Index: /trunk/src/VBox/HostDrivers/VBoxUSB/darwin/Makefile.kmk
===================================================================
--- /trunk/src/VBox/HostDrivers/VBoxUSB/darwin/Makefile.kmk	(revision 87258)
+++ /trunk/src/VBox/HostDrivers/VBoxUSB/darwin/Makefile.kmk	(revision 87259)
@@ -27,5 +27,5 @@
 SUB_DEPTH = ../../../../..
 include $(KBUILD_PATH)/subheader.kmk
-
+ifn1of ($(KBUILD_TARGET_ARCH), arm64)
 
 #
@@ -90,4 +90,5 @@
 endif
 
+endif # ! arm64
 include $(FILE_KBUILD_SUB_FOOTER)