diff --git a/sys/arm64/include/bus.h b/sys/arm64/include/bus.h
--- a/sys/arm64/include/bus.h
+++ b/sys/arm64/include/bus.h
@@ -92,10 +92,6 @@
 #define	BUS_SPACE_BARRIER_READ	0x01
 #define	BUS_SPACE_BARRIER_WRITE	0x02
 
-#if defined(SAN_NEEDS_INTERCEPTORS) && !defined(SAN_RUNTIME)
-#include <sys/bus_san.h>
-#else
-
 struct bus_space {
 	/* cookie */
 	void		*bs_cookie;
@@ -282,6 +278,10 @@
 			   bus_size_t, uint64_t);
 };
 
+#if defined(SAN_NEEDS_INTERCEPTORS) && !defined(SAN_RUNTIME)
+#include <sys/bus_san.h>
+#else
+
 /*
  * Utility macros; INTERNAL USE ONLY.
  */