diff --git a/src/ia64/rse.h b/src/ia64/rse.h
deleted file mode 100644
index 928f1a63..00000000
--- a/src/ia64/rse.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 1998, 1999, 2002, 2003 Hewlett-Packard Co
- *	David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * Register stack engine related helper functions.  This file may be
- * used in applications, so be careful about the name-space and give
- * some consideration to non-GNU C compilers (though __inline__ is
- * fine).
- */
-#ifndef RSE_H
-#define RSE_H
-
-#include "internal.h"
-
-#include <inttypes.h>
-
-static inline uint64_t
-ia64_rse_slot_num (uint64_t addr)
-{
-	return (addr >> 3) & 0x3f;
-}
-
-/*
- * Return TRUE if ADDR is the address of an RNAT slot.
- */
-static inline uint64_t
-ia64_rse_is_rnat_slot (uint64_t addr)
-{
-	return ia64_rse_slot_num (addr) == 0x3f;
-}
-
-/*
- * Returns the address of the RNAT slot that covers the slot at
- * address SLOT_ADDR.
- */
-static inline uint64_t
-ia64_rse_rnat_addr (uint64_t slot_addr)
-{
-	return slot_addr | (0x3f << 3);
-}
-
-/*
- * Calcuate the number of registers in the dirty partition starting at
- * BSPSTORE and ending at BSP.  This isn't simply (BSP-BSPSTORE)/8
- * because every 64th slot stores ar.rnat.
- */
-static inline uint64_t
-ia64_rse_num_regs (uint64_t bspstore, uint64_t bsp)
-{
-	uint64_t slots = (bsp - bspstore) >> 3;
-
-	return slots - (ia64_rse_slot_num(bspstore) + slots)/0x40;
-}
-
-/*
- * The inverse of the above: given bspstore and the number of
- * registers, calculate ar.bsp.
- */
-static inline uint64_t
-ia64_rse_skip_regs (uint64_t addr, long num_regs)
-{
-	long delta = ia64_rse_slot_num(addr) + num_regs;
-
-	if (num_regs < 0)
-		delta -= 0x3e;
-	return addr + ((num_regs + delta/0x3f) << 3);
-}
-
-#endif /* RSE_H */