diff --git a/arch/x86/kernel/acpi/sleep_64.c b/arch/x86/kernel/acpi/sleep_64.c
index 79475d237071..da42de261ba8 100644
--- a/arch/x86/kernel/acpi/sleep_64.c
+++ b/arch/x86/kernel/acpi/sleep_64.c
@@ -115,6 +115,3 @@ static int __init acpi_sleep_setup(char *str)
 
 __setup("acpi_sleep=", acpi_sleep_setup);
 
-void acpi_pci_link_exit(void)
-{
-}