diff --git a/test/src/main/java/org/jvnet/hudson/test/ExtractResourceWithChangesSCM.java b/test/src/main/java/org/jvnet/hudson/test/ExtractResourceWithChangesSCM.java
index c9ea2b53806e9c12e562d1950c01587007763da2..cfeab9c9aea8dcafaccd2a0689e9ff02e5d89e9e 100644
--- a/test/src/main/java/org/jvnet/hudson/test/ExtractResourceWithChangesSCM.java
+++ b/test/src/main/java/org/jvnet/hudson/test/ExtractResourceWithChangesSCM.java
@@ -25,32 +25,19 @@ package org.jvnet.hudson.test;
 
 import hudson.FilePath;
 import hudson.Launcher;
-import hudson.model.User;
 import hudson.model.AbstractBuild;
 import hudson.model.BuildListener;
+import hudson.scm.ChangeLogParser;
 import hudson.scm.NullSCM;
 import hudson.scm.SCM;
-import hudson.scm.ChangeLogSet;
-import hudson.scm.ChangeLogParser;
+
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
 import java.io.FileOutputStream;
-import java.io.PrintStream;
 import java.io.IOException;
+import java.io.PrintStream;
 import java.net.URL;
-import java.util.zip.ZipInputStream;
 import java.util.zip.ZipEntry;
-import java.util.List;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Iterator;
-
-import org.apache.commons.digester.Digester;
-import org.kohsuke.stapler.export.ExportedBean;
-import org.kohsuke.stapler.export.Exported;
-import org.xml.sax.SAXException;
+import java.util.zip.ZipInputStream;
 
 /**
  * {@link SCM} useful for testing that extracts the given resource as a zip file.
@@ -60,49 +47,49 @@ import org.xml.sax.SAXException;
 public class ExtractResourceWithChangesSCM extends NullSCM {
     private final URL firstZip;
     private final URL secondZip;
-    
+
     public ExtractResourceWithChangesSCM(URL firstZip, URL secondZip) {
-        if ((firstZip==null) || (secondZip==null))
+        if ((firstZip == null) || (secondZip == null))
             throw new IllegalArgumentException();
         this.firstZip = firstZip;
-	this.secondZip = secondZip;
+        this.secondZip = secondZip;
     }
 
     @Override
     public boolean checkout(AbstractBuild build, Launcher launcher, FilePath workspace, BuildListener listener, File changeLogFile) throws IOException, InterruptedException {
-    	if (workspace.exists()) {
+        if (workspace.exists()) {
             listener.getLogger().println("Deleting existing workspace " + workspace.getRemote());
-    		workspace.deleteRecursive();
-    	}
-        listener.getLogger().println("Staging first zip: "+firstZip);
+            workspace.deleteRecursive();
+        }
+        listener.getLogger().println("Staging first zip: " + firstZip);
         workspace.unzipFrom(firstZip.openStream());
-        listener.getLogger().println("Staging second zip: "+secondZip);
+        listener.getLogger().println("Staging second zip: " + secondZip);
         workspace.unzipFrom(secondZip.openStream());
 
-	// Get list of files changed in secondZip.
-	ZipInputStream zip = new ZipInputStream(secondZip.openStream());
-	ZipEntry e;
-	ExtractChangeLogParser.ExtractChangeLogEntry changeLog = new ExtractChangeLogParser.ExtractChangeLogEntry(secondZip.toString());
-	
-	try {
-	    while ((e=zip.getNextEntry())!=null) {
-		if (!e.isDirectory()) 
-		    changeLog.addFile(new ExtractChangeLogParser.FileInZip(e.getName()));
-	    }
-	}
-	finally {
-	    zip.close();
-	}
-	saveToChangeLog(changeLogFile, changeLog);
-	
+        // Get list of files changed in secondZip.
+        ZipInputStream zip = new ZipInputStream(secondZip.openStream());
+        ZipEntry e;
+        ExtractChangeLogParser.ExtractChangeLogEntry changeLog = new ExtractChangeLogParser.ExtractChangeLogEntry(secondZip.toString());
+
+        try {
+            while ((e = zip.getNextEntry()) != null) {
+                if (!e.isDirectory())
+                    changeLog.addFile(new ExtractChangeLogParser.FileInZip(e.getName()));
+            }
+        }
+        finally {
+            zip.close();
+        }
+        saveToChangeLog(changeLogFile, changeLog);
+
         return true;
     }
 
     @Override
     public ChangeLogParser createChangeLogParser() {
-	return new ExtractChangeLogParser();
+        return new ExtractChangeLogParser();
     }
-    
+
     public static String escapeForXml(String string) {
         if (string == null) {
             return "";
@@ -138,29 +125,26 @@ public class ExtractResourceWithChangesSCM extends NullSCM {
 
         return escapedString.toString().trim();
     }
-    
+
     public void saveToChangeLog(File changeLogFile, ExtractChangeLogParser.ExtractChangeLogEntry changeLog) throws IOException {
-	FileOutputStream outputStream = new FileOutputStream(changeLogFile);
-	
-	PrintStream stream = new PrintStream(outputStream, false, "UTF-8");
-
-	stream.println("<?xml version='1.0' encoding='UTF-8'?>");
-	stream.println("<extractChanges>");
-	stream.println("<entry>");
-	stream.println("<zipFile>" + escapeForXml(changeLog.getZipFile()) + "</zipFile>");
-	stream.println("<file>");
-	
-	for (String fileName : changeLog.getAffectedPaths()) {
-	    stream.println("<fileName>" + escapeForXml(fileName) + "</fileName>");
-	}
-
-	stream.println("</file>");
-	stream.println("</entry>");
-	stream.println("</extractChanges>");
-
-	stream.close();
-    }
+        FileOutputStream outputStream = new FileOutputStream(changeLogFile);
 
-    
+        PrintStream stream = new PrintStream(outputStream, false, "UTF-8");
 
+        stream.println("<?xml version='1.0' encoding='UTF-8'?>");
+        stream.println("<extractChanges>");
+        stream.println("<entry>");
+        stream.println("<zipFile>" + escapeForXml(changeLog.getZipFile()) + "</zipFile>");
+        stream.println("<file>");
+
+        for (String fileName : changeLog.getAffectedPaths()) {
+            stream.println("<fileName>" + escapeForXml(fileName) + "</fileName>");
+        }
+
+        stream.println("</file>");
+        stream.println("</entry>");
+        stream.println("</extractChanges>");
+
+        stream.close();
+    }
 }