diff --git a/data/schema/INET6NUM-SCHEMA b/data/schema/INET6NUM-SCHEMA
index dfe2db0bb..34323f995 100644
--- a/data/schema/INET6NUM-SCHEMA
+++ b/data/schema/INET6NUM-SCHEMA
@@ -19,6 +19,5 @@ key:                mnt-routes  optional   multiple  lookup=dn42.mntner
 key:                org         optional   single    lookup=dn42.organisation
 key:                remarks     optional   multiple
 key:                source      required   single    lookup=dn42.registry
-network-owner:      inet6num
 mnt-by:             DN42-MNT
 source:             DN42
diff --git a/data/schema/INETNUM-SCHEMA b/data/schema/INETNUM-SCHEMA
index 59e4b5d13..2d2628ce8 100644
--- a/data/schema/INETNUM-SCHEMA
+++ b/data/schema/INETNUM-SCHEMA
@@ -19,7 +19,5 @@ key:                mnt-routes  optional  multiple  lookup=dn42.mntner
 key:                org         optional  single    lookup=dn42.organisation
 key:                remarks     optional  multiple
 key:                source      required  single    lookup=dn42.registry
-network-owner:      inet6num
-network-owner:      inetnum
 mnt-by:             DN42-MNT
 source:             DN42
diff --git a/data/schema/ROUTE-SCHEMA b/data/schema/ROUTE-SCHEMA
index 5a4212e44..97b000ac9 100644
--- a/data/schema/ROUTE-SCHEMA
+++ b/data/schema/ROUTE-SCHEMA
@@ -12,6 +12,5 @@ key:                remarks     optional  multiple
 key:                source      required  single    lookup=dn42.registry
 key:                pingable    optional  multiple
 key:                max-length  optional  single
-network-owner:      inetnum
 mnt-by:             DN42-MNT
 source:             DN42
diff --git a/data/schema/ROUTE6-SCHEMA b/data/schema/ROUTE6-SCHEMA
index 67cff4985..80bda042f 100644
--- a/data/schema/ROUTE6-SCHEMA
+++ b/data/schema/ROUTE6-SCHEMA
@@ -12,6 +12,5 @@ key:                remarks     optional  multiple
 key:                source      required  single    lookup=dn42.registry
 key:                pingable    optional  multiple
 key:                max-length  optional  single
-network-owner:      inet6num
 mnt-by:             DN42-MNT
 source:             DN42
diff --git a/data/schema/SCHEMA-SCHEMA b/data/schema/SCHEMA-SCHEMA
index 1d94c4a67..7cb280d95 100644
--- a/data/schema/SCHEMA-SCHEMA
+++ b/data/schema/SCHEMA-SCHEMA
@@ -1,20 +1,12 @@
 schema:             SCHEMA-SCHEMA
 ref:                dn42.schema
 dir-name:           schema
-primary-key:        inetnum  cidr
-primary-key:        inet6num cidr
-primary-key:        role     nic-hdl
-primary-key:        person   nic-hdl
-owners:             mntner
 key:                schema           required single   primary schema > [name]
 key:                ref              required single   > [schema]
-key:                primary-key      optional multiple > [schema] [key]
 key:                dir-name         required single
-key:                owners           optional single   > [schema]
 key:                mnt-by           required multiple   lookup=dn42.mntner > [mntner]
 key:                remarks          optional multiple > [text]...
 key:                source           required single     lookup=dn42.registry
-key:                network-owner    optional multiple > [parent-schema]
 key:                key              required multiple > [key-name]
                     {required|optional|recommend|deprecate}
                     {single|multiple} {primary|} {schema|}