diff --git a/traceroute.cc b/traceroute.cc
index fafb7a67d..a09188814 100644
--- a/traceroute.cc
+++ b/traceroute.cc
@@ -147,33 +147,6 @@ individually.
 #include <set>
 #include <vector>
 
-/* Linux uses these defines in netinet/ip.h to use the correct struct ip */
-#ifndef __FAVOR_BSD
-#define __FAVOR_BSD
-#endif
-#ifndef __USE_BSD
-#define __USE_BSD
-#endif
-#ifndef _BSD_SOURCE
-#define _BSD_SOURCE
-#endif
-
-/* BSDI needs this to insure the correct struct ip */
-#undef _IP_VHL
-
-#ifndef NETINET_IN_SYSTM_H  /* This guarding is needed for at least some versions of OpenBSD */
-#include <netinet/in_systm.h> /* defines n_long needed for netinet/ip.h */
-#define NETINET_IN_SYSTM_H
-#endif
-#ifndef NETINET_IP_H  /* This guarding is needed for at least some versions of OpenBSD */
-#include <netinet/ip.h> 
-#define NETINET_IP_H
-#endif
-
-#ifndef WIN32
-#include <netinet/ip_icmp.h>
-#endif
-
 extern NmapOps o;
 
 /* The highest TTL we go up to if the target itself doesn't respond. */