diff --git a/data/as-set/AS4242421876:AS-TRANSIT b/data/as-set/AS4242421876:AS-TRANSIT
index a9403baa0..d31e2e298 100644
--- a/data/as-set/AS4242421876:AS-TRANSIT
+++ b/data/as-set/AS4242421876:AS-TRANSIT
@@ -222,9 +222,6 @@ remarks:            ════════════════════
 members:            AS4242422843
 remarks:            MCBROWN
 remarks:            ══════════════════════════════
-members:            AS4242422942
-remarks:            Ytrizja Network
-remarks:            ══════════════════════════════
 members:            AS4242422980
 remarks:            YUUTAW
 remarks:            ══════════════════════════════
diff --git a/data/as-set/AS4242422904:AS-TRANSIT b/data/as-set/AS4242422904:AS-TRANSIT
index f6689d71f..3189b2666 100644
--- a/data/as-set/AS4242422904:AS-TRANSIT
+++ b/data/as-set/AS4242422904:AS-TRANSIT
@@ -17,8 +17,6 @@ members:            AS4242422227
 remarks:            WXMN-MNT
 members:            AS4242420101
 remarks:            HEXA-MNT
-members:            AS4242422942
-remarks:            YZITE-MNT
 members:            AS4242422428
 remarks:            NULLL-MNT
 members:            AS4242422237
diff --git a/data/aut-num/AS4242422942 b/data/aut-num/AS4242422942
deleted file mode 100644
index 4d969bdac..000000000
--- a/data/aut-num/AS4242422942
+++ /dev/null
@@ -1,7 +0,0 @@
-aut-num:            AS4242422942
-as-name:            AS for Ytrizja Network
-admin-c:            ZSERI-DN42
-tech-c:             ZSERI-DN42
-mnt-by:             YZITE-MNT
-org:                ORG-YTRIZJA
-source:             DN42
diff --git a/data/inet6num/fd89:aec1:ca45::_48 b/data/inet6num/fd89:aec1:ca45::_48
deleted file mode 100644
index 159979844..000000000
--- a/data/inet6num/fd89:aec1:ca45::_48
+++ /dev/null
@@ -1,9 +0,0 @@
-inet6num:           fd89:aec1:ca45:0000:0000:0000:0000:0000 - fd89:aec1:ca45:ffff:ffff:ffff:ffff:ffff
-cidr:               fd89:aec1:ca45::/48
-netname:            YTRIZJA-NET-1
-admin-c:            ZSERI-DN42
-tech-c:             ZSERI-DN42
-mnt-by:             YZITE-MNT
-org:                ORG-YTRIZJA
-status:             ASSIGNED
-source:             DN42
diff --git a/data/mntner/YZITE-MNT b/data/mntner/YZITE-MNT
deleted file mode 100644
index 18a269a50..000000000
--- a/data/mntner/YZITE-MNT
+++ /dev/null
@@ -1,7 +0,0 @@
-mntner:             YZITE-MNT
-admin-c:            ZSERI-DN42
-tech-c:             ZSERI-DN42
-mnt-by:             YZITE-MNT
-auth:               pgp-fingerprint 7AFBC5950D3A77BDB00F947B229E63AE5644A96D
-auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOuAE7PaRT6FAtQekgZTCPkuHpS2jjXEohXTFdGB5koX
-source:             DN42
diff --git a/data/organisation/ORG-YTRIZJA b/data/organisation/ORG-YTRIZJA
deleted file mode 100644
index 5f5ad32b2..000000000
--- a/data/organisation/ORG-YTRIZJA
+++ /dev/null
@@ -1,8 +0,0 @@
-organisation:       ORG-YTRIZJA
-org-name:           Ytrizja
-abuse-mailbox:      abuse@ytrizja.de
-admin-c:            ZSERI-DN42
-tech-c:             ZSERI-DN42
-mnt-by:             YZITE-MNT
-source:             DN42
-www:                https://ytrizja.de
diff --git a/data/person/ZSERI-DN42 b/data/person/ZSERI-DN42
deleted file mode 100644
index e4fd56476..000000000
--- a/data/person/ZSERI-DN42
+++ /dev/null
@@ -1,5 +0,0 @@
-person:             Erik Zscheile
-contact:            zseri@ytrizja.de
-nic-hdl:            ZSERI-DN42
-mnt-by:             YZITE-MNT
-source:             DN42
diff --git a/data/route6/fd89:aec1:ca45::_48 b/data/route6/fd89:aec1:ca45::_48
deleted file mode 100644
index 3b4c5ad55..000000000
--- a/data/route6/fd89:aec1:ca45::_48
+++ /dev/null
@@ -1,5 +0,0 @@
-route6:             fd89:aec1:ca45::/48
-origin:             AS4242422942
-max-length:         64
-mnt-by:             YZITE-MNT
-source:             DN42