diff --git a/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java b/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
index a8cbb16..f0daa71 100644
--- a/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
+++ b/src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java
@@ -1107,27 +1107,7 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 		}
 		return true;	
 	}
-	/**
-	 * {@inheritDoc}
-	 */
-	@Override
-	public List<Notification> getUnreadNotificationMessagesByUser(String userid) throws NotificationTypeNotFoundException,	ColumnNameNotFoundException, NotificationIDNotFoundException {
-		ArrayList<Notification> toReturn = new ArrayList<Notification>();
-		ArrayList<String> notificationsIDs = getUnreadUserNotificationsIds(userid);
 
-		//need them in reverse order		
-		for (int i = notificationsIDs.size()-1; i >= 0; i--) {
-			try{
-				Notification not = readNotification(notificationsIDs.get(i));
-				if(not.getType().equals(NotificationType.MESSAGE))
-					toReturn.add(not);
-			}catch(Exception e){
-				_log.error("Unable to read notification message with key " + notificationsIDs.get(i));
-			}
-		}
-
-		return toReturn;	
-	}
 	/**
 	 * {@inheritDoc}
 	 */
diff --git a/src/main/java/org/gcube/portal/databook/server/DatabookStore.java b/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
index 485a4e9..482b50b 100644
--- a/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
+++ b/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
@@ -236,14 +236,6 @@ public interface DatabookStore {
 	 * @throws ColumnNameNotFoundException 
 	 */
 	List<Notification> getUnreadNotificationsByUser(String userid)  throws NotificationTypeNotFoundException,	ColumnNameNotFoundException, NotificationIDNotFoundException;
-	/**
-	 * return the not yet read notification messages
-	 * @param userid user identifier
-	 * @return  a <class>List</class> of not yet read notifications for this user
-	 * @throws NotificationTypeNotFoundException 
-	 * @throws ColumnNameNotFoundException 
-	 */
-	List<Notification> getUnreadNotificationMessagesByUser(String userid)  throws NotificationTypeNotFoundException,	ColumnNameNotFoundException, NotificationIDNotFoundException;
 
 	/**
 	 *