diff --git a/distrib/amd64/cdroms/etc.rc b/distrib/amd64/cdroms/etc.rc
index f14c7658b69a..f865903a63dc 100644
--- a/distrib/amd64/cdroms/etc.rc
+++ b/distrib/amd64/cdroms/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.2 2014/05/19 15:57:04 martin Exp $
+# $NetBSD: etc.rc,v 1.3 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 # mount a few tempfs to allow modifications over the CD contents
 mount -t tmpfs tmpfs /tmp
 mount -t tmpfs tmpfs /var
diff --git a/distrib/amd64/installimage/etc.rc b/distrib/amd64/installimage/etc.rc
index 5876c183dcd9..d3bb36a8b51b 100644
--- a/distrib/amd64/installimage/etc.rc
+++ b/distrib/amd64/installimage/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.1 2012/01/22 03:53:29 tsutsui Exp $
+# $NetBSD: etc.rc,v 1.2 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 mount -u /
 mount -t tmpfs tmpfs /tmp
 
diff --git a/distrib/amd64/uefi-installimage/etc.rc b/distrib/amd64/uefi-installimage/etc.rc
index e42fc909338a..d3bb36a8b51b 100644
--- a/distrib/amd64/uefi-installimage/etc.rc
+++ b/distrib/amd64/uefi-installimage/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.1 2017/01/24 11:16:50 nonaka Exp $
+# $NetBSD: etc.rc,v 1.2 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 mount -u /
 mount -t tmpfs tmpfs /tmp
 
diff --git a/distrib/i386/cdroms/etc.rc b/distrib/i386/cdroms/etc.rc
index f78ea8128aff..f865903a63dc 100644
--- a/distrib/i386/cdroms/etc.rc
+++ b/distrib/i386/cdroms/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.2 2014/05/19 15:57:05 martin Exp $
+# $NetBSD: etc.rc,v 1.3 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 # mount a few tempfs to allow modifications over the CD contents
 mount -t tmpfs tmpfs /tmp
 mount -t tmpfs tmpfs /var
diff --git a/distrib/i386/installimage/etc.rc b/distrib/i386/installimage/etc.rc
index 0af0f6320fe5..d3bb36a8b51b 100644
--- a/distrib/i386/installimage/etc.rc
+++ b/distrib/i386/installimage/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.1 2012/01/22 03:53:30 tsutsui Exp $
+# $NetBSD: etc.rc,v 1.2 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 mount -u /
 mount -t tmpfs tmpfs /tmp
 
diff --git a/distrib/sparc64/cdroms/installcd/etc.rc b/distrib/sparc64/cdroms/installcd/etc.rc
index f78ea8128aff..f865903a63dc 100644
--- a/distrib/sparc64/cdroms/installcd/etc.rc
+++ b/distrib/sparc64/cdroms/installcd/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.2 2014/05/19 15:57:05 martin Exp $
+# $NetBSD: etc.rc,v 1.3 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 # mount a few tempfs to allow modifications over the CD contents
 mount -t tmpfs tmpfs /tmp
 mount -t tmpfs tmpfs /var
diff --git a/distrib/sparc64/instfs/dot.profile b/distrib/sparc64/instfs/dot.profile
index 3ec5d15f5ac8..edaa38316afe 100644
--- a/distrib/sparc64/instfs/dot.profile
+++ b/distrib/sparc64/instfs/dot.profile
@@ -1,4 +1,4 @@
-# $NetBSD: dot.profile,v 1.8 2020/01/09 19:17:45 martin Exp $
+# $NetBSD: dot.profile,v 1.9 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -91,9 +91,6 @@ EOM
 	# examine the dmesg state
 	mount -t kernfs /kern /kern
 
-	# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-	ls -l /dev/* > /dev/null 2>&1
-
 	# mount the ramdisk read write
 	mount -t ffs -u /kern/rootdev /
 
diff --git a/distrib/vax/cdroms/installcd/etc.rc b/distrib/vax/cdroms/installcd/etc.rc
index f7ec71c1dbd6..ba176d1efa42 100644
--- a/distrib/vax/cdroms/installcd/etc.rc
+++ b/distrib/vax/cdroms/installcd/etc.rc
@@ -1,4 +1,4 @@
-# $NetBSD: etc.rc,v 1.3 2014/05/30 13:19:42 martin Exp $
+# $NetBSD: etc.rc,v 1.4 2020/02/26 16:00:48 riastradh Exp $
 #
 # Copyright (c) 1997 Perry E. Metzger
 # Copyright (c) 1994 Christopher G. Demetriou
@@ -36,9 +36,6 @@
 PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
 export PATH
 
-# hack to get around bugs in kernfs's rootdev/rrootdev lookup.
-ls -l /dev/* > /dev/null 2>&1
-
 lowmemfail()
 {
 	cat << "EOM"