diff --git a/src/main/java/org/gcube/data/access/storagehub/services/ItemsCreator.java b/src/main/java/org/gcube/data/access/storagehub/services/ItemsCreator.java
index 3fe1f4d..1134a44 100644
--- a/src/main/java/org/gcube/data/access/storagehub/services/ItemsCreator.java
+++ b/src/main/java/org/gcube/data/access/storagehub/services/ItemsCreator.java
@@ -3,7 +3,6 @@ package org.gcube.data.access.storagehub.services;
 import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Set;
@@ -40,7 +39,6 @@ import org.apache.tika.metadata.Metadata;
 import org.gcube.common.authorization.library.AuthorizedTasks;
 import org.gcube.common.authorization.library.provider.AuthorizationProvider;
 import org.gcube.common.gxrest.response.outbound.GXOutboundErrorResponse;
-import org.gcube.common.storagehub.model.Excludes;
 import org.gcube.common.storagehub.model.NodeConstants;
 import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
 import org.gcube.common.storagehub.model.exceptions.IdNotFoundException;
@@ -51,7 +49,6 @@ import org.gcube.common.storagehub.model.exceptions.UserNotAuthorizedException;
 import org.gcube.common.storagehub.model.items.AbstractFileItem;
 import org.gcube.common.storagehub.model.items.FolderItem;
 import org.gcube.common.storagehub.model.items.GCubeItem;
-import org.gcube.common.storagehub.model.items.Item;
 import org.gcube.common.storagehub.model.types.ItemAction;
 import org.gcube.contentmanagement.blobstorage.service.IClient;
 import org.gcube.data.access.storagehub.AuthorizationChecker;