diff --git a/cmd/zdump/zdump.c b/cmd/zdump/zdump.c
deleted file mode 100644
index 3bd76e1a0c..0000000000
--- a/cmd/zdump/zdump.c
+++ /dev/null
@@ -1,648 +0,0 @@
-/*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-/*
- * zdump 7.24
- * Taken from elsie.nci.nih.gov to replace the existing Solaris zdump,
- * which was based on an earlier version of the elsie code.
- *
- * For zdump 7.24, the following changes were made to the elsie code:
- *   locale/textdomain/messages to match existing Solaris style.
- *   Solaris verbose mode is documented to display the current time first.
- *   cstyle cleaned code.
- *   removed old locale/textdomain code.
- */
-
-static char	elsieid[] = "@(#)zdump.c	7.74";
-
-/*
- * This code has been made independent of the rest of the time
- * conversion package to increase confidence in the verification it provides.
- * You can use this code to help in verifying other implementations.
- */
-
-#include "stdio.h"	/* for stdout, stderr, perror */
-#include "string.h"	/* for strcpy */
-#include "sys/types.h"	/* for time_t */
-#include "time.h"	/* for struct tm */
-#include "stdlib.h"	/* for exit, malloc, atoi */
-#include "locale.h"	/* for setlocale, textdomain */
-#include "libintl.h"
-#include <ctype.h>
-#include "tzfile.h"	/* for defines */
-#include <limits.h>
-
-#ifndef ZDUMP_LO_YEAR
-#define	ZDUMP_LO_YEAR	(-500)
-#endif /* !defined ZDUMP_LO_YEAR */
-
-#ifndef ZDUMP_HI_YEAR
-#define	ZDUMP_HI_YEAR	2500
-#endif /* !defined ZDUMP_HI_YEAR */
-
-#ifndef MAX_STRING_LENGTH
-#define	MAX_STRING_LENGTH	1024
-#endif /* !defined MAX_STRING_LENGTH */
-
-#ifndef TRUE
-#define	TRUE		1
-#endif /* !defined TRUE */
-
-#ifndef FALSE
-#define	FALSE		0
-#endif /* !defined FALSE */
-
-#ifndef isleap_sum
-/*
- * See tzfile.h for details on isleap_sum.
- */
-#define	isleap_sum(a, b)	isleap((a) % 400 + (b) % 400)
-#endif /* !defined isleap_sum */
-
-#ifndef SECSPERDAY
-#define	SECSPERDAY	((long)SECSPERHOUR * HOURSPERDAY)
-#endif
-#define	SECSPERNYEAR	(SECSPERDAY * DAYSPERNYEAR)
-#define	SECSPERLYEAR	(SECSPERNYEAR + SECSPERDAY)
-
-#ifndef GNUC_or_lint
-#ifdef lint
-#define	GNUC_or_lint
-#else /* !defined lint */
-#ifdef __GNUC__
-#define	GNUC_or_lint
-#endif /* defined __GNUC__ */
-#endif /* !defined lint */
-#endif /* !defined GNUC_or_lint */
-
-#ifndef INITIALIZE
-#ifdef	GNUC_or_lint
-#define	INITIALIZE(x)	((x) = 0)
-#else /* !defined GNUC_or_lint */
-#define	INITIALIZE(x)
-#endif /* !defined GNUC_or_lint */
-#endif /* !defined INITIALIZE */
-
-static time_t	absolute_min_time;
-static time_t	absolute_max_time;
-static size_t	longest;
-static char	*progname;
-static int	warned;
-
-static char	*abbr(struct tm *);
-static void	abbrok(const char *, const char *);
-static long	delta(struct tm *, struct tm *);
-static void	dumptime(const struct tm *);
-static time_t	hunt(char *, time_t, time_t);
-static void	setabsolutes(void);
-static void	show(char *, time_t, int);
-static void	usage(void);
-static const char	*tformat(void);
-static time_t	yeartot(long y);
-
-#ifndef TYPECHECK
-#define	my_localtime	localtime
-#else /* !defined TYPECHECK */
-static struct tm *
-my_localtime(time_t *tp)
-{
-	register struct tm *tmp;
-
-	tmp = localtime(tp);
-	if (tp != NULL && tmp != NULL) {
-		struct tm	tm;
-		register time_t	t;
-
-		tm = *tmp;
-		t = mktime(&tm);
-		if (t - *tp >= 1 || *tp - t >= 1) {
-			(void) fflush(stdout);
-			(void) fprintf(stderr, "\n%s: ", progname);
-			(void) fprintf(stderr, tformat(), *tp);
-			(void) fprintf(stderr, " ->");
-			(void) fprintf(stderr, " year=%d", tmp->tm_year);
-			(void) fprintf(stderr, " mon=%d", tmp->tm_mon);
-			(void) fprintf(stderr, " mday=%d", tmp->tm_mday);
-			(void) fprintf(stderr, " hour=%d", tmp->tm_hour);
-			(void) fprintf(stderr, " min=%d", tmp->tm_min);
-			(void) fprintf(stderr, " sec=%d", tmp->tm_sec);
-			(void) fprintf(stderr, " isdst=%d", tmp->tm_isdst);
-			(void) fprintf(stderr, " -> ");
-			(void) fprintf(stderr, tformat(), t);
-			(void) fprintf(stderr, "\n");
-		}
-	}
-	return (tmp);
-}
-#endif /* !defined TYPECHECK */
-
-static void
-abbrok(const char *abbrp, const char *zone)
-{
-	register const char *cp;
-	int error = 0;
-
-	if (warned)
-		return;
-	cp = abbrp;
-	while (isascii(*cp) && isalpha((unsigned char)*cp))
-		++cp;
-	(void) fflush(stdout);
-	if (cp - abbrp == 0) {
-		/*
-		 * TRANSLATION_NOTE
-		 * The first %s prints for the program name (zdump),
-		 * the second %s prints the timezone name, the third
-		 * %s prints the timezone abbreviation (tzname[0] or
-		 * tzname[1]).
-		 */
-		(void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
-		    "abbreviation \"%s\" lacks alphabetic at start\n"),
-		    progname, zone, abbrp);
-		error = 1;
-	} else if (cp - abbrp < 3) {
-		(void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
-		    "abbreviation \"%s\" has fewer than 3 alphabetics\n"),
-		    progname, zone, abbrp);
-		error = 1;
-	} else if (cp - abbrp > 6) {
-		(void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
-		    "abbreviation \"%s\" has more than 6 alphabetics\n"),
-		    progname, zone, abbrp);
-		error = 1;
-	}
-	if (error == 0 && (*cp == '+' || *cp == '-')) {
-		++cp;
-		if (isascii(*cp) && isdigit((unsigned char)*cp))
-			if (*cp++ == '1' && *cp >= '0' && *cp <= '4')
-				++cp;
-		if (*cp != '\0') {
-			(void) fprintf(stderr, gettext("%s: warning: "
-			    "zone \"%s\" abbreviation \"%s\" differs from "
-			    "POSIX standard\n"), progname, zone, abbrp);
-			error = 1;
-		}
-	}
-	if (error)
-		warned = TRUE;
-}
-
-int
-main(int argc, char *argv[])
-{
-	register int		i;
-	register int		c;
-	register int		vflag;
-	register char		*cutarg;
-	register long		cutloyear = ZDUMP_LO_YEAR;
-	register long		cuthiyear = ZDUMP_HI_YEAR;
-	register time_t		cutlotime;
-	register time_t		cuthitime;
-	time_t			now;
-	time_t			t;
-	time_t			newt;
-	struct tm		tm;
-	struct tm		newtm;
-	register struct tm	*tmp;
-	register struct tm	*newtmp;
-
-	INITIALIZE(cutlotime);
-	INITIALIZE(cuthitime);
-
-	(void) setlocale(LC_ALL, "");
-#if !defined(TEXT_DOMAIN)		/* Should be defined by cc -D */
-#define	TEXT_DOMAIN	"SYS_TEST"	/* Use this only if it weren't */
-#endif
-	(void) textdomain(TEXT_DOMAIN);
-
-	progname = argv[0];
-	for (i = 1; i < argc; ++i)
-		if (strcmp(argv[i], "--version") == 0) {
-			(void) printf("%s\n", elsieid);
-			exit(EXIT_SUCCESS);
-		}
-	vflag = 0;
-	cutarg = NULL;
-	while ((c = getopt(argc, argv, "c:v")) == 'c' || c == 'v')
-		if (c == 'v')
-			vflag = 1;
-		else	cutarg = optarg;
-	if (c != EOF ||
-		(optind == argc - 1 && strcmp(argv[optind], "=") == 0)) {
-			usage();
-			/* NOTREACHED */
-	}
-	if (vflag) {
-		if (cutarg != NULL) {
-			long	lo;
-			long	hi;
-			char	dummy;
-
-			if (sscanf(cutarg, "%ld%c", &hi, &dummy) == 1) {
-				cuthiyear = hi;
-			} else if (sscanf(cutarg, "%ld,%ld%c",
-				&lo, &hi, &dummy) == 2) {
-					cutloyear = lo;
-					cuthiyear = hi;
-			} else {
-(void) fprintf(stderr, gettext("%s: wild -c argument %s\n"),
-					progname, cutarg);
-				exit(EXIT_FAILURE);
-			}
-		}
-		setabsolutes();
-		cutlotime = yeartot(cutloyear);
-		cuthitime = yeartot(cuthiyear);
-	}
-	(void) time(&now);
-	longest = 0;
-	for (i = optind; i < argc; ++i)
-		if (strlen(argv[i]) > longest)
-			longest = strlen(argv[i]);
-
-	for (i = optind; i < argc; ++i) {
-		static char	buf[MAX_STRING_LENGTH];
-		static char	*tzp = NULL;
-
-		(void) unsetenv("TZ");
-		if (tzp != NULL)
-			free(tzp);
-		if ((tzp = malloc(3 + strlen(argv[i]) + 1)) == NULL) {
-			perror(progname);
-			exit(EXIT_FAILURE);
-		}
-		(void) strcpy(tzp, "TZ=");
-		(void) strcat(tzp, argv[i]);
-		if (putenv(tzp) != 0) {
-			perror(progname);
-			exit(EXIT_FAILURE);
-		}
-		if (!vflag) {
-			show(argv[i], now, FALSE);
-			continue;
-		}
-
-#if defined(sun)
-		/*
-		 * We show the current time first, probably because we froze
-		 * the behavior of zdump some time ago and then it got
-		 * changed.
-		 */
-		show(argv[i], now, TRUE);
-#endif
-		warned = FALSE;
-		t = absolute_min_time;
-		show(argv[i], t, TRUE);
-		t += SECSPERHOUR * HOURSPERDAY;
-		show(argv[i], t, TRUE);
-		if (t < cutlotime)
-			t = cutlotime;
-		tmp = my_localtime(&t);
-		if (tmp != NULL) {
-			tm = *tmp;
-			(void) strncpy(buf, abbr(&tm), sizeof (buf) - 1);
-		}
-		for (;;) {
-			if (t >= cuthitime)
-				break;
-			/* check if newt will overrun maximum time_t value */
-			if (t > LONG_MAX - (SECSPERHOUR * 12))
-				break;
-			newt = t + SECSPERHOUR * 12;
-			if (newt >= cuthitime)
-				break;
-			newtmp = localtime(&newt);
-			if (newtmp != NULL)
-				newtm = *newtmp;
-			if ((tmp == NULL || newtmp == NULL) ? (tmp != newtmp) :
-				(delta(&newtm, &tm) != (newt - t) ||
-				newtm.tm_isdst != tm.tm_isdst ||
-				strcmp(abbr(&newtm), buf) != 0)) {
-					newt = hunt(argv[i], t, newt);
-					newtmp = localtime(&newt);
-					if (newtmp != NULL) {
-						newtm = *newtmp;
-						(void) strncpy(buf,
-							abbr(&newtm),
-							sizeof (buf) - 1);
-					}
-			}
-			t = newt;
-			tm = newtm;
-			tmp = newtmp;
-		}
-		t = absolute_max_time;
-#if defined(sun)
-		show(argv[i], t, TRUE);
-		t -= SECSPERHOUR * HOURSPERDAY;
-		show(argv[i], t, TRUE);
-#else /* !defined(sun) */
-		t -= SECSPERHOUR * HOURSPERDAY;
-		show(argv[i], t, TRUE);
-		t += SECSPERHOUR * HOURSPERDAY;
-		show(argv[i], t, TRUE);
-#endif /* !defined(sun) */
-	}
-	if (fflush(stdout) || ferror(stdout)) {
-		(void) fprintf(stderr, "%s: ", progname);
-		(void) perror(gettext("Error writing standard output"));
-		exit(EXIT_FAILURE);
-	}
-	return (EXIT_SUCCESS);
-}
-
-static void
-setabsolutes(void)
-{
-#if defined(sun)
-	absolute_min_time = LONG_MIN;
-	absolute_max_time = LONG_MAX;
-#else
-	if (0.5 == (time_t)0.5) {
-		/*
-		 * time_t is floating.
-		 */
-		if (sizeof (time_t) == sizeof (float)) {
-			absolute_min_time = (time_t)-FLT_MAX;
-			absolute_max_time = (time_t)FLT_MAX;
-		} else if (sizeof (time_t) == sizeof (double)) {
-			absolute_min_time = (time_t)-DBL_MAX;
-			absolute_max_time = (time_t)DBL_MAX;
-		} else {
-			(void) fprintf(stderr, gettext("%s: use of -v on "
-			    "system with floating time_t other than float "
-			    "or double\n"), progname);
-			exit(EXIT_FAILURE);
-		}
-	} else
-	/*CONSTANTCONDITION*/
-	if (0 > (time_t)-1) {
-		/*
-		 * time_t is signed.
-		 */
-		register time_t	hibit;
-
-		for (hibit = 1; (hibit * 2) != 0; hibit *= 2)
-			continue;
-		absolute_min_time = hibit;
-		absolute_max_time = -(hibit + 1);
-	} else {
-		/*
-		 * time_t is unsigned.
-		 */
-		absolute_min_time = 0;
-		absolute_max_time = absolute_min_time - 1;
-	}
-#endif
-}
-
-static time_t
-yeartot(const long y)
-{
-	register long	myy;
-	register long	seconds;
-	register time_t	t;
-
-	myy = EPOCH_YEAR;
-	t = 0;
-	while (myy != y) {
-		if (myy < y) {
-			seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
-			++myy;
-			if (t > absolute_max_time - seconds) {
-				t = absolute_max_time;
-				break;
-			}
-			t += seconds;
-		} else {
-			--myy;
-			seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
-			if (t < absolute_min_time + seconds) {
-				t = absolute_min_time;
-				break;
-			}
-			t -= seconds;
-		}
-	}
-	return (t);
-}
-
-static time_t
-hunt(char *name, time_t lot, time_t hit)
-{
-	time_t			t;
-	long			diff;
-	struct tm		lotm;
-	register struct tm	*lotmp;
-	struct tm		tm;
-	register struct tm	*tmp;
-	char			loab[MAX_STRING_LENGTH];
-
-	lotmp = my_localtime(&lot);
-	if (lotmp != NULL) {
-		lotm = *lotmp;
-		(void) strncpy(loab, abbr(&lotm), sizeof (loab) - 1);
-	}
-	for (;;) {
-		diff = (long)(hit - lot);
-		if (diff < 2)
-			break;
-		t = lot;
-		t += diff / 2;
-		if (t <= lot)
-			++t;
-		else if (t >= hit)
-			--t;
-		tmp = my_localtime(&t);
-		if (tmp != NULL)
-			tm = *tmp;
-		if ((lotmp == NULL || tmp == NULL) ? (lotmp == tmp) :
-			(delta(&tm, &lotm) == (t - lot) &&
-			tm.tm_isdst == lotm.tm_isdst &&
-			strcmp(abbr(&tm), loab) == 0)) {
-				lot = t;
-				lotm = tm;
-				lotmp = tmp;
-		} else	hit = t;
-	}
-	show(name, lot, TRUE);
-	show(name, hit, TRUE);
-	return (hit);
-}
-
-/*
- * Thanks to Paul Eggert for logic used in delta.
- */
-
-static long
-delta(struct tm *newp, struct tm *oldp)
-{
-	register long	result;
-	register int	tmy;
-
-	if (newp->tm_year < oldp->tm_year)
-		return (-delta(oldp, newp));
-	result = 0;
-	for (tmy = oldp->tm_year; tmy < newp->tm_year; ++tmy)
-		result += DAYSPERNYEAR + isleap_sum(tmy, TM_YEAR_BASE);
-	result += newp->tm_yday - oldp->tm_yday;
-	result *= HOURSPERDAY;
-	result += newp->tm_hour - oldp->tm_hour;
-	result *= MINSPERHOUR;
-	result += newp->tm_min - oldp->tm_min;
-	result *= SECSPERMIN;
-	result += newp->tm_sec - oldp->tm_sec;
-	return (result);
-}
-
-static void
-show(char *zone, time_t t, int v)
-{
-	register struct tm	*tmp;
-
-	(void) printf("%-*s  ", (int)longest, zone);
-	if (v) {
-		tmp = gmtime(&t);
-		if (tmp == NULL) {
-			(void) printf(tformat(), t);
-		} else {
-			dumptime(tmp);
-			(void) printf(" UTC");
-		}
-		(void) printf(" = ");
-	}
-	tmp = my_localtime(&t);
-	dumptime(tmp);
-	if (tmp != NULL) {
-		if (*abbr(tmp) != '\0')
-			(void) printf(" %s", abbr(tmp));
-		if (v) {
-			(void) printf(" isdst=%d", tmp->tm_isdst);
-#ifdef TM_GMTOFF
-			(void) printf(" gmtoff=%ld", tmp->TM_GMTOFF);
-#endif /* defined TM_GMTOFF */
-		}
-	}
-	(void) printf("\n");
-	if (tmp != NULL && *abbr(tmp) != '\0')
-		abbrok(abbr(tmp), zone);
-}
-
-static char *
-abbr(struct tm *tmp)
-{
-	register char	*result;
-	static char	nada;
-
-	if (tmp->tm_isdst != 0 && tmp->tm_isdst != 1)
-		return (&nada);
-	result = tzname[tmp->tm_isdst];
-	return ((result == NULL) ? &nada : result);
-}
-
-/*
- * The code below can fail on certain theoretical systems;
- * it works on all known real-world systems as of 2004-12-30.
- */
-
-static const char *
-tformat(void)
-{
-#if defined(sun)
-	/* time_t is signed long */
-	return ("%ld");
-#else
-	/*CONSTANTCONDITION*/
-	if (0.5 == (time_t)0.5) {	/* floating */
-		/*CONSTANTCONDITION*/
-		if (sizeof (time_t) > sizeof (double))
-			return ("%Lg");
-		return ("%g");
-	}
-	/*CONSTANTCONDITION*/
-	if (0 > (time_t)-1) {		/* signed */
-		/*CONSTANTCONDITION*/
-		if (sizeof (time_t) > sizeof (long))
-			return ("%lld");
-		/*CONSTANTCONDITION*/
-		if (sizeof (time_t) > sizeof (int))
-			return ("%ld");
-		return ("%d");
-	}
-	/*CONSTANTCONDITION*/
-	if (sizeof (time_t) > sizeof (unsigned long))
-		return ("%llu");
-	/*CONSTANTCONDITION*/
-	if (sizeof (time_t) > sizeof (unsigned int))
-		return ("%lu");
-	return ("%u");
-#endif
-}
-
-static void
-dumptime(register const struct tm *timeptr)
-{
-	static const char	wday_name[][3] = {
-		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-	};
-	static const char	mon_name[][3] = {
-		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-	};
-	register const char	*wn;
-	register const char	*mn;
-	register int		lead;
-	register int		trail;
-
-	if (timeptr == NULL) {
-		(void) printf("NULL");
-		return;
-	}
-	/*
-	 * The packaged versions of localtime and gmtime never put out-of-range
-	 * values in tm_wday or tm_mon, but since this code might be compiled
-	 * with other (perhaps experimental) versions, paranoia is in order.
-	 */
-	if (timeptr->tm_wday < 0 || timeptr->tm_wday >=
-		(int)(sizeof (wday_name) / sizeof (wday_name[0])))
-			wn = "???";
-	else		wn = wday_name[timeptr->tm_wday];
-	if (timeptr->tm_mon < 0 || timeptr->tm_mon >=
-		(int)(sizeof (mon_name) / sizeof (mon_name[0])))
-			mn = "???";
-	else		mn = mon_name[timeptr->tm_mon];
-	(void) printf("%.3s %.3s%3d %.2d:%.2d:%.2d ",
-		wn, mn,
-		timeptr->tm_mday, timeptr->tm_hour,
-		timeptr->tm_min, timeptr->tm_sec);
-#define	DIVISOR	10
-	trail = timeptr->tm_year % DIVISOR + TM_YEAR_BASE % DIVISOR;
-	lead = timeptr->tm_year / DIVISOR + TM_YEAR_BASE / DIVISOR +
-		trail / DIVISOR;
-	trail %= DIVISOR;
-	if (trail < 0 && lead > 0) {
-		trail += DIVISOR;
-		--lead;
-	} else if (lead < 0 && trail > 0) {
-		trail -= DIVISOR;
-		++lead;
-	}
-	if (lead == 0)
-		(void) printf("%d", trail);
-	else
-		(void) printf("%d%d", lead, ((trail < 0) ? -trail : trail));
-}
-
-static void
-usage(void)
-{
-	(void) fprintf(stderr, gettext(
-	    "%s: [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
-		progname);
-	exit(EXIT_FAILURE);
-	/* NOTREACHED */
-}
diff --git a/scripts/update-zfs.sh b/scripts/update-zfs.sh
index ff042c9ea7..b9407d0989 100755
--- a/scripts/update-zfs.sh
+++ b/scripts/update-zfs.sh
@@ -125,10 +125,6 @@ echo "* cmd/zdb"
 mkdir -p ${DST_CMD}/zdb/
 cp ${SRC_CMD}/zdb/*.c				${DST_CMD}/zdb/
 
-echo "* cmd/zdump"
-mkdir -p ${DST_CMD}/zdump
-cp ${SRC_CMD}/zdump/*.c				${DST_CMD}/zdump/
-
 echo "* cmd/zinject"
 mkdir -p ${DST_CMD}/zinject
 cp ${SRC_CMD}/zinject/*.c			${DST_CMD}/zinject/