diff --git a/zkwebui/WEB-INF/src/org/adempiere/webui/component/GridPanel.java b/zkwebui/WEB-INF/src/org/adempiere/webui/component/GridPanel.java
index db9c0318c5..eecb52bb2a 100644
--- a/zkwebui/WEB-INF/src/org/adempiere/webui/component/GridPanel.java
+++ b/zkwebui/WEB-INF/src/org/adempiere/webui/component/GridPanel.java
@@ -248,10 +248,6 @@ public class GridPanel extends Borderlayout implements EventListener
 	}
 	
 	public void deactivate() {
-		ListitemRenderer lr = null;
-		listModel = null;
-		listbox.setItemRenderer(lr);
-		listbox.setModel(listModel);
 	}
 
 	public void onEvent(Event event) throws Exception