diff --git a/date.1 b/date.1
index 224fa66..1543627 100644
--- a/date.1
+++ b/date.1
@@ -8,10 +8,6 @@ date \- show and set date and time
 [
 .B \-u
 ] [
-.B \-D
-] [
-.B \-S
-] [
 .B \-n
 ] [
 .B \-d
@@ -124,16 +120,6 @@ These options are available:
 .B \-u
 Use GMT when setting and showing the date and time.
 .TP
-.B \-D
-Take the command-line time to be Daylight Saving Time.
-Either this or the
-.B \-S
-option must be used in the witching hour(s) of days when clocks are
-turned back.
-.TP
-.B \-S
-Take the the command-line time to be Standard Time.
-.TP
 .B \-n
 Do not notify other networked systems of the time change.
 .TP