diff --git a/drivers/staging/hv/include/osd.h b/drivers/staging/hv/include/osd.h
index 39173903778a..d1c8a42ffd47 100644
--- a/drivers/staging/hv/include/osd.h
+++ b/drivers/staging/hv/include/osd.h
@@ -101,8 +101,6 @@ typedef struct _DLIST_ENTRY {
 typedef unsigned char		BOOL;
 typedef unsigned char		BOOLEAN;
 typedef void*				HANDLE;
-typedef u32				DWORD;
-typedef unsigned char		BYTE;
 
 typedef struct {
 	unsigned char	Data[16];