diff --git a/src/mem/ruby/network/BasicLink.hh b/src/mem/ruby/network/BasicLink.hh
index 39c2096..755e5c7 100644
--- a/src/mem/ruby/network/BasicLink.hh
+++ b/src/mem/ruby/network/BasicLink.hh
@@ -33,14 +33,15 @@
 #include <string>
 #include <vector>
 
+#include "mem/ruby/network/BasicRouter.hh"
+#include "mem/ruby/slicc_interface/AbstractController.hh"
 #include "params/BasicExtLink.hh"
 #include "params/BasicIntLink.hh"
 #include "params/BasicLink.hh"
-#include "mem/ruby/network/BasicRouter.hh"
-#include "mem/ruby/network/Topology.hh"
-#include "mem/ruby/slicc_interface/AbstractController.hh"
 #include "sim/sim_object.hh"
 
+class Topology;
+
 class BasicLink : public SimObject
 {
   public: