#include "usbutil.h"\r
\r
\r
-GLOBAL_REMOVE_IF_UNREFERENCED extern UINTN gUSBDebugLevel;\r
-GLOBAL_REMOVE_IF_UNREFERENCED extern UINTN gUSBErrorLevel;\r
+extern UINTN gUSBDebugLevel;\r
+extern UINTN gUSBErrorLevel;\r
\r
\r
#define MICROSECOND 10000\r