diff --git a/data/aut-num/AS4242423827 b/data/aut-num/AS4242423827
index 299d5ee1f..b1ad36df1 100644
--- a/data/aut-num/AS4242423827
+++ b/data/aut-num/AS4242423827
@@ -4,10 +4,5 @@ descr:              nullroute.eu.org (Broken Symlink) dn42 AS
 admin-c:            GRAWITY-DN42
 tech-c:             GRAWITY-DN42
 mnt-by:             NULLROUTE-MNT
-remarks:            ; hexa
-mp-import:          afi any from AS4242420101 accept ANY
-mp-export:          afi any to AS4242420101 announce AS206633
-remarks:            ; weiti
-mp-import:          afi any from AS4242423905 accept ANY
-mp-export:          afi any to AS4242423905 announce AS206633
+remarks:            Superseded by AS206633.
 source:             DN42
diff --git a/data/route/172.20.158.0_24 b/data/route/172.20.158.0_24
index ea0c64dc4..704426ae0 100644
--- a/data/route/172.20.158.0_24
+++ b/data/route/172.20.158.0_24
@@ -1,5 +1,4 @@
 route:              172.20.158.0/24
 origin:             AS206633
-origin:             AS4242423827
 mnt-by:             NULLROUTE-MNT
 source:             DN42
diff --git a/data/route6/fd42:2606:32f4::_48 b/data/route6/fd42:2606:32f4::_48
index 39fba4cee..0724c1c76 100644
--- a/data/route6/fd42:2606:32f4::_48
+++ b/data/route6/fd42:2606:32f4::_48
@@ -1,5 +1,4 @@
 route6:             fd42:2606:32f4::/48
 origin:             AS206633
-origin:             AS4242423827
 mnt-by:             NULLROUTE-MNT
 source:             DN42