diff --git a/arch/sparc/cpu/leon3/start.S b/arch/sparc/cpu/leon3/start.S
index cf897f6..5f904fa 100644
--- a/arch/sparc/cpu/leon3/start.S
+++ b/arch/sparc/cpu/leon3/start.S
@@ -2,9 +2,6 @@
  * Copyright (C) 2007,
  * Daniel Hellstrom, daniel@gaisler.com
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
  * SPDX-License-Identifier:    GPL-2.0+
  */

diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h
index 65e4561..4f68fbd 100644
--- a/arch/sparc/include/asm/winmacro.h
+++ b/arch/sparc/include/asm/winmacro.h
@@ -136,130 +136,3 @@
        ld      [reg + FW_FSR], %fsr;

 #endif
-
-#ifndef __SPARC_WINMACRO_H__
-#define __SPARC_WINMACRO_H__
-
-#include <asm/asmmacro.h>
-#include <asm/stack.h>
-
-/* Store the register window onto the 8-byte aligned area starting
- * at %reg.  It might be %sp, it might not, we don't care.
- */
-#define RW_STORE(reg) \
-       std     %l0, [%reg + RW_L0]; \
-       std     %l2, [%reg + RW_L2]; \
-       std     %l4, [%reg + RW_L4]; \
-       std     %l6, [%reg + RW_L6]; \
-       std     %i0, [%reg + RW_I0]; \
-       std     %i2, [%reg + RW_I2]; \
-       std     %i4, [%reg + RW_I4]; \
-       std     %i6, [%reg + RW_I6];
-
-/* Load a register window from the area beginning at %reg. */
-#define RW_LOAD(reg) \
-       ldd     [%reg + RW_L0], %l0; \
-       ldd     [%reg + RW_L2], %l2; \
-       ldd     [%reg + RW_L4], %l4; \
-       ldd     [%reg + RW_L6], %l6; \
-       ldd     [%reg + RW_I0], %i0; \
-       ldd     [%reg + RW_I2], %i2; \
-       ldd     [%reg + RW_I4], %i4; \
-       ldd     [%reg + RW_I6], %i6;
-
-/* Loading and storing struct pt_reg trap frames. */
-#define PT_LOAD_INS(base_reg) \
-       ldd     [%base_reg + SF_REGS_SZ + PT_I0], %i0; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_I2], %i2; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_I4], %i4; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_I6], %i6;
-
-#define PT_LOAD_GLOBALS(base_reg) \
-       ld      [%base_reg + SF_REGS_SZ + PT_G1], %g1; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_G2], %g2; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_G4], %g4; \
-       ldd     [%base_reg + SF_REGS_SZ + PT_G6], %g6;
-
-#define PT_LOAD_YREG(base_reg, scratch) \
-       ld      [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \
-       wr      %scratch, 0x0, %y;
-
-#define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
-       ld      [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \
-       ld      [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \
-       ld      [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc;
-
-#define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \
-       PT_LOAD_YREG(base_reg, scratch) \
-       PT_LOAD_INS(base_reg) \
-       PT_LOAD_GLOBALS(base_reg) \
-       PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc)
-
-#define PT_STORE_INS(base_reg) \
-       std     %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \
-       std     %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \
-       std     %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \
-       std     %i6, [%base_reg + SF_REGS_SZ + PT_I6];
-
-#define PT_STORE_GLOBALS(base_reg) \
-       st      %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \
-       std     %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \
-       std     %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \
-       std     %g6, [%base_reg + SF_REGS_SZ + PT_G6];
-
-#define PT_STORE_YREG(base_reg, scratch) \
-       rd      %y, %scratch; \
-       st      %scratch, [%base_reg + SF_REGS_SZ + PT_Y];
-
-#define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
-       st      %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \
-       st      %pt_pc,  [%base_reg + SF_REGS_SZ + PT_PC]; \
-       st      %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC];
-
-#define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \
-       PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \
-       PT_STORE_GLOBALS(base_reg) \
-       PT_STORE_YREG(base_reg, g_scratch) \
-       PT_STORE_INS(base_reg)
-
-/* Store the fpu register window*/
-#define FW_STORE(reg) \
-       std     %f0, [reg + FW_F0]; \
-       std     %f2, [reg + FW_F2]; \
-       std     %f4, [reg + FW_F4]; \
-       std     %f6, [reg + FW_F6]; \
-       std     %f8, [reg + FW_F8]; \
-       std     %f10, [reg + FW_F10]; \
-       std     %f12, [reg + FW_F12]; \
-       std     %f14, [reg + FW_F14]; \
-       std     %f16, [reg + FW_F16]; \
-       std     %f18, [reg + FW_F18]; \
-       std     %f20, [reg + FW_F20]; \
-       std     %f22, [reg + FW_F22]; \
-       std     %f24, [reg + FW_F24]; \
-       std     %f26, [reg + FW_F26]; \
-       std     %f28, [reg + FW_F28]; \
-       std     %f30, [reg + FW_F30]; \
-       st      %fsr, [reg + FW_FSR];
-
-/* Load a fpu register window from the area beginning at reg. */
-#define FW_LOAD(reg) \
-       ldd     [reg + FW_F0], %f0; \
-       ldd     [reg + FW_F2], %f2; \
-       ldd     [reg + FW_F4], %f4; \
-       ldd     [reg + FW_F6], %f6; \
-       ldd     [reg + FW_F8], %f8; \
-       ldd     [reg + FW_F10], %f10; \
-       ldd     [reg + FW_F12], %f12; \
-       ldd     [reg + FW_F14], %f14; \
-       ldd     [reg + FW_F16], %f16; \
-       ldd     [reg + FW_F18], %f18; \
-       ldd     [reg + FW_F20], %f20; \
-       ldd     [reg + FW_F22], %f22; \
-       ldd     [reg + FW_F24], %f24; \
-       ldd     [reg + FW_F26], %f26; \
-       ldd     [reg + FW_F28], %f28; \
-       ldd     [reg + FW_F30], %f30; \
-       ld      [reg + FW_FSR], %fsr;
-
-#endif
