diff --git a/drivers/rtc/rtc-HYM8563.c b/drivers/rtc/rtc-HYM8563.c
index c20f4b867bfe..056bd3e050d5 100755
--- a/drivers/rtc/rtc-HYM8563.c
+++ b/drivers/rtc/rtc-HYM8563.c
@@ -227,7 +227,6 @@ static int hym8563_read_datetime(struct i2c_client *client, struct rtc_time *tm)
 	else
 		tm->tm_year += 2000;
 		
-	tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);	
 	tm->tm_year -= 1900;			//inorder to cooperate the systerm time	
 	if(tm->tm_year < 0)
 		tm->tm_year = 0;