diff --git a/src/org/gcube/informationsystem/registry/impl/profilemanagement/GHN.java b/src/org/gcube/informationsystem/registry/impl/profilemanagement/GHN.java
index e80e466..c76191d 100644
--- a/src/org/gcube/informationsystem/registry/impl/profilemanagement/GHN.java
+++ b/src/org/gcube/informationsystem/registry/impl/profilemanagement/GHN.java
@@ -4,12 +4,9 @@ import java.rmi.RemoteException;
 import java.util.List;
 
 import org.gcube.common.core.contexts.GHNContext;
-import org.gcube.common.core.faults.GCUBEFault;
-import org.gcube.common.core.informationsystem.ISException;
 import org.gcube.common.core.informationsystem.client.ISClient;
 import org.gcube.common.core.informationsystem.client.QueryParameter;
 import org.gcube.common.core.informationsystem.client.XMLResult;
-import org.gcube.common.core.informationsystem.client.ISClient.ISMalformedQueryException;
 import org.gcube.common.core.informationsystem.client.queries.GCUBEGenericQuery;
 import org.gcube.common.core.informationsystem.publisher.ISResourcePublisher;
 import org.gcube.common.core.resources.GCUBERunningInstance;