diff -r dceba191c00d -r e0ccc1f0268f test/max_flow_test.cc
--- a/test/max_flow_test.cc	Fri Aug 09 11:28:17 2013 +0200
+++ b/test/max_flow_test.cc	Thu Mar 22 18:55:01 2018 +0100
@@ -165,8 +165,6 @@
   typedef int Value;
   typedef concepts::Digraph Digraph;
   typedef concepts::ReadMap<Digraph::Arc, Value> CapMap;
-  typedef Elevator<Digraph, Digraph::Node> Elev;
-  typedef LinkedElevator<Digraph, Digraph::Node> LinkedElev;
 
   Digraph g;
   Digraph::Node n;