diff --git a/cpu/native/net/wpcap.c b/cpu/native/net/wpcap.c
index 2a18f8188..b0d6af43b 100644
--- a/cpu/native/net/wpcap.c
+++ b/cpu/native/net/wpcap.c
@@ -30,7 +30,7 @@
  *
  * Author: Oliver Schmidt <ol.sc@web.de>
  *
- * $Id: wpcap.c,v 1.19 2010/10/19 18:29:04 adamdunkels Exp $
+ * $Id: wpcap.c,v 1.20 2010/10/19 20:30:47 oliverschmidt Exp $
  */
 
 #define WIN32_LEAN_AND_MEAN
@@ -54,10 +54,6 @@
 #define PRINTF(...)
 #endif
 
-/* Avoid 'conflicting types' errors. */
-#define uip_htonl
-#define uip_htons
-
 #include "contiki-net.h"
 #include "sys/log.h"
 
diff --git a/platform/win32/contiki-main.c b/platform/win32/contiki-main.c
index 213e12cce..489618bb1 100644
--- a/platform/win32/contiki-main.c
+++ b/platform/win32/contiki-main.c
@@ -30,7 +30,7 @@
  * 
  * Author: Oliver Schmidt <ol.sc@web.de>
  *
- * $Id: contiki-main.c,v 1.19 2010/10/19 18:29:05 adamdunkels Exp $
+ * $Id: contiki-main.c,v 1.20 2010/10/19 20:30:47 oliverschmidt Exp $
  */
 
 #define WIN32_LEAN_AND_MEAN
@@ -38,10 +38,6 @@
 #include <winsock2.h>
 #include <stdio.h>
 
-/* Avoid 'conflicting types' errors. */
-#define uip_htonl
-#define uip_htons
-
 #include "contiki-net.h"
 
 #include "sys/clock.h"
diff --git a/tools/wpcapslip/wpcap.c b/tools/wpcapslip/wpcap.c
index 4949786ae..5ad816184 100644
--- a/tools/wpcapslip/wpcap.c
+++ b/tools/wpcapslip/wpcap.c
@@ -30,7 +30,7 @@
  *
  * Author: Oliver Schmidt <ol.sc@web.de>
  *
- * $Id: wpcap.c,v 1.5 2010/10/19 18:29:05 adamdunkels Exp $
+ * $Id: wpcap.c,v 1.6 2010/10/19 20:30:47 oliverschmidt Exp $
  */
 
 
@@ -66,10 +66,6 @@
 
 #include <err.h>
 
-/* Avoid 'conflicting types' errors. */
-#define uip_htonl
-#define uip_htons
-
 
 #define PROGRESS(x)