diff --git a/src/main/java/org/gcube/gcat/api/interfaces/Item.java b/src/main/java/org/gcube/gcat/api/interfaces/Item.java
index 576e9a4..f44870e 100644
--- a/src/main/java/org/gcube/gcat/api/interfaces/Item.java
+++ b/src/main/java/org/gcube/gcat/api/interfaces/Item.java
@@ -1,7 +1,5 @@
 package org.gcube.gcat.api.interfaces;
 
-import java.util.Map;
-
 import javax.xml.ws.WebServiceException;
 
 /**
@@ -11,10 +9,6 @@ public interface Item<C,D> extends CRUD<C,D> {
 	
 	public static final String ITEMS = "items";
 	
-	public int count() throws WebServiceException;
-	
-	public String list(Map<String,String> parameters) throws WebServiceException;
-	
 	public String list(int limit, int offset) throws WebServiceException;
 	
 	public String patch(String name, String json) throws WebServiceException;
@@ -22,4 +16,8 @@ public interface Item<C,D> extends CRUD<C,D> {
 	public D delete(String name, boolean purge) throws WebServiceException;
 	
 	public D purge(String name) throws WebServiceException;
+	
+	public D bulkDelete(boolean purge) throws WebServiceException;
+	
+	public D bulkPurge() throws WebServiceException;
 }