Index: uspace/lib/drv/generic/dev_iface.c
===================================================================
--- uspace/lib/drv/generic/dev_iface.c	(revision 7e9e652913a5985f37d6cd1f38ebc993db6a8849)
+++ uspace/lib/drv/generic/dev_iface.c	(revision 3345b8643e43d3ed4e6235473b2897c18e8a697c)
@@ -37,4 +37,5 @@
 
 #include <assert.h>
+#include <stddef.h>
 
 #include "dev_iface.h"
Index: uspace/lib/drv/generic/logbuf.c
===================================================================
--- uspace/lib/drv/generic/logbuf.c	(revision 7e9e652913a5985f37d6cd1f38ebc993db6a8849)
+++ uspace/lib/drv/generic/logbuf.c	(revision 3345b8643e43d3ed4e6235473b2897c18e8a697c)
@@ -33,7 +33,7 @@
 #include <libarch/common.h>
 #include <stdio.h>
+#include <stddef.h>
 #include <ddf/log.h>
 #include <assert.h>
-#include <unistd.h>
 
 /** Formatting string for printing number of not-printed items. */