diff --git a/battery2mqtt.py b/battery2mqtt.py
index 3e14856..a774fff 100644
--- a/battery2mqtt.py
+++ b/battery2mqtt.py
@@ -81,8 +81,7 @@ while True:
     try:
         client.connect(MQTT_HOST)
         client.publish("battery2mqtt/" + MQTT_TOPIC + '/' + dir, json.dumps(payload), qos=MQTT_QOS, retain=False)
-        last_payload = payload
     except:
         print('Message send failed.')
 
-    sleep(INTERVAL)
\ No newline at end of file
+    sleep(INTERVAL)