diff --git a/src/core/tcp_out.c b/src/core/tcp_out.c
index 5a9c0319..a64e420d 100644
--- a/src/core/tcp_out.c
+++ b/src/core/tcp_out.c
@@ -242,7 +242,6 @@ tcp_pbuf_prealloc(pbuf_layer layer, u16_t length, u16_t max_length,
   LWIP_UNUSED_ARG(pcb);
   LWIP_UNUSED_ARG(apiflags);
   LWIP_UNUSED_ARG(first_seg);
-  /* always create MSS-sized pbufs */
   alloc = max_length;
 #else /* LWIP_NETIF_TX_SINGLE_PBUF */
   if (length < max_length) {