diff --git a/src/netif/ppp/ppp.c b/src/netif/ppp/ppp.c
index 7bbe99d5..144943a1 100644
--- a/src/netif/ppp/ppp.c
+++ b/src/netif/ppp/ppp.c
@@ -66,9 +66,9 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "lwip/opt.h"
+#if 0 /* PPP.C DISABLED */
 
-#define RCSID	"$Id: main.c,v 1.156 2008/06/23 11:47:18 paulus Exp $"
+#include "lwip/opt.h"
 
 #include <stdio.h>
 #include <ctype.h>
@@ -122,26 +122,32 @@
 #include "atcp.h"
 #endif
 
-static const char rcsid[] = RCSID;
-
+#if 0
 /* interface vars */
 char ifname[32];		/* Interface name */
 int ifunit;			/* Interface unit number */
+#endif
 
+#if 0
 struct channel *the_channel;
+#endif
 
+#if 0
 char *progname;			/* Name of this program */
 char hostname[MAXNAMELEN];	/* Our hostname */
 //static char pidfilename[MAXPATHLEN];	/* name of pid file */
 //static char linkpidfile[MAXPATHLEN];	/* name of linkname pid file */
 char ppp_devnam[MAXPATHLEN];	/* name of PPP tty (maybe ttypx) */
 uid_t uid;			/* Our real user-id */
+
 struct notifier *pidchange = NULL;
 struct notifier *phasechange = NULL;
 struct notifier *exitnotify = NULL;
 struct notifier *sigreceived = NULL;
 struct notifier *fork_notifier = NULL;
+#endif
 
+#if 0
 int hungup;			/* terminal has been hung up */
 int privileged;			/* we're running as real uid root */
 int need_holdoff;		/* need holdoff period before restarting */
@@ -153,17 +159,25 @@ int doing_callback;		/* != 0 if we are doing callback */
 int ppp_session_number;		/* Session number, for channels with such a
 				   concept (eg PPPoE) */
 int childwait_done;		/* have timed out waiting for children */
+#endif
 
+#if 0
 char db_key[32];
+#endif
 
+#if 0
 int (*holdoff_hook) __P((void)) = NULL;
 int (*new_phase_hook) __P((int)) = NULL;
 void (*snoop_recv_hook) __P((unsigned char *p, int len)) = NULL;
 void (*snoop_send_hook) __P((unsigned char *p, int len)) = NULL;
+#endif
 
+#if 0
 static int conn_running;	/* we have a [dis]connector running */
 static int fd_loop;		/* fd for getting demand-dial packets */
+#endif
 
+#if 0
 int fd_devnull;			/* fd for /dev/null */
 int devfd = -1;			/* fd of underlying device */
 int fd_ppp = -1;		/* fd for talking PPP */
@@ -175,29 +189,37 @@ int listen_time;
 int got_sigusr2;
 int got_sigterm;
 int got_sighup;
+#endif
 
+#if 0
 static sigset_t signals_handled;
 static int waiting;
 static sigjmp_buf sigjmp;
 
 char **script_env;		/* Env. variable values for scripts */
 int s_env_nalloc;		/* # words avail at script_env */
+#endif
 
+#if 0
 u_char outpacket_buf[PPP_MRU+PPP_HDRLEN]; /* buffer for outgoing packet */
 u_char inpacket_buf[PPP_MRU+PPP_HDRLEN]; /* buffer for incoming packet */
+#endif
 
+#if 0
 static int n_children;		/* # child processes still running */
 static int got_sigchld;		/* set if we have received a SIGCHLD */
 
 int privopen;			/* don't lock, open device as root */
 
 char *no_ppp_msg = "Sorry - this system lacks PPP kernel support\n";
+#endif
 
 #if 0 /* UNUSED */
 GIDSET_TYPE groups[NGROUPS_MAX];/* groups the user is in */
 int ngroups;			/* How many groups valid in groups */
 #endif /* UNUSED */
 
+#if 0
 //static struct timeval start_time;	/* Time when link was started. */
 
 //static struct pppd_stats old_link_stats;
@@ -224,6 +246,7 @@ struct subprocess {
 };
 
 static struct subprocess *children;
+#endif
 
 /* Prototypes for procedures local to this file. */
 
@@ -253,9 +276,11 @@ static void handle_events __P((void));
 void print_link_stats __P((void));
 #endif
 
+#if 0
 extern	char	*ttyname __P((int));
 extern	char	*getlogin __P((void));
 //int main __P((int, char *[]));
+#endif
 
 #ifdef ultrix
 #undef	O_NONBLOCK
@@ -1821,3 +1846,5 @@ script_unsetenv(var)
     }
 }
 #endif /* UNUSED */
+
+#endif /* PPP.C DISABLED */
diff --git a/src/netif/ppp/pppd.h b/src/netif/ppp/pppd.h
index 3409d6c3..ee535a2d 100644
--- a/src/netif/ppp/pppd.h
+++ b/src/netif/ppp/pppd.h
@@ -220,10 +220,10 @@ struct notifier {
  */
 
 extern int	hungup;		/* Physical layer has disconnected */
-extern int	ifunit;		/* Interface unit number */
-extern char	ifname[];	/* Interface name */
+//extern int	ifunit;		/* Interface unit number */
+//extern char	ifname[];	/* Interface name */
 extern char	hostname[];	/* Our hostname */
-extern u_char	outpacket_buf[]; /* Buffer for outgoing packets */
+//extern u_char	outpacket_buf[]; /* Buffer for outgoing packets */
 extern int	devfd;		/* fd of underlying device */
 extern int	fd_ppp;		/* fd for talking PPP */
 extern int	phase;		/* Current state of link - see values below */
@@ -233,7 +233,7 @@ extern int	redirect_stderr;/* Connector's stderr should go to file */
 extern char	peer_authname[];/* Authenticated name of peer */
 extern int	auth_done[NUM_PPP]; /* Methods actually used for auth */
 extern int	privileged;	/* We were run by real-uid root */
-extern int	need_holdoff;	/* Need holdoff period after link terminates */
+//extern int	need_holdoff;	/* Need holdoff period after link terminates */
 extern char	**script_env;	/* Environment variables for scripts */
 extern int	detached;	/* Have detached from controlling tty */
 #if 0
@@ -249,18 +249,18 @@ extern int	using_pty;	/* using pty as device (notty or pty opt.) */
 extern int	log_to_fd;	/* logging to this fd as well as syslog */
 extern bool	log_default;	/* log_to_fd is default (stdout) */
 extern char	*no_ppp_msg;	/* message to print if ppp not in kernel */
-extern volatile int status;	/* exit status for pppd */
+//extern volatile int status;	/* exit status for pppd */
 extern bool	devnam_fixed;	/* can no longer change devnam */
-extern int	unsuccess;	/* # unsuccessful connection attempts */
+//extern int	unsuccess;	/* # unsuccessful connection attempts */
 extern int	do_callback;	/* set if we want to do callback next */
 extern int	doing_callback;	/* set if this is a callback */
-extern int	error_count;	/* # of times error() has been called */
-extern char	ppp_devnam[MAXPATHLEN];
+//extern int	error_count;	/* # of times error() has been called */
+//extern char	ppp_devnam[MAXPATHLEN];
 extern char     remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
 extern int      ppp_session_number; /* Session number (eg PPPoE session) */
 extern int	fd_devnull;	/* fd open to /dev/null */
 
-extern int	listen_time;	/* time to listen first (ms) */
+//extern int	listen_time;	/* time to listen first (ms) */
 extern bool	doing_multilink;
 extern bool	multilink_master;
 extern bool	bundle_eof;
@@ -466,6 +466,7 @@ struct protent {
 extern struct protent *protocols[];
 #endif
 
+#if 0
 /*
  * This struct contains pointers to a set of procedures for
  * doing operations on a "channel".  A channel provides a way
@@ -501,6 +502,7 @@ struct channel {
 };
 
 extern struct channel *the_channel;
+#endif
 
 /*
  * Prototypes.
@@ -768,6 +770,7 @@ int parse_dotted_ip __P((char *, u_int32_t *));
 /*
  * Hooks to enable plugins to change various things.
  */
+#if 0
 extern int (*new_phase_hook) __P((int));
 extern int (*idle_time_hook) __P((struct ppp_idle *));
 extern int (*holdoff_hook) __P((void));
@@ -789,6 +792,7 @@ extern void (*multilink_join_hook) __P((void));
 /* Let a plugin snoop sent and received packets.  Useful for L2TP */
 extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
 extern void (*snoop_send_hook) __P((unsigned char *p, int len));
+#endif
 
 /*
  * Inline versions of get/put char/short/long.
diff --git a/src/netif/ppp/pppmy.c b/src/netif/ppp/pppmy.c
index 34ef073c..38bed369 100644
--- a/src/netif/ppp/pppmy.c
+++ b/src/netif/ppp/pppmy.c
@@ -39,8 +39,27 @@
 #include "ecp.h"
 #endif /* EAP_SUPPORT */
 
-/* FIXME: add a phase per PPP session */
+
+/*
+ * Global variables.
+ */
+/* FIXME: global variables per PPP session */
+/* FIXME: clean global variables */
 int phase;			/* where the link is at */
+int error_count;		/* # of times error() has been called */
+int unsuccess;			/* # unsuccessful connection attempts */
+int listen_time;		/* time to listen first (ms) */
+int status;			/* exit status for pppd */
+int need_holdoff;		/* need holdoff period before restarting */
+/* FIXME: remove ifunit */
+int ifunit;			/* Interface unit number */
+
+/* FIXME: outpacket_buf per PPP session */
+u_char outpacket_buf[PPP_MRU+PPP_HDRLEN]; /* buffer for outgoing packet */
+
+#if PPPOS_SUPPORT
+u_char inpacket_buf[PPP_MRU+PPP_HDRLEN]; /* buffer for incoming packet */
+#endif /* PPPOS_SUPPORT */
 
 /* FIXME: add stats per PPP session */
 #if PPP_STATS_SUPPORT
@@ -491,6 +510,7 @@ int ppp_init(void) {
     struct protent *protp;
 
     debug = 1;
+    ifunit = 1; /* FIXME: remove ifunit */
 
     openlog("LWIP-PPP", LOG_PID | LOG_NDELAY, LOG_PPP);
     setlogmask(LOG_UPTO(LOG_DEBUG));
diff --git a/src/netif/ppp/pppmy.h b/src/netif/ppp/pppmy.h
index e53c0e14..d799514c 100644
--- a/src/netif/ppp/pppmy.h
+++ b/src/netif/ppp/pppmy.h
@@ -21,6 +21,20 @@
 typedef unsigned char	bool;
 #endif
 
+/* FIXME: global variables per PPP session */
+
+/*
+ * Global variables.
+ */
+extern int	error_count;	/* # of times error() has been called */
+extern int	unsuccess;	/* # unsuccessful connection attempts */
+extern int	listen_time;	/* time to listen first (ms) */
+extern int	status;		/* exit status for pppd */
+extern int	need_holdoff;	/* Need holdoff period after link terminates */
+/* FIXME: remove ifunit */
+extern int	ifunit;		/* Interface unit number */
+extern u_char	outpacket_buf[]; /* Buffer for outgoing packets */
+
 /*
  * The following struct gives the addresses of procedures to call
  * for a particular protocol.