diff --git a/drivers/staging/rtl8723au/os_dep/osdep_service.c b/drivers/staging/rtl8723au/os_dep/osdep_service.c
index b89e779fa045..4a937a7f1d11 100644
--- a/drivers/staging/rtl8723au/os_dep/osdep_service.c
+++ b/drivers/staging/rtl8723au/os_dep/osdep_service.c
@@ -21,8 +21,6 @@
 #include <recv_osdep.h>
 #include <linux/vmalloc.h>
 
-#define RT_TAG	('1178')
-
 /*
 * Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE23a
 * @return: one of RTW_STATUS_CODE23a