diff --git a/drivers/staging/rtl8192u/r819xU_phy.h b/drivers/staging/rtl8192u/r819xU_phy.h
index 1ad459cf05ae..8ca869e8ee2f 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.h
+++ b/drivers/staging/rtl8192u/r819xU_phy.h
@@ -41,14 +41,6 @@ enum rf90_radio_path_e {
 	RF90_PATH_MAX				/* Max RF number 92 support */
 };
 
-#define bMaskByte0                0xff
-#define bMaskByte1                0xff00
-#define bMaskByte2                0xff0000
-#define bMaskByte3                0xff000000
-#define bMaskHWord                0xffff0000
-#define bMaskLWord                0x0000ffff
-#define bMaskDWord                0xffffffff
-
 u8 rtl8192_phy_CheckIsLegalRFPath(struct net_device *dev, u32 eRFPath);
 void rtl8192_setBBreg(struct net_device *dev, u32 reg_addr,
 		      u32 bitmask, u32 data);