diff --git a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/progress/DuplicatesRowsProgressDialog.java b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/progress/DuplicatesRowsProgressDialog.java
index d203f20..c7ae2b6 100644
--- a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/progress/DuplicatesRowsProgressDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/progress/DuplicatesRowsProgressDialog.java
@@ -12,12 +12,9 @@ import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.widget.core.client.FramedPanel;
 import com.sencha.gxt.widget.core.client.ProgressBar;
 import com.sencha.gxt.widget.core.client.Window;
-import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
 import com.sencha.gxt.widget.core.client.button.TextButton;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
-import com.sencha.gxt.widget.core.client.event.HideEvent;
-import com.sencha.gxt.widget.core.client.event.HideEvent.HideHandler;
 import com.sencha.gxt.widget.core.client.event.SelectEvent;
 import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;