diff --git a/pom.xml b/pom.xml
index cecbcad..4a12f42 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,12 +116,6 @@
 			<artifactId>common-encryption</artifactId>
 		</dependency>
 
-		<dependency>
-			<groupId>org.gcube.dvos</groupId>
-			<artifactId>usermanagement-core</artifactId>
-			<scope>provided</scope>
-		</dependency>
-
 		<dependency>
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>gcube-widgets</artifactId>
diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/util/PortalContextInfo.java b/src/main/java/org/gcube/portlets/user/workspace/server/util/PortalContextInfo.java
index bd3c054..359cc59 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/util/PortalContextInfo.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/util/PortalContextInfo.java
@@ -28,6 +28,13 @@ public class PortalContextInfo implements Serializable{
 	private long currGroupId;
 
 
+	/**
+	 *
+	 */
+	public PortalContextInfo() {
+	}
+
+
 	/**
 	 * Instantiates a new portal context info.
 	 *
@@ -52,8 +59,6 @@ public class PortalContextInfo implements Serializable{
 
 	}
 
-
-
 	/**
 	 * @return the username
 	 */
@@ -62,8 +67,6 @@ public class PortalContextInfo implements Serializable{
 		return username;
 	}
 
-
-
 	/**
 	 * @return the userFullName
 	 */
diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/util/WsUtil.java b/src/main/java/org/gcube/portlets/user/workspace/server/util/WsUtil.java
index d59305b..f90b8fc 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/util/WsUtil.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/util/WsUtil.java
@@ -144,8 +144,6 @@ public class WsUtil {
 
 		Workspace workspace = HomeLibrary.getUserWorkspace(info.getUsername());
 		return workspace;
-
-
 	}
 
 
@@ -244,10 +242,7 @@ public class WsUtil {
 			notifProducer = new NotificationsProducer(httpServletRequest);
 			session.setAttribute(NOTIFICATION_PRODUCER, notifProducer);
 		}
-
 		return notifProducer;
-
-		//return new NotificationsProducer(session, request);
 	}
 
 
@@ -263,8 +258,6 @@ public class WsUtil {
 		return info.getUsername();
 	}
 
-
-
 	/**
 	 * Checks if is vre.
 	 *
@@ -285,7 +278,6 @@ public class WsUtil {
 
 	}
 
-
 	/**
 	 * Gets the scope util filter.
 	 *