diff --git a/src/main/java/org/gcube/portlets/admin/vredefinition/server/VREDefinitionServiceImpl.java b/src/main/java/org/gcube/portlets/admin/vredefinition/server/VREDefinitionServiceImpl.java
index 7caeebe..46b55c8 100644
--- a/src/main/java/org/gcube/portlets/admin/vredefinition/server/VREDefinitionServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/admin/vredefinition/server/VREDefinitionServiceImpl.java
@@ -18,10 +18,7 @@ import org.gcube.application.framework.vremanagement.vremanagement.impl.VREGener
 import org.gcube.applicationsupportlayer.social.ApplicationNotificationsManager;
 import org.gcube.applicationsupportlayer.social.NotificationsManager;
 import org.gcube.common.homelibrary.home.HomeLibrary;
-import org.gcube.common.homelibrary.home.exceptions.HomeNotFoundException;
-import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
 import org.gcube.common.homelibrary.home.workspace.Workspace;
-import org.gcube.common.homelibrary.home.workspace.exceptions.WorkspaceFolderNotFoundException;
 import org.gcube.portal.custom.scopemanager.scopehelper.ScopeHelper;
 import org.gcube.portlets.admin.vredefinition.client.VREDefinitionService;
 import org.gcube.portlets.admin.vredefinition.client.model.VREFunctionalityModel;