diff -r 6aea07d5ca48 -r f747a0ddbbf6 test/arc_look_up_test.cc
--- a/test/arc_look_up_test.cc	Sat May 31 07:00:14 2014 +0200
+++ b/test/arc_look_up_test.cc	Mon Jul 07 11:15:34 2014 +0200
@@ -24,7 +24,6 @@
 
 using namespace lemon;
 
-const int lgfn = 4;
 const std::string lgf =
   "@nodes\n"
 "label\n"