diff --git a/data/aut-num/AS4242420985 b/data/aut-num/AS4242420985
deleted file mode 100644
index 04445ef60..000000000
--- a/data/aut-num/AS4242420985
+++ /dev/null
@@ -1,8 +0,0 @@
-aut-num:            AS4242420985
-as-name:            HITLUG-DEMO-ASN
-descr:              This ASN is maintained by HITLUG and is only for demonstration use.
-org:                ORG-HITLUG
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-mnt-by:             BILL-MNT
-source:             DN42
diff --git a/data/dns/hitlug.dn42 b/data/dns/hitlug.dn42
deleted file mode 100644
index a3bb707a9..000000000
--- a/data/dns/hitlug.dn42
+++ /dev/null
@@ -1,9 +0,0 @@
-domain:             hitlug.dn42
-descr:              This domain object is maintained by HITLUG and is only for demonstration use.
-org:                ORG-HITLUG
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-mnt-by:             BILL-MNT
-nserver:            ns1.hitlug.dn42 172.22.134.33
-nserver:            ns1.hitlug.dn42 fd94:267a:f14e::1
-source:             DN42
diff --git a/data/inet6num/fd94:267a:f14e::_48 b/data/inet6num/fd94:267a:f14e::_48
deleted file mode 100644
index c8c9fd811..000000000
--- a/data/inet6num/fd94:267a:f14e::_48
+++ /dev/null
@@ -1,12 +0,0 @@
-inet6num:           fd94:267a:f14e:0000:0000:0000:0000:0000 - fd94:267a:f14e:ffff:ffff:ffff:ffff:ffff
-cidr:               fd94:267a:f14e::/48
-netname:            HITLUG-DEMO-NETWORK
-descr:              This inet6num object is maintained by HITLUG and is only for demonstration use.
-country:            CN
-org:                ORG-HITLUG
-nserver:            ns1.hitlug.dn42
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-status:             ASSIGNED
-mnt-by:             BILL-MNT
-source:             DN42
diff --git a/data/inetnum/172.22.134.32_27 b/data/inetnum/172.22.134.32_27
deleted file mode 100644
index fc60d457b..000000000
--- a/data/inetnum/172.22.134.32_27
+++ /dev/null
@@ -1,12 +0,0 @@
-inetnum:            172.22.134.32 - 172.22.134.63
-cidr:               172.22.134.32/27
-netname:            HITLUG-DEMO-NETWORK
-descr:              This inetnum object is maintained by HITLUG and is only for demonstration use.
-country:            CN
-org:                ORG-HITLUG
-nserver:            ns1.hitlug.dn42
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-mnt-by:             BILL-MNT
-status:             ASSIGNED
-source:             DN42
diff --git a/data/organisation/ORG-HITLUG b/data/organisation/ORG-HITLUG
deleted file mode 100644
index b8a75529e..000000000
--- a/data/organisation/ORG-HITLUG
+++ /dev/null
@@ -1,6 +0,0 @@
-organisation:       ORG-HITLUG
-org-name:           Harbin Institute of Technology, School of Computer Science and Technology, Linux and Opensource Student Club
-admin-c:            BILL-DN42
-tech-c:             BILL-DN42
-mnt-by:             BILL-MNT
-source:             DN42