diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index 4971fcba..2e5ccb75 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -756,7 +756,7 @@ err_t mmnif_tx(struct netif* netif, struct pbuf* p)
 
 #ifdef DEBUG_MMNIF
 	DEBUGPRINTF("\n SEND 0x%.8X\n",(char*)mmnif->rx_buff + 2 + pos * 1792);
-	hex_dump(p->tot_len +2, mmnif->tx_buff[slot]);
+//	hex_dump(p->tot_len +2, mmnif->tx_buff[slot]);
 #endif
 
 	/* if driver is not in polling mode inform core that a message has arrived */
@@ -960,7 +960,7 @@ static void mmnif_rx(struct netif* netif)
 
 #ifdef DEBUG_MMNIF
 	DEBUGPRINTF("\n RECIEVED - 0x%.8X\n",data + pos);
-	hex_dump(length+2,data + pos);
+//	hex_dump(length+2,data + pos);
 #endif
 	
 	/* drop the length word of the packet data since it's no longer needed*/