diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
index d0e1d2c..ba0f7ed 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
@@ -8,11 +8,11 @@ import org.gcube.portlets.user.td.columnwidget.client.dimension.CodelistSelectio
 import org.gcube.portlets.user.td.columnwidget.client.mapping.ColumnMappingDialog;
 import org.gcube.portlets.user.td.columnwidget.client.mapping.ColumnMappingListProperties;
 import org.gcube.portlets.user.td.columnwidget.client.mapping.ColumnMappingListener;
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.columnwidget.client.properties.PeriodDataTypeProperties;
 import org.gcube.portlets.user.td.columnwidget.client.properties.ValueDataFormatProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataTypeProperties;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnTypeCodeProperties;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.LocaleTypeProperties;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/DeleteColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/DeleteColumnPanel.java
index 49eb07f..0a9fa73 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/DeleteColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/DeleteColumnPanel.java
@@ -3,9 +3,9 @@ package org.gcube.portlets.user.td.columnwidget.client;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataProperties;
 import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsFinalException;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsLockedException;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
index 73015eb..41e52df 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
@@ -3,9 +3,9 @@ package org.gcube.portlets.user.td.columnwidget.client;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataProperties;
 import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsFinalException;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsLockedException;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
index 8579a2e..dd79a1d 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
@@ -8,12 +8,12 @@ import org.gcube.portlets.user.td.columnwidget.client.dimension.ConnectCodelistD
 import org.gcube.portlets.user.td.columnwidget.client.dimension.ConnectCodelistListener;
 import org.gcube.portlets.user.td.columnwidget.client.dimension.DimensionRowSelectionDialog;
 import org.gcube.portlets.user.td.columnwidget.client.dimension.DimensionRowSelectionListener;
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.columnwidget.client.properties.ShowOccurrencesTypeProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.store.ShowOccurrencesTypeElement;
 import org.gcube.portlets.user.td.columnwidget.client.store.ShowOccurrencesTypeStore;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsFinalException;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsLockedException;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
index 325a9ce..5d8953f 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
@@ -4,13 +4,13 @@ import java.util.ArrayList;
 
 import org.gcube.portlets.user.td.columnwidget.client.dimension.CodelistSelectionDialog;
 import org.gcube.portlets.user.td.columnwidget.client.dimension.CodelistSelectionListener;
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.columnwidget.client.properties.PeriodDataTypeProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
 import org.gcube.portlets.user.td.expressionwidget.client.ReplaceExpressionDialog;
 import org.gcube.portlets.user.td.expressionwidget.client.notification.ExpressionWrapperNotification;
 import org.gcube.portlets.user.td.expressionwidget.client.notification.ExpressionWrapperNotification.ExpressionWrapperNotificationListener;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataTypeProperties;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnTypeCodeProperties;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.LocaleTypeProperties;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/ConnectCodelistDialog.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/ConnectCodelistDialog.java
index 65b7469..469eb6f 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/ConnectCodelistDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/ConnectCodelistDialog.java
@@ -2,9 +2,9 @@ package org.gcube.portlets.user.td.columnwidget.client.dimension;
 
 import java.util.ArrayList;
 
-import org.gcube.portlets.user.td.columnwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
 import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.expressionwidget.client.properties.ColumnDataPropertiesCombo;
 import org.gcube.portlets.user.td.expressionwidget.client.properties.TabResourceProperties;
 import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTIsFinalException;
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataProperties.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataProperties.java
deleted file mode 100644
index 6f78216..0000000
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataProperties.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package org.gcube.portlets.user.td.columnwidget.client.properties;
-
-import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
-
-import com.google.gwt.editor.client.Editor.Path;
-import com.sencha.gxt.core.client.ValueProvider;
-import com.sencha.gxt.data.shared.ModelKeyProvider;
-import com.sencha.gxt.data.shared.PropertyAccess;
-
-/**
- * 
- * @author "Giancarlo Panichi" 
- * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
- */
-public interface ColumnDataProperties extends
-		PropertyAccess<ColumnData> {
-	
-	@Path("id")
-	ModelKeyProvider<ColumnData> id();
-	
-	ValueProvider<ColumnData,String> label();
-	
-
-}
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataPropertiesCombo.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataPropertiesCombo.java
deleted file mode 100644
index ced8e1d..0000000
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/properties/ColumnDataPropertiesCombo.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package org.gcube.portlets.user.td.columnwidget.client.properties;
-
-import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnData;
-
-import com.google.gwt.editor.client.Editor.Path;
-import com.sencha.gxt.data.shared.LabelProvider;
-import com.sencha.gxt.data.shared.ModelKeyProvider;
-import com.sencha.gxt.data.shared.PropertyAccess;
-
-/**
- * 
- * @author "Giancarlo Panichi" 
- * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
- */
-public interface ColumnDataPropertiesCombo extends
-		PropertyAccess<ColumnData> {
-	
-	@Path("id")
-	ModelKeyProvider<ColumnData> id();
-	
-	LabelProvider<ColumnData> label();
-	
-
-}