diff --git a/uk/ac/sanger/artemis/components/filetree/FileManager.java b/uk/ac/sanger/artemis/components/filetree/FileManager.java
index 8f7a3d98b83e43b23304c3494970d88e686c1e4c..07d6cd410a52f52a67bd02c26817e0104fb80238 100644
--- a/uk/ac/sanger/artemis/components/filetree/FileManager.java
+++ b/uk/ac/sanger/artemis/components/filetree/FileManager.java
@@ -38,10 +38,8 @@ import java.util.Enumeration;
 public class FileManager extends JFrame
 {
 
-  /** busy cursor */
-  private Cursor cbusy = new Cursor(Cursor.WAIT_CURSOR);
-  /** done cursor */
-  private Cursor cdone = new Cursor(Cursor.DEFAULT_CURSOR);
+  /** */
+  private static final long serialVersionUID = 1L;
 
   public FileManager(JFrame frame)
   {