diff --git a/core/net/mac/phase.c b/core/net/mac/phase.c
index 735e61f45..e1af5407e 100644
--- a/core/net/mac/phase.c
+++ b/core/net/mac/phase.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: phase.c,v 1.16 2010/12/16 22:43:07 adamdunkels Exp $
+ * $Id: phase.c,v 1.17 2010/12/18 22:12:53 dak664 Exp $
  */
 
 /**
@@ -119,7 +119,7 @@ phase_update(const struct phase_list *list,
         timer_set(&e->noacks_timer, MAX_NOACKS_TIME);
       }
       if(e->noacks >= MAX_NOACKS || timer_expired(&e->noacks_timer)) {
-        printf("drop %d\n", neighbor->u8[0]);
+        PRINTF("drop %d\n", neighbor->u8[0]);
         list_remove(*list->list, e);
         memb_free(list->memb, e);
         return;
diff --git a/core/net/rime/collect.c b/core/net/rime/collect.c
index ca7895ac4..01a07c18e 100644
--- a/core/net/rime/collect.c
+++ b/core/net/rime/collect.c
@@ -33,7 +33,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: collect.c,v 1.68 2010/12/16 22:45:15 adamdunkels Exp $
+ * $Id: collect.c,v 1.69 2010/12/18 22:12:53 dak664 Exp $
  */
 
 /**
@@ -214,7 +214,7 @@ struct {
 /* Forward declarations. */
 static void send_queued_packet(struct collect_conn *c);
 static void retransmit_callback(void *ptr);
-static void retransmit_not_sent_callback(void *ptr);
+//static void retransmit_not_sent_callback(void *ptr); //Currently not used, avoid any compiler warning
 static void set_keepalive_timer(struct collect_conn *c);
 
 /*---------------------------------------------------------------------------*/
@@ -1133,6 +1133,7 @@ node_packet_sent(struct unicast_conn *c, int status, int transmissions)
  * MAC layer transmissions to the transmission count, and call the
  * retransmit function.
  */
+#if 0 //not currently used, avoid any compiler warning
 static void
 retransmit_not_sent_callback(void *ptr)
 {
@@ -1142,6 +1143,7 @@ retransmit_not_sent_callback(void *ptr)
   c->transmissions += MAX_MAC_REXMITS + 1;
   retransmit_callback(c);
 }
+#endif
 /*---------------------------------------------------------------------------*/
 /**
  * This function is called from a ctimer that is setup when a packet