diff --git a/scripts/chg-len.py b/scripts/chg-len.py
deleted file mode 100755
--- a/scripts/chg-len.py
+++ /dev/null
@@ -1,46 +0,0 @@
-#! /usr/bin/env python
-#
-# This file is a part of LEMON, a generic C++ optimization library.
-#
-# Copyright (C) 2003-2009
-# Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
-# (Egervary Research Group on Combinatorial Optimization, EGRES).
-#
-# Permission to use, modify and distribute this software is granted
-# provided that this copyright notice appears in all copies. For
-# precise terms see the accompanying LICENSE file.
-#
-# This software is provided "AS IS" with no warranty of any kind,
-# express or implied, and with no claim as to its suitability for any
-# purpose.
-
-import sys
-
-from mercurial import ui, hg
-from mercurial import util
-
-util.rcpath = lambda : []
-
-if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
-    print """
-This utility just prints the length of the longest path
-in the revision graph from revison 0 to the current one.
-"""
-    exit(0)
-
-u = ui.ui()
-r = hg.repository(u, ".")
-N = r.changectx(".").rev()
-lengths=[0]*(N+1)
-for i in range(N+1):
-    p=r.changectx(i).parents()
-    if p[0]:
-        p0=lengths[p[0].rev()]
-    else:
-        p0=-1
-    if len(p)>1 and p[1]:
-        p1=lengths[p[1].rev()]
-    else:
-        p1=-1
-    lengths[i]=max(p0,p1)+1
-print lengths[N]