diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c
index 48f77c6cf43c..d0586af1abad 100644
--- a/drivers/staging/r8188eu/core/rtw_security.c
+++ b/drivers/staging/r8188eu/core/rtw_security.c
@@ -10,8 +10,6 @@
 
 /* WEP related ===== */
 
-#define CRC32_POLY 0x04c11db7
-
 struct arc4context {
 	u32 x;
 	u32 y;