-#include "ns3/helper-module.h"
-#include "ns3/simulator-module.h"
-#include "ns3/node-module.h"
-#include "ns3/helper-module.h"
-#include "ns3/global-routing-module.h"
+#include "my-point-to-point-helper.h"
+
+#include "ns3/node.h"
+#include "ns3/global-route-manager.h"
+#include "ns3/csma-helper.h"
+#include "ns3/internet-stack-helper.h"
+#include "ns3/ipv4-address-helper.h"
+#include "ns3/point-to-point-helper.h"
+#include "ns3/packet-sink-helper.h"
+#include "ns3/inet-socket-address.h"