Index: NativeFSLockFactory.java
===================================================================
--- NativeFSLockFactory.java	(revision 1227006)
+++ NativeFSLockFactory.java	(working copy)
@@ -278,10 +278,6 @@
           }
         }
       }
-      // LUCENE-2421: we don't care anymore if the file cannot be deleted
-      // because it's held up by another process (e.g. AntiVirus). NativeFSLock
-      // does not depend on the existence/absence of the lock file
-      path.delete();
     } else {
       // if we don't hold the lock, and somebody still called release(), for
       // example as a result of calling IndexWriter.unlock(), we should attempt