diff --git a/src/simulator/simulator.cc b/src/simulator/simulator.cc
index 382ee5635..1e4e38ea7 100644
--- a/src/simulator/simulator.cc
+++ b/src/simulator/simulator.cc
@@ -351,10 +351,5 @@ Simulator::is_expired (EventId id)
 }; // namespace ns3
 
 
-namespace ns3 {
-
-};
-
-