Index: uspace/lib/c/include/inet/iplink.h
===================================================================
--- uspace/lib/c/include/inet/iplink.h	(revision e948fde266f4f69dd0caf033d76df02d962da8f2)
+++ uspace/lib/c/include/inet/iplink.h	(revision 159ad6d8524ad944ba02f680a377b13bd5502be4)
@@ -37,5 +37,4 @@
 
 #include <async.h>
-#include <sys/types.h>
 #include <inet/addr.h>
 
@@ -78,5 +77,5 @@
 
 typedef struct iplink_ev_ops {
-	int (*recv)(iplink_t *, iplink_recv_sdu_t *, uint16_t);
+	int (*recv)(iplink_t *, iplink_recv_sdu_t *, ip_ver_t);
 } iplink_ev_ops_t;
 
Index: uspace/lib/c/include/inet/iplink_srv.h
===================================================================
--- uspace/lib/c/include/inet/iplink_srv.h	(revision e948fde266f4f69dd0caf033d76df02d962da8f2)
+++ uspace/lib/c/include/inet/iplink_srv.h	(revision 159ad6d8524ad944ba02f680a377b13bd5502be4)
@@ -39,5 +39,4 @@
 #include <fibril_synch.h>
 #include <stdbool.h>
-#include <sys/types.h>
 #include <inet/addr.h>
 #include <inet/iplink.h>
@@ -67,5 +66,5 @@
 
 extern int iplink_conn(ipc_callid_t, ipc_call_t *, void *);
-extern int iplink_ev_recv(iplink_srv_t *, iplink_recv_sdu_t *, uint16_t);
+extern int iplink_ev_recv(iplink_srv_t *, iplink_recv_sdu_t *, ip_ver_t);
 
 #endif