--- a/samples/wscript	Sat Mar 05 10:51:26 2011 -0800
+++ b/samples/wscript	Sat Mar 05 11:47:37 2011 -0800
@@ -39,11 +39,11 @@
     obj.source = 'main-grid-topology.cc'
 
     obj = bld.create_ns3_program('main-random-topology',
-                                 ['core', 'helper', 'mobility'])
+                                 ['core', 'mobility'])
     obj.source = 'main-random-topology.cc'
     
     obj = bld.create_ns3_program('main-random-walk',
-                                 ['core', 'helper', 'mobility'])
+                                 ['core', 'mobility'])
     obj.source = 'main-random-walk.cc'
 
     obj = bld.create_ns3_program('main-propagation-loss',