diff --git a/src/main/java/org/gcube/portlets/widgets/workspacesharingwidget/server/notifications/NotificationsProducer.java b/src/main/java/org/gcube/portlets/widgets/workspacesharingwidget/server/notifications/NotificationsProducer.java
index 8b6bfbc..2814890 100644
--- a/src/main/java/org/gcube/portlets/widgets/workspacesharingwidget/server/notifications/NotificationsProducer.java
+++ b/src/main/java/org/gcube/portlets/widgets/workspacesharingwidget/server/notifications/NotificationsProducer.java
@@ -3,23 +3,19 @@
  */
 package org.gcube.portlets.widgets.workspacesharingwidget.server.notifications;
 
-import java.util.ArrayList;
 import java.util.List;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.gcube.application.framework.core.session.ASLSession;
 import org.gcube.application.framework.core.session.SessionManager;
 import org.gcube.applicationsupportlayer.social.NotificationsManager;
-import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
 import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
 import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
 import org.gcube.common.homelibrary.home.workspace.WorkspaceSharedFolder;
 import org.gcube.common.scope.impl.ScopeBean;
-import org.gcube.portlets.widgets.workspacesharingwidget.server.util.DiffereceBeetweenInfoContactModel;
-import org.gcube.portlets.widgets.workspacesharingwidget.server.util.UserUtil;
 import org.gcube.portlets.widgets.workspacesharingwidget.server.util.WsUtil;
 import org.gcube.portlets.widgets.workspacesharingwidget.shared.InfoContactModel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * 
@@ -110,7 +106,7 @@ public class NotificationsProducer {
 	 * @param sharedFolder
 	 */
 	public void notifyFolderRenamed(final List<InfoContactModel> listSharedContact, final WorkspaceItem folderItem, final String itemOldName, final String itemNewName, final String idsharedFolder) {
-
+		/*
 		new Thread(){
 			@Override
 			public void run() {
@@ -154,8 +150,7 @@ public class NotificationsProducer {
 				logger.info("notifies share folder was renamed is completed");
 			}
 		}.start();
-		
-		
+		*/
 	}
 	
 	
@@ -210,7 +205,7 @@ public class NotificationsProducer {
 	 * @param sharedFolder - the shared folder
 	 */
 	public void notifyAddedUsersToSharing(final List<InfoContactModel> listSharedContact, final List<InfoContactModel> listSharingContact, final WorkspaceSharedFolder sharedFolder) {
-
+		/*
 		new Thread() {
 			  @Override
 			  public void run() {
@@ -291,7 +286,7 @@ public class NotificationsProducer {
 				}
 
 		}.start();
-	
+	*/
 	}