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diff --git a/nuttx/include/nuttx/net/uip/uip-igmp.h b/nuttx/include/nuttx/net/uip/uip-igmp.h
deleted file mode 100644
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--- a/nuttx/include/nuttx/net/uip/uip-igmp.h
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-/****************************************************************************
- * include/nuttx/net/uip/uip-igmp.h
- * The definitions in this header file are intended only for internal use
- * by the NuttX port of the uIP stack.
- *
- * Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * The NuttX implementation of IGMP was inspired by the IGMP add-on for the
- * lwIP TCP/IP stack by Steve Reynolds:
- *
- * Copyright (c) 2002 CITEL Technologies Ltd.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- ****************************************************************************/
-
-#ifndef __INCLUDE_NUTTX_NET_UIP_UIP_IGMP_H
-#define __INCLUDE_NUTTX_NET_UIP_UIP_IGMP_H
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <semaphore.h>
-
-#include <netinet/in.h>
-
-#include <nuttx/net/uip/uip.h>
-#include <nuttx/net/uip/uip-arch.h>
-
-#ifdef CONFIG_NET_IGMP
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-#ifdef CONFIG_NET_IPv6
-# error "IGMP for IPv6 not supported"
-#endif
-
-/* IGMP packet types */
-
-#define IGMP_MEMBERSHIP_QUERY 0x11 /* Membership Query */
-#define IGMPv1_MEMBERSHIP_REPORT 0x12 /* IGMP Ver. 1 Membership Report */
-#define IGMPv2_MEMBERSHIP_REPORT 0x16 /* IGMP Ver. 2 Membership Report */
-#define IGMPv3_MEMBERSHIP_REPORT 0x22 /* IGMP Ver. 3 Membership Report */
-#define IGMP_LEAVE_GROUP 0x17 /* Leave Group */
-
-/* Header sizes:
- *
- * UIP_IGMPH_LEN - Size of IGMP header in bytes
- * UIP_IPIGMPH_LEN - Size of IP + Size of IGMP header + Size of router alert
- */
-
-#define UIP_IGMPH_LEN 8
-#define UIP_IPIGMPH_LEN (UIP_IGMPH_LEN + UIP_IPH_LEN + 4)
-
-/* Group flags */
-
-#define IGMP_PREALLOCATED (1 << 0)
-#define IGMP_LASTREPORT (1 << 1)
-#define IGMP_IDLEMEMBER (1 << 2)
-#define IGMP_SCHEDMSG (1 << 3)
-#define IGMP_WAITMSG (1 << 4)
-
-#define SET_PREALLOCATED(f) do { (f) |= IGMP_PREALLOCATED; } while (0)
-#define SET_LASTREPORT(f) do { (f) |= IGMP_LASTREPORT; } while (0)
-#define SET_IDLEMEMBER(f) do { (f) |= IGMP_IDLEMEMBER; } while (0)
-#define SET_SCHEDMSG(f) do { (f) |= IGMP_SCHEDMSG; } while (0)
-#define SET_WAITMSG(f) do { (f) |= IGMP_WAITMSG; } while (0)
-
-#define CLR_PREALLOCATED(f) do { (f) &= ~IGMP_PREALLOCATED; } while (0)
-#define CLR_LASTREPORT(f) do { (f) &= ~IGMP_LASTREPORT; } while (0)
-#define CLR_IDLEMEMBER(f) do { (f) &= ~IGMP_IDLEMEMBER; } while (0)
-#define CLR_SCHEDMSG(f) do { (f) &= ~IGMP_SCHEDMSG; } while (0)
-#define CLR_WAITMSG(f) do { (f) &= ~IGMP_WAITMSG; } while (0)
-
-#define IS_PREALLOCATED(f) (((f) & IGMP_PREALLOCATED) != 0)
-#define IS_LASTREPORT(f) (((f) & IGMP_LASTREPORT) != 0)
-#define IS_IDLEMEMBER(f) (((f) & IGMP_IDLEMEMBER) != 0)
-#define IS_SCHEDMSG(f) (((f) & IGMP_SCHEDMSG) != 0)
-#define IS_WAITMSG(f) (((f) & IGMP_WAITMSG) != 0)
-
-#define IGMP_TTL 1
-
-/****************************************************************************
- * Public Types
- ****************************************************************************/
-
-/* IGMPv2 packet structure as defined by RFC 2236.
- *
- * The Max Respone Time (maxresp) specifies the time limit for the
- * corresponding report. The field has a resolution of 100 miliseconds, the
- * value is taken directly. This field is meaningful only in Membership Query
- * (0x11); in other messages it is set to 0 and ignored by the receiver.
- */
-
-struct uip_igmphdr_s
-{
-#ifdef CONFIG_NET_IPv6
-
- /* IPv6 Ip header */
-
- uint8_t vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */
- uint8_t tcf; /* Bits 0-3: traffic class (LS), bits 4-7: flow label (MS) */
- uint16_t flow; /* 16-bit flow label (LS) */
- uint8_t len[2]; /* 16-bit Payload length */
- uint8_t proto; /* 8-bit Next header (same as IPv4 protocol field) */
- uint8_t ttl; /* 8-bit Hop limit (like IPv4 TTL field) */
- uip_ip6addr_t srcipaddr; /* 128-bit Source address */
- uip_ip6addr_t destipaddr; /* 128-bit Destination address */
-
-#else /* CONFIG_NET_IPv6 */
-
- /* IPv4 IP header */
-
- uint8_t vhl; /* 8-bit Version (4) and header length (6 with Router Alert) */
- uint8_t tos; /* 8-bit Type of service (e.g., 6=TCP) */
- uint8_t len[2]; /* 16-bit Total length */
- uint8_t ipid[2]; /* 16-bit Identification */
- uint8_t ipoffset[2]; /* 16-bit IP flags + fragment offset */
- uint8_t ttl; /* 8-bit Time to Live */
- uint8_t proto; /* 8-bit Protocol */
- uint16_t ipchksum; /* 16-bit Header checksum */
- uint16_t srcipaddr[2]; /* 32-bit Source IP address */
- uint16_t destipaddr[2]; /* 32-bit Destination IP address */
-
-#endif /* CONFIG_NET_IPv6 */
-
- /* Router Alert IP header option */
-
- uint16_t ra[2];
-
- /* IGMPv2 header:
- *
- * 0 1 2 3
- * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | Type | Max Resp Time | Checksum |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | Group Address |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
-
- uint8_t type; /* 8-bit IGMP packet type */
- uint8_t maxresp; /* 8-bit Max response time */
- uint16_t chksum; /* 16-bit Checksum */
- uint16_t grpaddr[2]; /* 32-bit Group address */
-};
-
-#ifdef CONFIG_NET_STATISTICS
-struct uip_igmp_stats_s
-{
- uint32_t length_errors;
- uint32_t chksum_errors;
- uint32_t v1_received;
- uint32_t joins;
- uint32_t leaves;
- uint32_t leave_sched;
- uint32_t report_sched;
- uint32_t poll_send;
- uint32_t ucast_query;
- uint32_t query_received;
- uint32_t report_received;
-};
-
-# define IGMP_STATINCR(p) ((p)++)
-#else
-# define IGMP_STATINCR(p)
-#endif
-
-/* This structure represents one group member. There is a list of groups
- * for each device interface structure.
- *
- * There will be a group for the all systems group address but this
- * will not run the state machine as it is used to kick off reports
- * from all the other groups
- */
-
-typedef FAR struct wdog_s *WDOG_ID;
-struct igmp_group_s
-{
- struct igmp_group_s *next; /* Implements a singly-linked list */
- uip_ipaddr_t grpaddr; /* Group IP address */
- WDOG_ID wdog; /* WDOG used to detect timeouts */
- sem_t sem; /* Used to wait for message transmission */
- volatile uint8_t flags; /* See IGMP_ flags definitions */
- uint8_t msgid; /* Pending message ID (if non-zero) */
-};
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-#undef EXTERN
-#if defined(__cplusplus)
-#define EXTERN extern "C"
-extern "C" {
-#else
-#define EXTERN extern
-#endif
-
-EXTERN uip_ipaddr_t g_allsystems;
-EXTERN uip_ipaddr_t g_allrouters;
-
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Name: uip_igmpdevinit
- *
- * Description:
- * Called when a new network device is registered to configure that device
- * for IGMP support.
- *
- ****************************************************************************/
-
-EXTERN void uip_igmpdevinit(struct uip_driver_s *dev);
-EXTERN int igmp_joingroup(struct uip_driver_s *dev, FAR const struct in_addr *grpaddr);
-EXTERN int igmp_leavegroup(struct uip_driver_s *dev, FAR const struct in_addr *grpaddr);
-
-#undef EXTERN
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* CONFIG_NET_IGMP */
-#endif /* __INCLUDE_NUTTX_NET_UIP_UIP_IGMP_H */
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