diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/model/InfoContactModel.java b/src/main/java/org/gcube/portlets/user/workspace/client/model/InfoContactModel.java
index 8ebe721..4868907 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/model/InfoContactModel.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/model/InfoContactModel.java
@@ -3,8 +3,6 @@ package org.gcube.portlets.user.workspace.client.model;
 import java.io.Serializable;
 import java.util.Comparator;
 
-import org.gcube.portlets.user.workspace.client.ConstantsExplorer;
-
 import com.extjs.gxt.ui.client.data.BaseModelData;
 
 /**
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/multisuggest/MultiValuePanel.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/multisuggest/MultiValuePanel.java
index 474d9d3..0f85352 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/multisuggest/MultiValuePanel.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/multisuggest/MultiValuePanel.java
@@ -15,7 +15,6 @@ import com.google.gwt.event.dom.client.KeyDownEvent;
 import com.google.gwt.event.dom.client.KeyDownHandler;
 import com.google.gwt.event.logical.shared.SelectionEvent;
 import com.google.gwt.event.logical.shared.SelectionHandler;
-import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.FlowPanel;