diff --git a/devicemodel/hw/platform/usb_mouse.c b/devicemodel/hw/platform/usb_mouse.c
index 1b9220c82..1081b5c7d 100644
--- a/devicemodel/hw/platform/usb_mouse.c
+++ b/devicemodel/hw/platform/usb_mouse.c
@@ -310,8 +310,6 @@ umouse_init(void *pdata, char *opt)
 	return dev;
 }
 
-#define	UREQ(x, y)	((x) | ((y) << 8))
-
 static int
 umouse_request(void *scarg, struct usb_data_xfer *xfer)
 {
diff --git a/devicemodel/include/usb.h b/devicemodel/include/usb.h
index b789e38ab..950afc088 100644
--- a/devicemodel/include/usb.h
+++ b/devicemodel/include/usb.h
@@ -107,6 +107,7 @@
 
 #define	USB_BUS_RESET_DELAY	100	/* ms */
 
+#define	UREQ(x, y)	((x) | ((y) << 8))
 /*
  * USB record layout in memory:
  *