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diff --git a/src/js/util/mxClipboard.js b/src/js/util/mxClipboard.js
deleted file mode 100644
index e9fec6b..0000000
--- a/src/js/util/mxClipboard.js
+++ /dev/null
@@ -1,144 +0,0 @@
-/**
- * $Id: mxClipboard.js,v 1.29 2010-01-02 09:45:14 gaudenz Exp $
- * Copyright (c) 2006-2010, JGraph Ltd
- */
-var mxClipboard =
-{
-	/**
-	 * Class: mxClipboard
-	 * 
-	 * Singleton that implements a clipboard for graph cells.
-	 *
-	 * Example:
-	 * 
-	 * (code)
-	 * mxClipboard.copy(graph);
-	 * mxClipboard.paste(graph2);
-	 * (end)
-	 *
-	 * This copies the selection cells from the graph to the
-	 * clipboard and pastes them into graph2.
-	 * 
-	 * For fine-grained control of the clipboard data the <mxGraph.canExportCell>
-	 * and <mxGraph.canImportCell> functions can be overridden.
-	 * 
-	 * Variable: STEPSIZE
-	 * 
-	 * Defines the step size to offset the cells
-	 * after each paste operation. Default is 10.
-	 */
-	STEPSIZE: 10,
-
-	/**
-	 * Variable: insertCount
-	 * 
-	 * Counts the number of times the clipboard data has been inserted.
-	 */
-	insertCount: 1,
-
-	/**
-	 * Variable: cells
-	 * 
-	 * Holds the array of <mxCells> currently in the clipboard.
-	 */
-	cells: null,
-	
-	/**
-	 * Function: isEmpty
-	 * 
-	 * Returns true if the clipboard currently has not data stored.
-	 */
-	isEmpty: function()
-	{
-		return mxClipboard.cells == null;
-	},
-
-	/**
-	 * Function: cut
-	 * 
-	 * Cuts the given array of <mxCells> from the specified graph.
-	 * If cells is null then the selection cells of the graph will
-	 * be used. Returns the cells that have been cut from the graph.
-	 *
-	 * Parameters:
-	 * 
-	 * graph - <mxGraph> that contains the cells to be cut.
-	 * cells - Optional array of <mxCells> to be cut.
-	 */
-	cut: function(graph, cells)
-	{
-		cells = mxClipboard.copy(graph, cells);
-		mxClipboard.insertCount = 0;
-		mxClipboard.removeCells(graph, cells);
-		
-		return cells;
-	},
-
-	/**
-	 * Function: removeCells
-	 * 
-	 * Hook to remove the given cells from the given graph after
-	 * a cut operation.
-	 *
-	 * Parameters:
-	 * 
-	 * graph - <mxGraph> that contains the cells to be cut.
-	 * cells - Array of <mxCells> to be cut.
-	 */
-	removeCells: function(graph, cells)
-	{
-		graph.removeCells(cells);
-	},
-
-	/**
-	 * Function: copy
-	 * 
-	 * Copies the given array of <mxCells> from the specified
-	 * graph to <cells>.Returns the original array of cells that has
-	 * been cloned.
-	 * 
-	 * Parameters:
-	 * 
-	 * graph - <mxGraph> that contains the cells to be copied.
-	 * cells - Optional array of <mxCells> to be copied.
-	 */
-	copy: function(graph, cells)
-	{
-		cells = cells || graph.getSelectionCells();
-		var result = graph.getExportableCells(cells);
-		mxClipboard.insertCount = 1;
-		mxClipboard.cells = graph.cloneCells(result);
-
-		return result;
-	},
-
-	/**
-	 * Function: paste
-	 * 
-	 * Pastes the <cells> into the specified graph restoring
-	 * the relation to <parents>, if possible. If the parents
-	 * are no longer in the graph or invisible then the
-	 * cells are added to the graph's default or into the
-	 * swimlane under the cell's new location if one exists.
-	 * The cells are added to the graph using <mxGraph.importCells>.
-	 * 
-	 * Parameters:
-	 * 
-	 * graph - <mxGraph> to paste the <cells> into.
-	 */
-	paste: function(graph)
-	{
-		if (mxClipboard.cells != null)
-		{
-			var cells = graph.getImportableCells(mxClipboard.cells);
-			var delta = mxClipboard.insertCount * mxClipboard.STEPSIZE;
-			var parent = graph.getDefaultParent();
-			cells = graph.importCells(cells, delta, delta, parent);
-			
-			// Increments the counter and selects the inserted cells
-			mxClipboard.insertCount++;
-			graph.setSelectionCells(cells);
-		}
-	}
-
-};