diff --git a/core/net/uip-ds6.c b/core/net/uip-ds6.c
index 929d233d4..396f69814 100755
--- a/core/net/uip-ds6.c
+++ b/core/net/uip-ds6.c
@@ -46,7 +46,7 @@
 #include "net/uip-nd6.h"
 #include "net/uip-ds6.h"
 
-#define DEBUG 1
+#define DEBUG 0
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)