diff -r b5fb023cdb7b -r 0f1044b7a3af src/test/graph_test.cc
--- a/src/test/graph_test.cc	Wed Nov 10 21:59:59 2004 +0000
+++ b/src/test/graph_test.cc	Thu Nov 11 09:31:55 2004 +0000
@@ -33,7 +33,6 @@
 
     function_requires<IterableGraphComponentConcept<IterableGraphComponent> >();
 
-    function_requires<IdMappableGraphComponentConcept<IdMappableGraphComponent> >();
     function_requires<MappableGraphComponentConcept<MappableGraphComponent> >();
 
     function_requires<ExtendableGraphComponentConcept<ExtendableGraphComponent> >();