-#ifndef kSCEntNetIPv4ARPCollision
-#define kSCEntNetIPv4ARPCollision CFSTR("IPv4ARPCollision")
-#endif /* kSCEntNetIPv4ARPCollision */
-
-#if !TARGET_OS_IPHONE
-#ifndef kSCEntNetIPv4PortInUse
-#define kSCEntNetIPv4PortInUse CFSTR("PortInUse")
-#endif /* kSCEntNetIPv4PortInUse */
-#endif /* !TARGET_OS_IPHONE */
-