diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/event/CompletedFileUploadEvent.java b/src/main/java/org/gcube/portlets/user/workspace/client/event/CompletedFileUploadEvent.java
index 8a753ce..e041214 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/event/CompletedFileUploadEvent.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/event/CompletedFileUploadEvent.java
@@ -3,7 +3,6 @@ package org.gcube.portlets.user.workspace.client.event;
 import org.gcube.portlets.user.workspace.client.ConstantsExplorer.WS_UPLOAD_TYPE;
 import org.gcube.portlets.user.workspace.client.interfaces.EventsTypeEnum;
 import org.gcube.portlets.user.workspace.client.interfaces.GuiEventInterface;
-import org.gcube.portlets.user.workspace.client.model.FileModel;
 
 import com.google.gwt.event.shared.GwtEvent;
 
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/tree/AsyncTreePanel.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/tree/AsyncTreePanel.java
index 2cb4b38..1127221 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/tree/AsyncTreePanel.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/tree/AsyncTreePanel.java
@@ -48,7 +48,6 @@ import com.extjs.gxt.ui.client.widget.layout.FitLayout;
 import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
 import com.extjs.gxt.ui.client.widget.treepanel.TreePanel.TreeNode;
 import com.google.gwt.core.client.GWT;
-import com.google.gwt.event.shared.EventHandler;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.rpc.AsyncCallback;