diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/WorkspaceExplorer.gwt.xml b/src/main/java/org/gcube/portlets/widgets/wsexplorer/WorkspaceExplorer.gwt.xml
index 70cad3c..a0787ad 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/WorkspaceExplorer.gwt.xml
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/WorkspaceExplorer.gwt.xml
@@ -10,16 +10,13 @@
 	<script src="bootstrap.min.js"></script>
 
 	<!-- Inherit the default GWT style sheet. You can change -->
-	<!-- the theme of your GWT application by uncommenting -->
-	<!-- any one of the following lines. -->
 	<inherits name="com.github.gwtbootstrap.Bootstrap" />
 	<inherits name='com.google.gwt.user.theme.standard.Standard' />
 
 	<stylesheet src='workspace-explorer.css' />
 
 	<!-- Specify the app entry point class. -->
-	<!-- <entry-point class='org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorer' 
-		/> -->
+	<!-- <entry-point class='org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorer'/> -->
 
 	<!-- Specify the paths for translatable code -->
 	<source path='client' />
diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/Messages.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/Messages.java
deleted file mode 100644
index f110334..0000000
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/Messages.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.gcube.portlets.widgets.wsexplorer.client;
-
-public interface Messages extends com.google.gwt.i18n.client.Messages {
-  
-  @DefaultMessage("Enter your name")
-  String nameField();
-
-  @DefaultMessage("Send")
-  String sendButton();
-}
diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectPanel.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectPanel.java
index 1685ff8..be1c628 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectPanel.java
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectPanel.java
@@ -19,10 +19,8 @@ import com.github.gwtbootstrap.client.ui.Button;
 import com.github.gwtbootstrap.client.ui.ModalFooter;
 import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.github.gwtbootstrap.client.ui.constants.ButtonType;
-import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.HorizontalPanel;
 import com.google.gwt.user.client.ui.ScrollPanel;
 import com.google.gwt.user.client.ui.VerticalPanel;