diff --git a/drivers/power/supply/rk818_battery.c b/drivers/power/supply/rk818_battery.c
index b62d59a4b228..ac8369f09d3e 100644
--- a/drivers/power/supply/rk818_battery.c
+++ b/drivers/power/supply/rk818_battery.c
@@ -3400,7 +3400,7 @@ static int rk818_battery_resume(struct platform_device *dev)
 {
 	struct rk818_battery *di = platform_get_drvdata(dev);
 	int interval_sec, time_step, pwroff_vol;
-	u8 val, st;
+	u8 st;
 
 	di->s2r = true;
 	di->current_avg = rk818_bat_get_avg_current(di);
diff --git a/drivers/power/supply/rk818_charger.c b/drivers/power/supply/rk818_charger.c
index cdef0dcd1f8c..a081fdfee31d 100644
--- a/drivers/power/supply/rk818_charger.c
+++ b/drivers/power/supply/rk818_charger.c
@@ -538,7 +538,6 @@ static int rk818_charger_set_property(struct power_supply *psy,
 				      const union power_supply_propval *val)
 {
 	struct rk818_charger *cg = power_supply_get_drvdata(psy);
-	int ret;
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR: