diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
index d6ddd7b..8ab8508 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
@@ -5,6 +5,7 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
@@ -81,7 +82,6 @@ import org.gcube.portlets.user.workspace.server.util.AllScope;
 import org.gcube.portlets.user.workspace.server.util.UserUtil;
 import org.gcube.portlets.user.workspace.server.util.Util;
 
-import com.google.gwt.dev.util.collect.HashMap;
 
 /**
  * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it