Index: uspace/srv/net/nil/eth/eth.c
===================================================================
--- uspace/srv/net/nil/eth/eth.c	(revision 28a3e74e6d058abea15c330564b3724616fe271b)
+++ uspace/srv/net/nil/eth/eth.c	(revision 4a4c8bcf0ce34cbf901b7d7d1d02ef84f5b04d48)
@@ -59,4 +59,7 @@
 #include <packet_remote.h>
 #include <nil_skel.h>
+
+// FIXME: remove this header
+#include <kernel/ipc/ipc_methods.h>
 
 #include "eth.h"
@@ -846,8 +849,9 @@
 	
 	*answer_count = 0;
+	
+	if (!IPC_GET_IMETHOD(*call))
+		return EOK;
+	
 	switch (IPC_GET_IMETHOD(*call)) {
-	case IPC_M_PHONE_HUNGUP:
-		return EOK;
-	
 	case NET_NIL_DEVICE:
 		return eth_device_message(IPC_GET_DEVICE(*call),
Index: uspace/srv/net/nil/nildummy/nildummy.c
===================================================================
--- uspace/srv/net/nil/nildummy/nildummy.c	(revision 28a3e74e6d058abea15c330564b3724616fe271b)
+++ uspace/srv/net/nil/nildummy/nildummy.c	(revision 4a4c8bcf0ce34cbf901b7d7d1d02ef84f5b04d48)
@@ -54,4 +54,7 @@
 #include <nil_skel.h>
 
+// FIXME: remove this header
+#include <kernel/ipc/ipc_methods.h>
+
 #include "nildummy.h"
 
@@ -393,8 +396,9 @@
 	
 	*answer_count = 0;
+	
+	if (!IPC_GET_IMETHOD(*call))
+		return EOK;
+	
 	switch (IPC_GET_IMETHOD(*call)) {
-	case IPC_M_PHONE_HUNGUP:
-		return EOK;
-	
 	case NET_NIL_DEVICE:
 		return nildummy_device_message(IPC_GET_DEVICE(*call),