diff --git a/parser/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java b/parser/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
index ff988b01..170e1045 100644
--- a/parser/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
+++ b/parser/src/main/java/org/dna/mqtt/moquette/messaging/spi/impl/SimpleMessaging.java
@@ -1,7 +1,5 @@
 package org.dna.mqtt.moquette.messaging.spi.impl;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import org.dna.mqtt.moquette.messaging.spi.IMessaging;