diff --git a/misc.c b/misc.c
index 5dde266..bdffe8a 100644
--- a/misc.c
+++ b/misc.c
@@ -29,7 +29,7 @@
 #include <grp.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.167 2011/06/12 14:45:34 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.168 2011/06/12 15:37:08 tg Exp $");
 
 /* type bits for unsigned char */
 unsigned char chtypes[UCHAR_MAX + 1];
@@ -356,14 +356,6 @@ parse_args(const char **argv,
 				break;
 			}
 			i = option(go.optarg);
-#ifndef MKSH_NO_DEPRECATED_WARNING
-			if ((enum sh_flag)i == FARC4RANDOM) {
-				warningf(true, "Do not use set ±o arc4random,"
-				    " it will be removed in the next version"
-				    " of mksh!");
-				return (0);
-			}
-#endif
 			if ((i != (size_t)-1) && set == Flag(i))
 				/*
 				 * Don't check the context if the flag
diff --git a/mksh.1 b/mksh.1
index e6e7f23..91040ef 100644
--- a/mksh.1
+++ b/mksh.1
@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.263 2011/06/12 15:34:19 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.264 2011/06/12 15:37:09 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.140 2011/04/23 10:14:59 sobrado Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -4044,11 +4044,6 @@ during file name generation.
 Print commands and parameter assignments when they are executed, preceded by
 the value of
 .Ev PS4 .
-.It Ic arc4random
-Deprecated, will be removed in
-.Nm
-R41.
-Do not use, emits a warning to stderr.
 .It Ic bgnice
 Background jobs are run with lower priority.
 .It Ic braceexpand
diff --git a/sh_flags.h b/sh_flags.h
index ee8f865..a850220 100644
--- a/sh_flags.h
+++ b/sh_flags.h
@@ -1,5 +1,5 @@
 #if defined(SHFLAGS_DEFNS)
-__RCSID("$MirOS: src/bin/mksh/sh_flags.h,v 1.8 2011/02/11 01:18:23 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh_flags.h,v 1.9 2011/06/12 15:37:10 tg Exp $");
 #define FN(sname,cname,ochar,flags)	/* nothing */
 #elif defined(SHFLAGS_ENUMS)
 #define FN(sname,cname,ochar,flags)	cname,
@@ -21,9 +21,6 @@ __RCSID("$MirOS: src/bin/mksh/sh_flags.h,v 1.8 2011/02/11 01:18:23 tg Exp $");
 /* -a	all new parameters are created with the export attribute */
 F0("allexport", FEXPORT, 'a', OF_ANY)
 
-/* ./.	backwards compat: dummy, emits a warning */
-FN("arc4random", FARC4RANDOM, 0, OF_ANY)
-
 #if HAVE_NICE
 /* ./.	bgnice */
 FN("bgnice", FBGNICE, 0, OF_ANY)