sd.polls_left =
     ((LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT + TCP_SLOW_INTERVAL - 1) / TCP_SLOW_INTERVAL) + 1;
 #endif /* LWIP_TCP */
diff --git a/components/net/lwip-2.1.0/src/api/api_lib.c b/components/net/lwip-2.1.0/src/api/api_lib.c
index e03b8b74515862e0b998bf253898c5a435fa4d0b..5e9ceafa53dddfb09809905a32d1777fbbb129f9 100644
--- a/components/net/lwip-2.1.0/src/api/api_lib.c
+++ b/components/net/lwip-2.1.0/src/api/api_lib.c
@@ -201,12 +201,12 @@ netconn_prepare_delete(struct netconn *conn)
 
   API_MSG_VAR_ALLOC(msg);
   API_MSG_VAR_REF(msg).conn = conn;
+#if LWIP_TCP
 #if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER
   /* get the time we started, which is later compared to
      sys_now() + conn->send_timeout */
   API_MSG_VAR_REF(msg).msg.sd.time_started = sys_now();
 #else /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
-#if LWIP_TCP
   API_MSG_VAR_REF(msg).msg.sd.polls_left =
     ((LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT + TCP_SLOW_INTERVAL - 1) / TCP_SLOW_INTERVAL) + 1;
 #endif /* LWIP_TCP */