Index: uspace/lib/c/include/adt/list.h
===================================================================
--- uspace/lib/c/include/adt/list.h	(revision 101e305041bfb2661823ca537f5a375b676556e8)
+++ uspace/lib/c/include/adt/list.h	(revision 12b29f32772d8b50ed4478da4ccb5adf9396f70e)
@@ -39,5 +39,5 @@
 #include <assert.h>
 #include <stdbool.h>
-#include <unistd.h>
+#include <stddef.h>
 
 /** Doubly linked list link. */