diff --git a/kernel/netio.c b/kernel/netio.c
index 37a7ccda..aeef965e 100644
--- a/kernel/netio.c
+++ b/kernel/netio.c
@@ -254,8 +254,6 @@ netio_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
     /* done with this round of sending */
     ns->buf_pos = 0;
     ns->cntr = 0;
-
-    /* check if timer expired */
     ns->buf_ptr[0] = 1;
     ns->state = NETIO_STATE_SEND_DATA_LAST;
   }