Index: uspace/lib/c/include/adt/list.h
===================================================================
--- uspace/lib/c/include/adt/list.h	(revision d51beba3dc7e6298f4b9692cbba4886d50303d39)
+++ uspace/lib/c/include/adt/list.h	(revision 312e5ff64a7e4151a05801b65b38da2bbe914da0)
@@ -39,5 +39,5 @@
 #include <assert.h>
 #include <stdbool.h>
-#include <unistd.h>
+#include <stddef.h>
 
 /** Doubly linked list link. */