diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreService.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreService.java
index 6022be49bc6bab378702bb37ea4f34aed514dcd1..cfde5c35271bb9087b28a8383e3fba4cddcd9300 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreService.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/DataStoreService.java
@@ -28,7 +28,6 @@ import ch.systemsx.cisd.cifex.rpc.client.RPCServiceFactory;
 import ch.systemsx.cisd.cifex.shared.basic.Constants;
 import ch.systemsx.cisd.common.exceptions.InvalidAuthenticationException;
 import ch.systemsx.cisd.common.exceptions.InvalidSessionException;
-import ch.systemsx.cisd.common.exceptions.UserFailureException;
 import ch.systemsx.cisd.common.exceptions.WrappedIOException;
 import ch.systemsx.cisd.common.spring.AbstractServiceWithLogger;
 import ch.systemsx.cisd.openbis.generic.shared.IDataStoreService;