diff --git a/broker/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java b/broker/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
index 681c7044..8025246c 100644
--- a/broker/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
+++ b/broker/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
@@ -12,7 +12,6 @@ import org.dna.mqtt.moquette.messaging.spi.impl.events.*;
 import org.dna.mqtt.moquette.messaging.spi.impl.subscriptions.SubscriptionsStore;
 import org.dna.mqtt.moquette.proto.messages.PubCompMessage;
 import org.dna.mqtt.moquette.proto.messages.*;
-import org.dna.mqtt.moquette.proto.messages.AbstractMessage.QOSType;
 import org.dna.mqtt.moquette.server.Constants;
 import org.dna.mqtt.moquette.server.ServerChannel;
 import org.slf4j.Logger;