diff --git a/src/main/java/org/gcube/datatransfer/resolver/services/CatalogueResolver.java b/src/main/java/org/gcube/datatransfer/resolver/services/CatalogueResolver.java
index 41ea728..fb1a8e2 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/services/CatalogueResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/services/CatalogueResolver.java
@@ -2,7 +2,6 @@ package org.gcube.datatransfer.resolver.services;
 
 import java.net.URI;
 import java.net.URL;
-import java.net.URLEncoder;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ExecutionException;