diff --git a/arch/x86/lib/crt0_x86_64_efi.S b/arch/x86/lib/crt0_x86_64_efi.S
index bb8d3cf..47ed5af 100644
--- a/arch/x86/lib/crt0_x86_64_efi.S
+++ b/arch/x86/lib/crt0_x86_64_efi.S
@@ -18,9 +18,6 @@ _start:
 	pushq %rcx
 	pushq %rdx
 
-	mov %rcx, %r8
-	mov %rdx, %r9
-
 	lea image_base(%rip), %rcx
 	lea _DYNAMIC(%rip), %rdx
 
diff --git a/arch/x86/lib/reloc_ia32_efi.c b/arch/x86/lib/reloc_ia32_efi.c
index e838af3..a262533 100644
--- a/arch/x86/lib/reloc_ia32_efi.c
+++ b/arch/x86/lib/reloc_ia32_efi.c
@@ -12,8 +12,7 @@
 #include <elf.h>
 #include <asm/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;
diff --git a/arch/x86/lib/reloc_x86_64_efi.c b/arch/x86/lib/reloc_x86_64_efi.c
index 34c5b2e..59d6f8d 100644
--- a/arch/x86/lib/reloc_x86_64_efi.c
+++ b/arch/x86/lib/reloc_x86_64_efi.c
@@ -14,8 +14,7 @@
 #include <elf.h>
 #include <asm/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_Rel *rel = 0;