diff -r bdc029900564 -r d9e802637310 test/arc_look_up_test.cc
--- a/test/arc_look_up_test.cc	Tue Apr 08 15:57:42 2014 +0200
+++ b/test/arc_look_up_test.cc	Mon Jul 07 11:57:45 2014 +0200
@@ -24,7 +24,6 @@
 
 using namespace lemon;
 
-const int lgfn = 4;
 const std::string lgf =
   "@nodes\n"
 "label\n"