diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index 82def452b335..cd73fa294a56 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -87,10 +87,5 @@ bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf);
 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf);
 struct rtw_cbuf *rtw_cbuf_alloc(u32 size);
 
-/*  String handler */
-/*
- * Write formatted output to sized buffer
- */
-#define rtw_sprintf(buf, size, format, arg...)	snprintf(buf, size, format, ##arg)
 
 #endif