diff --git a/Lib/plat-darwin/IN.py b/Lib/plat-darwin/IN.py
deleted file mode 100644
index 9d7408654f1..00000000000
--- a/Lib/plat-darwin/IN.py
+++ /dev/null
@@ -1,357 +0,0 @@
-# Generated by h2py from /usr/include/netinet/in.h
-
-# Included from sys/appleapiopts.h
-IPPROTO_IP = 0
-IPPROTO_HOPOPTS = 0
-IPPROTO_ICMP = 1
-IPPROTO_IGMP = 2
-IPPROTO_GGP = 3
-IPPROTO_IPV4 = 4
-IPPROTO_IPIP = IPPROTO_IPV4
-IPPROTO_TCP = 6
-IPPROTO_ST = 7
-IPPROTO_EGP = 8
-IPPROTO_PIGP = 9
-IPPROTO_RCCMON = 10
-IPPROTO_NVPII = 11
-IPPROTO_PUP = 12
-IPPROTO_ARGUS = 13
-IPPROTO_EMCON = 14
-IPPROTO_XNET = 15
-IPPROTO_CHAOS = 16
-IPPROTO_UDP = 17
-IPPROTO_MUX = 18
-IPPROTO_MEAS = 19
-IPPROTO_HMP = 20
-IPPROTO_PRM = 21
-IPPROTO_IDP = 22
-IPPROTO_TRUNK1 = 23
-IPPROTO_TRUNK2 = 24
-IPPROTO_LEAF1 = 25
-IPPROTO_LEAF2 = 26
-IPPROTO_RDP = 27
-IPPROTO_IRTP = 28
-IPPROTO_TP = 29
-IPPROTO_BLT = 30
-IPPROTO_NSP = 31
-IPPROTO_INP = 32
-IPPROTO_SEP = 33
-IPPROTO_3PC = 34
-IPPROTO_IDPR = 35
-IPPROTO_XTP = 36
-IPPROTO_DDP = 37
-IPPROTO_CMTP = 38
-IPPROTO_TPXX = 39
-IPPROTO_IL = 40
-IPPROTO_IPV6 = 41
-IPPROTO_SDRP = 42
-IPPROTO_ROUTING = 43
-IPPROTO_FRAGMENT = 44
-IPPROTO_IDRP = 45
-IPPROTO_RSVP = 46
-IPPROTO_GRE = 47
-IPPROTO_MHRP = 48
-IPPROTO_BHA = 49
-IPPROTO_ESP = 50
-IPPROTO_AH = 51
-IPPROTO_INLSP = 52
-IPPROTO_SWIPE = 53
-IPPROTO_NHRP = 54
-IPPROTO_ICMPV6 = 58
-IPPROTO_NONE = 59
-IPPROTO_DSTOPTS = 60
-IPPROTO_AHIP = 61
-IPPROTO_CFTP = 62
-IPPROTO_HELLO = 63
-IPPROTO_SATEXPAK = 64
-IPPROTO_KRYPTOLAN = 65
-IPPROTO_RVD = 66
-IPPROTO_IPPC = 67
-IPPROTO_ADFS = 68
-IPPROTO_SATMON = 69
-IPPROTO_VISA = 70
-IPPROTO_IPCV = 71
-IPPROTO_CPNX = 72
-IPPROTO_CPHB = 73
-IPPROTO_WSN = 74
-IPPROTO_PVP = 75
-IPPROTO_BRSATMON = 76
-IPPROTO_ND = 77
-IPPROTO_WBMON = 78
-IPPROTO_WBEXPAK = 79
-IPPROTO_EON = 80
-IPPROTO_VMTP = 81
-IPPROTO_SVMTP = 82
-IPPROTO_VINES = 83
-IPPROTO_TTP = 84
-IPPROTO_IGP = 85
-IPPROTO_DGP = 86
-IPPROTO_TCF = 87
-IPPROTO_IGRP = 88
-IPPROTO_OSPFIGP = 89
-IPPROTO_SRPC = 90
-IPPROTO_LARP = 91
-IPPROTO_MTP = 92
-IPPROTO_AX25 = 93
-IPPROTO_IPEIP = 94
-IPPROTO_MICP = 95
-IPPROTO_SCCSP = 96
-IPPROTO_ETHERIP = 97
-IPPROTO_ENCAP = 98
-IPPROTO_APES = 99
-IPPROTO_GMTP = 100
-IPPROTO_IPCOMP = 108
-IPPROTO_PIM = 103
-IPPROTO_PGM = 113
-IPPROTO_DIVERT = 254
-IPPROTO_RAW = 255
-IPPROTO_MAX = 256
-IPPROTO_DONE = 257
-IPPORT_RESERVED = 1024
-IPPORT_USERRESERVED = 5000
-IPPORT_HIFIRSTAUTO = 49152
-IPPORT_HILASTAUTO = 65535
-IPPORT_RESERVEDSTART = 600
-def IN_CLASSA(i): return (((u_int32_t)(i) & 0x80000000) == 0)
-
-IN_CLASSA_NET = 0xff000000
-IN_CLASSA_NSHIFT = 24
-IN_CLASSA_HOST = 0x00ffffff
-IN_CLASSA_MAX = 128
-def IN_CLASSB(i): return (((u_int32_t)(i) & 0xc0000000) == 0x80000000)
-
-IN_CLASSB_NET = 0xffff0000
-IN_CLASSB_NSHIFT = 16
-IN_CLASSB_HOST = 0x0000ffff
-IN_CLASSB_MAX = 65536
-def IN_CLASSC(i): return (((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
-
-IN_CLASSC_NET = 0xffffff00
-IN_CLASSC_NSHIFT = 8
-IN_CLASSC_HOST = 0x000000ff
-def IN_CLASSD(i): return (((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
-
-IN_CLASSD_NET = 0xf0000000
-IN_CLASSD_NSHIFT = 28
-IN_CLASSD_HOST = 0x0fffffff
-def IN_MULTICAST(i): return IN_CLASSD(i)
-
-def IN_EXPERIMENTAL(i): return (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
-
-def IN_BADCLASS(i): return (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
-
-INADDR_NONE = 0xffffffff
-def IN_LINKLOCAL(i): return (((u_int32_t)(i) & IN_CLASSB_NET) == IN_LINKLOCALNETNUM)
-
-IN_LOOPBACKNET = 127
-INET_ADDRSTRLEN = 16
-IP_OPTIONS = 1
-IP_HDRINCL = 2
-IP_TOS = 3
-IP_TTL = 4
-IP_RECVOPTS = 5
-IP_RECVRETOPTS = 6
-IP_RECVDSTADDR = 7
-IP_RETOPTS = 8
-IP_MULTICAST_IF = 9
-IP_MULTICAST_TTL = 10
-IP_MULTICAST_LOOP = 11
-IP_ADD_MEMBERSHIP = 12
-IP_DROP_MEMBERSHIP = 13
-IP_MULTICAST_VIF = 14
-IP_RSVP_ON = 15
-IP_RSVP_OFF = 16
-IP_RSVP_VIF_ON = 17
-IP_RSVP_VIF_OFF = 18
-IP_PORTRANGE = 19
-IP_RECVIF = 20
-IP_IPSEC_POLICY = 21
-IP_FAITH = 22
-IP_STRIPHDR = 23
-IP_FW_ADD = 40
-IP_FW_DEL = 41
-IP_FW_FLUSH = 42
-IP_FW_ZERO = 43
-IP_FW_GET = 44
-IP_FW_RESETLOG = 45
-IP_OLD_FW_ADD = 50
-IP_OLD_FW_DEL = 51
-IP_OLD_FW_FLUSH = 52
-IP_OLD_FW_ZERO = 53
-IP_OLD_FW_GET = 54
-IP_NAT__XXX = 55
-IP_OLD_FW_RESETLOG = 56
-IP_DUMMYNET_CONFIGURE = 60
-IP_DUMMYNET_DEL = 61
-IP_DUMMYNET_FLUSH = 62
-IP_DUMMYNET_GET = 64
-IP_DEFAULT_MULTICAST_TTL = 1
-IP_DEFAULT_MULTICAST_LOOP = 1
-IP_MAX_MEMBERSHIPS = 20
-IP_PORTRANGE_DEFAULT = 0
-IP_PORTRANGE_HIGH = 1
-IP_PORTRANGE_LOW = 2
-IPPROTO_MAXID = (IPPROTO_AH + 1)
-IPCTL_FORWARDING = 1
-IPCTL_SENDREDIRECTS = 2
-IPCTL_DEFTTL = 3
-IPCTL_DEFMTU = 4
-IPCTL_RTEXPIRE = 5
-IPCTL_RTMINEXPIRE = 6
-IPCTL_RTMAXCACHE = 7
-IPCTL_SOURCEROUTE = 8
-IPCTL_DIRECTEDBROADCAST = 9
-IPCTL_INTRQMAXLEN = 10
-IPCTL_INTRQDROPS = 11
-IPCTL_STATS = 12
-IPCTL_ACCEPTSOURCEROUTE = 13
-IPCTL_FASTFORWARDING = 14
-IPCTL_KEEPFAITH = 15
-IPCTL_GIF_TTL = 16
-IPCTL_MAXID = 17
-
-# Included from netinet6/in6.h
-__KAME_VERSION = "20010528/apple-darwin"
-IPV6PORT_RESERVED = 1024
-IPV6PORT_ANONMIN = 49152
-IPV6PORT_ANONMAX = 65535
-IPV6PORT_RESERVEDMIN = 600
-IPV6PORT_RESERVEDMAX = (IPV6PORT_RESERVED-1)
-INET6_ADDRSTRLEN = 46
-IPV6_ADDR_INT32_ONE = 1
-IPV6_ADDR_INT32_TWO = 2
-IPV6_ADDR_INT32_MNL = 0xff010000
-IPV6_ADDR_INT32_MLL = 0xff020000
-IPV6_ADDR_INT32_SMP = 0x0000ffff
-IPV6_ADDR_INT16_ULL = 0xfe80
-IPV6_ADDR_INT16_USL = 0xfec0
-IPV6_ADDR_INT16_MLL = 0xff02
-IPV6_ADDR_INT32_ONE = 0x01000000
-IPV6_ADDR_INT32_TWO = 0x02000000
-IPV6_ADDR_INT32_MNL = 0x000001ff
-IPV6_ADDR_INT32_MLL = 0x000002ff
-IPV6_ADDR_INT32_SMP = 0xffff0000
-IPV6_ADDR_INT16_ULL = 0x80fe
-IPV6_ADDR_INT16_USL = 0xc0fe
-IPV6_ADDR_INT16_MLL = 0x02ff
-def IN6_IS_ADDR_UNSPECIFIED(a): return \
-
-def IN6_IS_ADDR_LOOPBACK(a): return \
-
-def IN6_IS_ADDR_V4COMPAT(a): return \
-
-def IN6_IS_ADDR_V4MAPPED(a): return \
-
-IPV6_ADDR_SCOPE_NODELOCAL = 0x01
-IPV6_ADDR_SCOPE_LINKLOCAL = 0x02
-IPV6_ADDR_SCOPE_SITELOCAL = 0x05
-IPV6_ADDR_SCOPE_ORGLOCAL = 0x08
-IPV6_ADDR_SCOPE_GLOBAL = 0x0e
-__IPV6_ADDR_SCOPE_NODELOCAL = 0x01
-__IPV6_ADDR_SCOPE_LINKLOCAL = 0x02
-__IPV6_ADDR_SCOPE_SITELOCAL = 0x05
-__IPV6_ADDR_SCOPE_ORGLOCAL = 0x08
-__IPV6_ADDR_SCOPE_GLOBAL = 0x0e
-def IN6_IS_ADDR_LINKLOCAL(a): return \
-
-def IN6_IS_ADDR_SITELOCAL(a): return \
-
-def IN6_IS_ADDR_MC_NODELOCAL(a): return \
-
-def IN6_IS_ADDR_MC_LINKLOCAL(a): return \
-
-def IN6_IS_ADDR_MC_SITELOCAL(a): return \
-
-def IN6_IS_ADDR_MC_ORGLOCAL(a): return \
-
-def IN6_IS_ADDR_MC_GLOBAL(a): return \
-
-def IN6_IS_ADDR_MC_NODELOCAL(a): return \
-
-def IN6_IS_ADDR_MC_LINKLOCAL(a): return \
-
-def IN6_IS_ADDR_MC_SITELOCAL(a): return \
-
-def IN6_IS_ADDR_MC_ORGLOCAL(a): return \
-
-def IN6_IS_ADDR_MC_GLOBAL(a): return \
-
-def IN6_IS_SCOPE_LINKLOCAL(a): return \
-
-def IFA6_IS_DEPRECATED(a): return \
-
-def IFA6_IS_INVALID(a): return \
-
-IPV6_OPTIONS = 1
-IPV6_RECVOPTS = 5
-IPV6_RECVRETOPTS = 6
-IPV6_RECVDSTADDR = 7
-IPV6_RETOPTS = 8
-IPV6_SOCKOPT_RESERVED1 = 3
-IPV6_UNICAST_HOPS = 4
-IPV6_MULTICAST_IF = 9
-IPV6_MULTICAST_HOPS = 10
-IPV6_MULTICAST_LOOP = 11
-IPV6_JOIN_GROUP = 12
-IPV6_LEAVE_GROUP = 13
-IPV6_PORTRANGE = 14
-ICMP6_FILTER = 18
-IPV6_PKTINFO = 19
-IPV6_HOPLIMIT = 20
-IPV6_NEXTHOP = 21
-IPV6_HOPOPTS = 22
-IPV6_DSTOPTS = 23
-IPV6_RTHDR = 24
-IPV6_PKTOPTIONS = 25
-IPV6_CHECKSUM = 26
-IPV6_V6ONLY = 27
-IPV6_BINDV6ONLY = IPV6_V6ONLY
-IPV6_IPSEC_POLICY = 28
-IPV6_FAITH = 29
-IPV6_FW_ADD = 30
-IPV6_FW_DEL = 31
-IPV6_FW_FLUSH = 32
-IPV6_FW_ZERO = 33
-IPV6_FW_GET = 34
-IPV6_RTHDR_LOOSE = 0
-IPV6_RTHDR_STRICT = 1
-IPV6_RTHDR_TYPE_0 = 0
-IPV6_DEFAULT_MULTICAST_HOPS = 1
-IPV6_DEFAULT_MULTICAST_LOOP = 1
-IPV6_PORTRANGE_DEFAULT = 0
-IPV6_PORTRANGE_HIGH = 1
-IPV6_PORTRANGE_LOW = 2
-IPV6PROTO_MAXID = (IPPROTO_PIM + 1)
-IPV6CTL_FORWARDING = 1
-IPV6CTL_SENDREDIRECTS = 2
-IPV6CTL_DEFHLIM = 3
-IPV6CTL_DEFMTU = 4
-IPV6CTL_FORWSRCRT = 5
-IPV6CTL_STATS = 6
-IPV6CTL_MRTSTATS = 7
-IPV6CTL_MRTPROTO = 8
-IPV6CTL_MAXFRAGPACKETS = 9
-IPV6CTL_SOURCECHECK = 10
-IPV6CTL_SOURCECHECK_LOGINT = 11
-IPV6CTL_ACCEPT_RTADV = 12
-IPV6CTL_KEEPFAITH = 13
-IPV6CTL_LOG_INTERVAL = 14
-IPV6CTL_HDRNESTLIMIT = 15
-IPV6CTL_DAD_COUNT = 16
-IPV6CTL_AUTO_FLOWLABEL = 17
-IPV6CTL_DEFMCASTHLIM = 18
-IPV6CTL_GIF_HLIM = 19
-IPV6CTL_KAME_VERSION = 20
-IPV6CTL_USE_DEPRECATED = 21
-IPV6CTL_RR_PRUNE = 22
-IPV6CTL_MAPPED_ADDR = 23
-IPV6CTL_V6ONLY = 24
-IPV6CTL_RTEXPIRE = 25
-IPV6CTL_RTMINEXPIRE = 26
-IPV6CTL_RTMAXCACHE = 27
-IPV6CTL_USETEMPADDR = 32
-IPV6CTL_TEMPPLTIME = 33
-IPV6CTL_TEMPVLTIME = 34
-IPV6CTL_AUTO_LINKLOCAL = 35
-IPV6CTL_RIP6STATS = 36
-IPV6CTL_MAXID = 37
diff --git a/Lib/plat-darwin/regen b/Lib/plat-darwin/regen
deleted file mode 100755
index a20cdc15182..00000000000
--- a/Lib/plat-darwin/regen
+++ /dev/null
@@ -1,3 +0,0 @@
-#! /bin/sh
-set -v
-python$EXE ../../Tools/scripts/h2py.py -i '(u_long)' /usr/include/netinet/in.h