diff --git a/bin/csh/csh.login b/bin/csh/csh.login
index 283c6d4fddbc..b55ae087590a 100644
--- a/bin/csh/csh.login
+++ b/bin/csh/csh.login
@@ -1,9 +1,6 @@
 # $FreeBSD$
 #
 # System-wide .login file for csh(1).
-# Uncomment this to give you the default 4.2 behavior, where disk
-# information is shown in K-Blocks
-# setenv BLOCKSIZE	K
 #
 # For the setting of languages and character sets please see
 # login.conf(5) and in particular the charset and lang options.
diff --git a/bin/csh/dot.cshrc b/bin/csh/dot.cshrc
index 1fcc9917f0f9..f7a9a3ed0226 100644
--- a/bin/csh/dot.cshrc
+++ b/bin/csh/dot.cshrc
@@ -19,7 +19,6 @@ set path = (/sbin /bin /usr/sbin /usr/bin /usr/local/sbin /usr/local/bin $HOME/b
 
 setenv	EDITOR	vi
 setenv	PAGER	less
-setenv	BLOCKSIZE	K
 
 if ($?prompt) then
 	# An interactive shell -- set some stuff up
diff --git a/bin/sh/profile b/bin/sh/profile
index 23c993c40214..b77c8787c79d 100644
--- a/bin/sh/profile
+++ b/bin/sh/profile
@@ -2,10 +2,6 @@
 #
 # System-wide .profile file for sh(1).
 #
-# Uncomment this to give you the default 4.2 behavior, where disk
-# information is shown in K-Blocks
-# BLOCKSIZE=K; export BLOCKSIZE
-#
 # For the setting of languages and character sets please see
 # login.conf(5) and in particular the charset and lang options.
 # For full locales list check /usr/share/locale/*
diff --git a/share/skel/dot.cshrc b/share/skel/dot.cshrc
index 47093f7b49ca..e923e4676742 100644
--- a/share/skel/dot.cshrc
+++ b/share/skel/dot.cshrc
@@ -15,7 +15,6 @@ alias ll	ls -lAF
 # These are normally set through /etc/login.conf.  You may override them here
 # if wanted.
 # set path = (/sbin /bin /usr/sbin /usr/bin /usr/local/sbin /usr/local/bin $HOME/bin)
-# setenv	BLOCKSIZE	K
 # A righteous umask
 # umask 22
 
diff --git a/share/skel/dot.profile b/share/skel/dot.profile
index 646a55b96b4b..02623293b592 100644
--- a/share/skel/dot.profile
+++ b/share/skel/dot.profile
@@ -8,7 +8,6 @@
 # These are normally set through /etc/login.conf.  You may override them here
 # if wanted.
 # PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:$HOME/bin; export PATH
-# BLOCKSIZE=K;	export BLOCKSIZE
 
 # Setting TERM is normally done through /etc/ttys.  Do only override
 # if you're sure that you'll never log in via telnet or xterm or a