diff --git a/usr.bin/getconf/getconf.1 b/usr.bin/getconf/getconf.1
index 29a2026e5ea1..6b5116c704b5 100644
--- a/usr.bin/getconf/getconf.1
+++ b/usr.bin/getconf/getconf.1
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 18, 2002
+.Dd August 8, 2016
 .Dt GETCONF 1
 .Os
 .Sh NAME
@@ -122,7 +122,7 @@ Exactly 32-bit integer, long, and pointer; at least 64-bit file offset.
 .It Li POSIX_V6_LP64_OFF64
 Exactly 32-bit integer; exactly 64-bit long, pointer, and file offset.
 .Sy Supported platforms :
-.Tn Alpha ,
+.Tn AMD64 ,
 .Tn SPARC64 .
 .It Li POSIX_V6_LPBIG_OFFBIG
 At least 32-bit integer; at least 64-bit long, pointer, and file offset.
diff --git a/usr.bin/getconf/progenv.gperf b/usr.bin/getconf/progenv.gperf
index 40ce16a16069..481055393b79 100644
--- a/usr.bin/getconf/progenv.gperf
+++ b/usr.bin/getconf/progenv.gperf
@@ -30,7 +30,7 @@ static const struct map *in_word_set(const char *str);
  * be updated.  (We cheat here and define the supported environments
  * statically.)
  */
-#if defined(__alpha__) || defined(__sparc64__) || defined(__amd64__)
+#if defined(__sparc64__) || defined(__amd64__)
 #define	have_LP64_OFF64		NULL
 #endif