1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_dev.h b/sys/dev/usb/usb_dev.h
index aa9197f..3c75701 100644
--- a/sys/dev/usb/usb_dev.h
+++ b/sys/dev/usb/usb_dev.h
@@ -27,11 +27,13 @@
 #ifndef _USB_DEV_H_
 #define	_USB_DEV_H_
 
+#ifndef USB_GLOBAL_INCLUDE_FILE
 #include <sys/file.h>
 #include <sys/selinfo.h>
 #include <sys/poll.h>
 #include <sys/signalvar.h>
 #include <sys/proc.h>
+#endif
 
 struct usb_fifo;
 struct usb_mbuf;