diff --git a/arch/mips/loongson2ef/common/pci.c b/arch/mips/loongson2ef/common/pci.c
index 200916925e95e944d5a8960063d8c95932d0df1f..7d9ea51e8c01ec200bedfcc5a87036399b043022 100644
--- a/arch/mips/loongson2ef/common/pci.c
+++ b/arch/mips/loongson2ef/common/pci.c
@@ -73,8 +73,6 @@ static void __init setup_pcimap(void)
 #endif
 }
 
-extern int sbx00_acpi_init(void);
-
 static int __init pcibios_init(void)
 {
 	setup_pcimap();