diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/DimensionRowSelectionDialog.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/DimensionRowSelectionDialog.java
index 5ee5445..b6555c4 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/DimensionRowSelectionDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/DimensionRowSelectionDialog.java
@@ -2,10 +2,10 @@ package org.gcube.portlets.user.td.columnwidget.client.dimension;
 
 import java.util.ArrayList;
 
-import org.gcube.portlets.user.td.columnwidget.client.utils.Constants;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.DimensionRow;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.CellData;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.Constants;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
 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/columnwidget/client/utils/Constants.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/utils/Constants.java
deleted file mode 100644
index 5cf1d94..0000000
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/utils/Constants.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.gcube.portlets.user.td.columnwidget.client.utils;
-
-public class Constants {
-	
-	public static final String TDX_DATASOURCE_FACTORY_ID = "TDXDataSourceFactory";
-
-}