Index: uspace/lib/c/include/macros.h
===================================================================
--- uspace/lib/c/include/macros.h	(revision 63f89665fc0283c1661274dc636d5a66e03d48b4)
+++ uspace/lib/c/include/macros.h	(revision d09f37205721ab861f408e36aa5b0e169abffef0)
@@ -39,9 +39,6 @@
 #define max(a, b)  ((a) > (b) ? (a) : (b))
 
-#define SIZE2KB(size)  ((size) >> 10)
-#define SIZE2MB(size)  ((size) >> 20)
-
-#define KB2SIZE(kb)  ((kb) << 10)
-#define MB2SIZE(mb)  ((mb) << 20)
+#define KiB2SIZE(kb)  ((kb) << 10)
+#define MiB2SIZE(mb)  ((mb) << 20)
 
 #define STRING(arg)      STRING_ARG(arg)