diff --git a/drivers/staging/rtl8712/osdep_service.h b/drivers/staging/rtl8712/osdep_service.h
index 37ec56b08577..9316eabb49b3 100644
--- a/drivers/staging/rtl8712/osdep_service.h
+++ b/drivers/staging/rtl8712/osdep_service.h
@@ -184,11 +184,6 @@ static inline void flush_signals_thread(void)
 		flush_signals(current);
 }
 
-static inline u32 _RND256(u32 sz)
-{
-	return ((sz >> 8) + ((sz & 255) ? 1 : 0)) << 8;
-}
-
 static inline u32 _RND512(u32 sz)
 {
 	return ((sz >> 9) + ((sz & 511) ? 1 : 0)) << 9;