Index: bin/date/date.c
===================================================================
--- bin/date/date.c
+++ bin/date/date.c
@@ -91,14 +91,12 @@
 int
 main(int argc, char *argv[])
 {
-	struct timezone tz;
 	int ch, rflag;
 	bool Iflag, jflag, nflag, Rflag;
 	const char *format;
 	char buf[1024];
 	char *endptr, *fmt;
 	char *tmp;
-	int set_timezone;
 	struct vary *v;
 	const struct vary *badv;
 	struct tm *lt;
@@ -108,18 +106,10 @@
 	v = NULL;
 	fmt = NULL;
 	(void) setlocale(LC_TIME, "");
-	tz.tz_dsttime = tz.tz_minuteswest = 0;
 	rflag = 0;
 	Iflag = jflag = nflag = Rflag = 0;
-	set_timezone = 0;
-	while ((ch = getopt(argc, argv, "d:f:I::jnRr:t:uv:")) != -1)
+	while ((ch = getopt(argc, argv, "f:I::jnRr:uv:")) != -1)
 		switch((char)ch) {
-		case 'd':		/* daylight savings time */
-			tz.tz_dsttime = strtol(optarg, &endptr, 10) ? 1 : 0;
-			if (endptr == optarg || *endptr != '\0')
-				usage();
-			set_timezone = 1;
-			break;
 		case 'f':
 			fmt = optarg;
 			break;
@@ -160,13 +150,6 @@
 					usage();
 			}
 			break;
-		case 't':		/* minutes west of UTC */
-					/* error check; don't allow "PST" */
-			tz.tz_minuteswest = strtol(optarg, &endptr, 10);
-			if (endptr == optarg || *endptr != '\0')
-				usage();
-			set_timezone = 1;
-			break;
 		case 'u':		/* do everything in UTC */
 			(void)setenv("TZ", "UTC0", 1);
 			break;
@@ -179,13 +162,6 @@
 	argc -= optind;
 	argv += optind;
 
-	/*
-	 * If -d or -t, set the timezone or daylight savings time; this
-	 * doesn't belong here; the kernel should not know about either.
-	 */
-	if (set_timezone && settimeofday(NULL, &tz) != 0)
-		err(1, "settimeofday (timezone)");
-
 	if (!rflag && time(&tval) == -1)
 		err(1, "time");
 
@@ -411,8 +387,7 @@
 usage(void)
 {
 	(void)fprintf(stderr, "%s\n%s\n%s\n",
-	    "usage: date [-jnRu] [-d dst] [-r seconds|file] [-t west] "
-	    "[-v[+|-]val[ymwdHMS]]",
+	    "usage: date [-jnRu] [-r seconds|file] [-v[+|-]val[ymwdHMS]]",
 	    "            "
 	    "[-I[date | hours | minutes | seconds]]",
 	    "            "
Index: sys/amd64/linux32/linux32_machdep.c
===================================================================
--- sys/amd64/linux32/linux32_machdep.c
+++ sys/amd64/linux32/linux32_machdep.c
@@ -674,8 +674,8 @@
 		error = copyout(&atv32, uap->tp, sizeof(atv32));
 	}
 	if (error == 0 && uap->tzp != NULL) {
-		rtz.tz_minuteswest = tz_minuteswest;
-		rtz.tz_dsttime = tz_dsttime;
+		rtz.tz_minuteswest = 0;
+		rtz.tz_dsttime = 0;
 		error = copyout(&rtz, uap->tzp, sizeof(rtz));
 	}
 	return (error);
Index: sys/compat/freebsd32/freebsd32_misc.c
===================================================================
--- sys/compat/freebsd32/freebsd32_misc.c
+++ sys/compat/freebsd32/freebsd32_misc.c
@@ -834,8 +834,8 @@
 		error = copyout(&atv32, uap->tp, sizeof (atv32));
 	}
 	if (error == 0 && uap->tzp != NULL) {
-		rtz.tz_minuteswest = tz_minuteswest;
-		rtz.tz_dsttime = tz_dsttime;
+		rtz.tz_minuteswest = 0;
+		rtz.tz_dsttime = 0;
 		error = copyout(&rtz, uap->tzp, sizeof (rtz));
 	}
 	return (error);
Index: sys/kern/kern_time.c
===================================================================
--- sys/kern/kern_time.c
+++ sys/kern/kern_time.c
@@ -660,8 +660,8 @@
 		error = copyout(&atv, uap->tp, sizeof (atv));
 	}
 	if (error == 0 && uap->tzp != NULL) {
-		rtz.tz_minuteswest = tz_minuteswest;
-		rtz.tz_dsttime = tz_dsttime;
+		rtz.tz_minuteswest = 0;
+		rtz.tz_dsttime = 0;
 		error = copyout(&rtz, uap->tzp, sizeof (rtz));
 	}
 	return (error);
@@ -713,10 +713,6 @@
 			return (EINVAL);
 		error = settime(td, tv);
 	}
-	if (tzp && error == 0) {
-		tz_minuteswest = tzp->tz_minuteswest;
-		tz_dsttime = tzp->tz_dsttime;
-	}
 	return (error);
 }
 
Index: sys/kern/subr_clock.c
===================================================================
--- sys/kern/subr_clock.c
+++ sys/kern/subr_clock.c
@@ -52,9 +52,6 @@
 #include <sys/sysctl.h>
 #include <sys/timetc.h>
 
-int tz_minuteswest;
-int tz_dsttime;
-
 /*
  * The adjkerntz and wall_cmos_clock sysctls are in the "machdep" sysctl
  * namespace because they were misplaced there originally.
@@ -386,5 +383,5 @@
 utc_offset(void)
 {
 
-	return (tz_minuteswest * 60 + (wall_cmos_clock ? adjkerntz : 0));
+	return (wall_cmos_clock ? adjkerntz : 0);
 }
Index: sys/sys/clock.h
===================================================================
--- sys/sys/clock.h
+++ sys/sys/clock.h
@@ -51,12 +51,6 @@
 
 #ifdef _KERNEL		/* No user serviceable parts */
 
-/*
- * Timezone info from settimeofday(2), usually not used
- */
-extern int tz_minuteswest;
-extern int tz_dsttime;
-
 int utc_offset(void);
 
 /*