diff --git a/core/net/mac/phase.c b/core/net/mac/phase.c
index fe9f6a97b..e4d04b8a0 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 1.9 2010/04/04 21:02:09 adamdunkels Exp $
+ * $Id: phase.c,v 1.10 2010/04/06 21:37:54 nvt-se Exp $
  */
 
 /**
@@ -61,7 +61,7 @@ struct phase_queueitem {
 
 MEMB(queued_packets_memb, struct phase_queueitem, PHASE_QUEUESIZE);
 
-#define DEBUG 1
+#define DEBUG 0
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)