diff --git a/src/de/hottis/MeasurementCollector/DatabaseEngine.java b/src/de/hottis/MeasurementCollector/DatabaseEngine.java
index 267783e..de1c630 100644
--- a/src/de/hottis/MeasurementCollector/DatabaseEngine.java
+++ b/src/de/hottis/MeasurementCollector/DatabaseEngine.java
@@ -76,5 +76,6 @@ public class DatabaseEngine extends Thread implements ITriggerable {
 				logger.error("Exception in outer database engine loop", e);
 			}
 		}
+		logger.info("Database engine is terminating");
 	}
 }
diff --git a/src/de/hottis/MeasurementCollector/MqttReceiver.java b/src/de/hottis/MeasurementCollector/MqttReceiver.java
index 635eac3..1bc09f4 100644
--- a/src/de/hottis/MeasurementCollector/MqttReceiver.java
+++ b/src/de/hottis/MeasurementCollector/MqttReceiver.java
@@ -4,8 +4,6 @@ import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Properties;
 
-import javax.management.RuntimeErrorException;
-
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;