Index: uspace/lib/c/arch/amd64/include/inttypes.h
===================================================================
--- uspace/lib/c/arch/amd64/include/inttypes.h	(revision 598f90e95d4285118ba60723e23a04384ddcfc5e)
+++ uspace/lib/c/arch/amd64/include/inttypes.h	(revision eb667613a9821baef69a2514cbc33a1bd8f3d782)
@@ -41,33 +41,9 @@
 #define LIBC_amd64_INTTYPES_H_
 
-#define PRId8 "d"
-#define PRId16 "d"
-#define PRId32 "d"
-#define PRId64 "lld"
-#define PRIdPTR "lld"
-
-#define PRIo8 "o"
-#define PRIo16 "o"
-#define PRIo32 "o"
-#define PRIo64 "llo"
-#define PRIoPTR "llo"
-
-#define PRIu8 "u"
-#define PRIu16 "u"
-#define PRIu32 "u"
-#define PRIu64 "llu"
-#define PRIuPTR "llu"
-
-#define PRIx8 "x"
-#define PRIx16 "x"
-#define PRIx32 "x"
-#define PRIx64 "llx"
-#define PRIxPTR "llx"
-
-#define PRIX8 "X"
-#define PRIX16 "X"
-#define PRIX32 "X"
-#define PRIX64 "llX"
-#define PRIXPTR "llX"
+#define PRIdPTR  PRId64
+#define PRIoPTR  PRIo64
+#define PRIuPTR  PRIu64
+#define PRIxPTR  PRIx64
+#define PRIXPTR  PRIX64
 
 #endif