diff --git a/bundles/org.eclipse.wst.xsl.core/src/org/eclipse/wst/xsl/core/model/StylesheetModel.java b/bundles/org.eclipse.wst.xsl.core/src/org/eclipse/wst/xsl/core/model/StylesheetModel.java
index 098ad9d..9fbe2ea 100644
--- a/bundles/org.eclipse.wst.xsl.core/src/org/eclipse/wst/xsl/core/model/StylesheetModel.java
+++ b/bundles/org.eclipse.wst.xsl.core/src/org/eclipse/wst/xsl/core/model/StylesheetModel.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2009 Chase Technology Ltd - http://www.chasetechnology.co.uk
+ * Copyright (c) 2007, 2013 Chase Technology Ltd - http://www.chasetechnology.co.uk
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -9,6 +9,7 @@
  *     Doug Satchwell (Chase Technology Ltd) - initial API and implementation
  *     David Carver (STAR) -  bug 243577 - Added retrieving all called-templates.
  *     David Carver (STAR) -  bug 246503 - Handled nested circular includes.
+ *     Jesper S Moller     -  bug 406262 - StackOverflow when checking for circular includes on next level import
  *******************************************************************************/
 package org.eclipse.wst.xsl.core.model;
 
@@ -16,7 +17,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.Stack;
 
 import org.eclipse.core.resources.IFile;
 import org.eclipse.wst.xsl.core.XSLCore;