diff --git a/arch/arm64/mm/mm.h b/arch/arm64/mm/mm.h
index d519f4f50c8c6f5431281ee5e15346e860e9f741..50c3351df9c7ea8b1cd6dc6901bdbad6c04b9c4a 100644
--- a/arch/arm64/mm/mm.h
+++ b/arch/arm64/mm/mm.h
@@ -1,2 +1 @@
 extern void __init bootmem_init(void);
-extern void __init arm64_swiotlb_init(void);