diff --git a/pom.xml b/pom.xml
index f7b7328..033c460 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,12 +98,7 @@
 			<scope>test</scope>
 		</dependency>
 
-		<dependency>
-			<groupId>com.sencha.gxt</groupId>
-			<artifactId>gxt</artifactId>
-			<version>3.0.1</version>
-			<scope>provided</scope>
-		</dependency>
+		
 
 
 
diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/event/TasksMonitorEvent.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/event/TasksMonitorEvent.java
index d059fa2..a605a5a 100644
--- a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/event/TasksMonitorEvent.java
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/event/TasksMonitorEvent.java
@@ -4,6 +4,7 @@ import org.gcube.portlets.user.td.widgetcommonevent.client.type.TaskType;
 
 import com.google.gwt.event.shared.EventHandler;
 import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HandlerRegistration;
 import com.google.gwt.event.shared.HasHandlers;
 
 
@@ -23,6 +24,10 @@ public class TasksMonitorEvent extends GwtEvent<TasksMonitorEvent.TasksMonitorEv
 		void onTaskMonitorEvent(TasksMonitorEvent event);
 	}
 	
+	public interface HasTasksMonitorEventHandler extends HasHandlers{
+		public HandlerRegistration addTasksMonitorEventHandler(TasksMonitorEventHandler handler);
+	}
+	
 	public static void fire(HasHandlers source, TaskType taskType, String tableId) {
 		source.fireEvent(new TasksMonitorEvent(taskType,tableId));
 	}
diff --git a/src/main/resources/org/gcube/portlets/user/td/widgetcommonevent/WidgetCommonEvent.gwt.xml b/src/main/resources/org/gcube/portlets/user/td/widgetcommonevent/WidgetCommonEvent.gwt.xml
index bf444f7..5cc4c81 100644
--- a/src/main/resources/org/gcube/portlets/user/td/widgetcommonevent/WidgetCommonEvent.gwt.xml
+++ b/src/main/resources/org/gcube/portlets/user/td/widgetcommonevent/WidgetCommonEvent.gwt.xml
@@ -15,7 +15,7 @@
   <!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/>     -->
 
   <!-- Other module inherits                                      -->
-  <inherits name='com.sencha.gxt.ui.GXT' />
+  <!--<inherits name='com.sencha.gxt.ui.GXT' /> -->
   <inherits name="com.allen_sauer.gwt.log.gwt-log-TRACE" />
   <!-- Specify the app entry point class.                         -->  
   <!--   <entry-point class='org.gcube.portlets.user.td.widgetcommonevent.client.WidgetCommonEventEntry' /> -->