diff --git a/data/as-set/AS-MORTZU b/data/as-set/AS-MORTZU
deleted file mode 100644
index c99351985..000000000
--- a/data/as-set/AS-MORTZU
+++ /dev/null
@@ -1,7 +0,0 @@
-as-set:             AS-MORTZU
-descr:              mortzu ASN block
-admin-c:            MORTZU-DN42
-mnt-by:             MORTZU-MNT
-remarks:            as-block: 64792 - 64807
-members:            AS64794
-source:             DN42
diff --git a/data/aut-num/AS64794 b/data/aut-num/AS64794
deleted file mode 100644
index 8208b8a1d..000000000
--- a/data/aut-num/AS64794
+++ /dev/null
@@ -1,7 +0,0 @@
-aut-num:            AS64794
-as-name:            MORTZU-AS
-descr:              mortzu AS-number
-mnt-by:             MORTZU-MNT
-admin-c:            MORTZU-DN42
-tech-c:             MORTZU-DN42
-source:             DN42
diff --git a/data/inetnum/172.22.193.0_24 b/data/inetnum/172.22.193.0_24
deleted file mode 100644
index 1debcc0dd..000000000
--- a/data/inetnum/172.22.193.0_24
+++ /dev/null
@@ -1,16 +0,0 @@
-inetnum:            172.22.193.0 - 172.22.193.255
-netname:            MORTZU-DN42-NET4
-descr:              mortzu IPv4 dn42 address space
-country:            DE
-admin-c:            MORTZU-DN42
-tech-c:             MORTZU-DN42
-status:             ASSIGNED
-mnt-by:             MORTZU-MNT
-remarks:            ++++++++++++++++++++++++++++++++++++++++++++
-remarks:            | In case of peering requests send mail to |
-remarks:            | dn42-peering@mortzu.de                   |
-remarks:            | In case of abuse or probleme send to     |
-remarks:            | dn42-problems@mortzu.de                  |
-remarks:            ++++++++++++++++++++++++++++++++++++++++++++
-cidr:               172.22.193.0/24
-source:             DN42
diff --git a/data/mntner/MORTZU-MNT b/data/mntner/MORTZU-MNT
deleted file mode 100644
index fe9edc180..000000000
--- a/data/mntner/MORTZU-MNT
+++ /dev/null
@@ -1,7 +0,0 @@
-mntner:             MORTZU-MNT
-descr:              mortzu
-remarks:            * this object was created for compatibility reasons by a third party
-admin-c:            MORTZU-DN42
-tech-c:             MORTZU-DN42
-mnt-by:             MORTZU-MNT
-source:             DN42
diff --git a/data/person/MORTZU-DN42 b/data/person/MORTZU-DN42
deleted file mode 100644
index cc6a1c90a..000000000
--- a/data/person/MORTZU-DN42
+++ /dev/null
@@ -1,7 +0,0 @@
-person:             Moritz Kaspar Rudert
-contact:            mailto:me@mortzu.de
-contact:            xmpp:me@mortzu.de
-nic-hdl:            MORTZU-DN42
-pgp-fingerprint:    62D00A6960AC2256A24240BCD568B1E5EB1A6E50
-mnt-by:             DUMMY-MNT
-source:             DN42
diff --git a/data/route/172.22.193.0_25 b/data/route/172.22.193.0_25
deleted file mode 100644
index 2141d87cc..000000000
--- a/data/route/172.22.193.0_25
+++ /dev/null
@@ -1,5 +0,0 @@
-route:              172.22.193.0/25
-descr:              Germany, Bremen, MoGe
-origin:             AS64794
-mnt-by:             MORTZU-MNT
-source:             DN42