diff --git a/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/tdx/TDXGridPanel.java b/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/tdx/TDXGridPanel.java
index 3982805..7f29688 100644
--- a/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/tdx/TDXGridPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/tdx/TDXGridPanel.java
@@ -2,7 +2,7 @@ package org.gcube.portlets.user.td.mainboxwidget.client.tdx;
 
 import org.gcube.portlets.user.td.mainboxwidget.client.grid.GridContextMenu;
 import org.gcube.portlets.user.td.mainboxwidget.client.grid.GridHeaderColumnMenu;
-import org.gcube.portlets.user.td.mainboxwidget.client.utils.Constants;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.Constants;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.dataview.TabularResourceDataView;
 import org.gcube.portlets.user.tdwx.client.TabularDataX;
 import org.gcube.portlets.user.tdwx.client.TabularDataXGridPanel;
diff --git a/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/utils/Constants.java b/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/utils/Constants.java
deleted file mode 100644
index 2223e8c..0000000
--- a/src/main/java/org/gcube/portlets/user/td/mainboxwidget/client/utils/Constants.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.gcube.portlets.user.td.mainboxwidget.client.utils;
-
-/**
- * 
- * @author giancarlo
- * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
- */
-public class Constants {
-	
-	public static final String TDX_DATASOURCE_FACTORY_ID = "TDXDataSourceFactory";
-
-}