Index: src/main/java/com/xpn/xwiki/plugin/PatternPlugin.java
===================================================================
--- src/main/java/com/xpn/xwiki/plugin/PatternPlugin.java	(revision 10987)
+++ src/main/java/com/xpn/xwiki/plugin/PatternPlugin.java	(working copy)
@@ -23,8 +23,8 @@
 
 import java.util.Vector;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.ecs.filter.CharacterFilter;
-import org.apache.tools.ant.util.StringUtils;
 
 import com.xpn.xwiki.XWiki;
 import com.xpn.xwiki.XWikiContext;
Index: src/main/java/com/xpn/xwiki/doc/rcs/XWikiRCSArchive.java
===================================================================
--- src/main/java/com/xpn/xwiki/doc/rcs/XWikiRCSArchive.java	(revision 10987)
+++ src/main/java/com/xpn/xwiki/doc/rcs/XWikiRCSArchive.java	(working copy)
@@ -19,6 +19,7 @@
  */
 package com.xpn.xwiki.doc.rcs;
 
+import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.BitSet;
 import java.util.Collection;
@@ -30,7 +31,6 @@
 import org.apache.commons.codec.net.URLCodec;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.tools.ant.filters.StringInputStream;
 import org.suigeneris.jrcs.diff.PatchFailedException;
 import org.suigeneris.jrcs.rcs.Archive;
 import org.suigeneris.jrcs.rcs.InvalidFileFormatException;
@@ -100,7 +100,7 @@
      */
     public XWikiRCSArchive(String archiveText) throws ParseException
     {
-        super("", new StringInputStream(archiveText));
+        super("", new StringReader(archiveText));
     }
     /**
      * Helper class for convert from {@link XWikiRCSNodeInfo} to JRCS {@link Node}.
Index: pom.xml
===================================================================
--- pom.xml	(revision 10987)
+++ pom.xml	(working copy)
@@ -573,12 +573,6 @@
       <version>${platform.tool.test.version}</version>
       <scope>test</scope>
     </dependency>
-    <!-- Not used by XWiki directly, we should see who exactly depends on it -->
-    <dependency>
-      <groupId>ant</groupId>
-      <artifactId>ant</artifactId>
-      <version>1.6.5</version>
-    </dependency>
 
     <!-- Things that should probably be removed -->
     <!--