diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index c15d8ae68c96..6aa51723b92b 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -110,6 +110,7 @@ void *memset(void *addr, int c, size_t len)
 	return __memset(addr, c, len);
 }
 
+#ifdef __HAVE_ARCH_MEMMOVE
 #undef memmove
 void *memmove(void *dest, const void *src, size_t len)
 {
@@ -118,6 +119,7 @@ void *memmove(void *dest, const void *src, size_t len)
 
 	return __memmove(dest, src, len);
 }
+#endif
 
 #undef memcpy
 void *memcpy(void *dest, const void *src, size_t len)