diff --git a/data/aut-num/AS4242420213 b/data/aut-num/AS4242420213
deleted file mode 100644
index ff4279fb0..000000000
--- a/data/aut-num/AS4242420213
+++ /dev/null
@@ -1,6 +0,0 @@
-aut-num:            AS4242420213
-as-name:            AS for XYZ479 Network
-admin-c:            XYZ479-DN42
-tech-c:             XYZ479-DN42
-mnt-by:             XYZ479-MNT
-source:             DN42
diff --git a/data/inet6num/fd6a:16b9:a0b2::_48 b/data/inet6num/fd6a:16b9:a0b2::_48
deleted file mode 100644
index eaeb1efcf..000000000
--- a/data/inet6num/fd6a:16b9:a0b2::_48
+++ /dev/null
@@ -1,10 +0,0 @@
-inet6num:           fd6a:16b9:a0b2:0000:0000:0000:0000:0000 - fd6a:16b9:a0b2:ffff:ffff:ffff:ffff:ffff
-cidr:               fd6a:16b9:a0b2::/48
-netname:            XYZ479-NETWORK
-descr:              Network of XYZ479
-country:            JP
-admin-c:            XYZ479-DN42
-tech-c:             XYZ479-DN42
-mnt-by:             XYZ479-MNT
-status:             ASSIGNED
-source:             DN42
diff --git a/data/mntner/XYZ479-MNT b/data/mntner/XYZ479-MNT
deleted file mode 100644
index 88a361121..000000000
--- a/data/mntner/XYZ479-MNT
+++ /dev/null
@@ -1,5 +0,0 @@
-mntner:             XYZ479-MNT
-admin-c:            XYZ479-DN42
-tech-c:             XYZ479-DN42
-mnt-by:             XYZ479-MNT
-source:             DN42
diff --git a/data/person/XYZ479-DN42 b/data/person/XYZ479-DN42
deleted file mode 100644
index aecb1f372..000000000
--- a/data/person/XYZ479-DN42
+++ /dev/null
@@ -1,5 +0,0 @@
-person:             XYZ479
-contact:            xyz479@airmail.cc
-nic-hdl:            XYZ479-DN42
-mnt-by:             XYZ479-MNT
-source:             DN42
diff --git a/data/route6/fd6a:16b9:a0b2::_48 b/data/route6/fd6a:16b9:a0b2::_48
deleted file mode 100644
index a9cdbd58a..000000000
--- a/data/route6/fd6a:16b9:a0b2::_48
+++ /dev/null
@@ -1,5 +0,0 @@
-route6:             fd6a:16b9:a0b2::/48
-origin:             AS4242420213
-max-length:         48
-mnt-by:             XYZ479-MNT
-source:             DN42