diff --git a/arch/arm/lib/crt0_aarch64_efi.S b/arch/arm/lib/crt0_aarch64_efi.S
index 5b6c384..0db4360 100644
--- a/arch/arm/lib/crt0_aarch64_efi.S
+++ b/arch/arm/lib/crt0_aarch64_efi.S
@@ -122,8 +122,6 @@ _start:
 	mov		x29, sp
 
 	stp		x0, x1, [sp, #16]
-	mov		x2, x0
-	mov		x3, x1
 	adr		x0, ImageBase
 	adrp		x1, _DYNAMIC
 	add		x1, x1, #:lo12:_DYNAMIC
diff --git a/arch/arm/lib/crt0_arm_efi.S b/arch/arm/lib/crt0_arm_efi.S
index 0f296f3..23db49f 100644
--- a/arch/arm/lib/crt0_arm_efi.S
+++ b/arch/arm/lib/crt0_arm_efi.S
@@ -119,8 +119,6 @@ section_table:
 _start:
 	stmfd		sp!, {r0-r2, lr}
 
-	mov		r2, r0
-	mov		r3, r1
 	adr		r1, .L_DYNAMIC
 	ldr		r0, [r1]
 	add		r1, r0, r1
diff --git a/arch/arm/lib/reloc_aarch64_efi.c b/arch/arm/lib/reloc_aarch64_efi.c
index 38c13d3..1aa57db 100644
--- a/arch/arm/lib/reloc_aarch64_efi.c
+++ b/arch/arm/lib/reloc_aarch64_efi.c
@@ -38,8 +38,7 @@
 
 #include <elf.h>
 
-efi_status_t _relocate(long ldbase, Elf64_Dyn *dyn, efi_handle_t image,
-		       struct efi_system_table *systab)
+efi_status_t EFIAPI _relocate(long ldbase, Elf64_Dyn *dyn)
 {
 	long relsz = 0, relent = 0;
 	Elf64_Rela *rel = 0;
diff --git a/arch/arm/lib/reloc_arm_efi.c b/arch/arm/lib/reloc_arm_efi.c
index 6232e3f..9103c03 100644
--- a/arch/arm/lib/reloc_arm_efi.c
+++ b/arch/arm/lib/reloc_arm_efi.c
@@ -14,8 +14,7 @@
 #include <efi.h>
 #include <elf.h>
 
-efi_status_t _relocate(long ldbase, Elf32_Dyn *dyn, efi_handle_t image,
-		       struct efi_system_table *systab)
+efi_status_t EFIAPI _relocate(long ldbase, Elf32_Dyn *dyn)
 {
 	long relsz = 0, relent = 0;
 	Elf32_Rel *rel = 0;