diff --git a/standard/recommendations/core/PER_metadata_id.adoc b/standard/recommendations/core/PER_metadata_id.adoc
deleted file mode 100644
index ce38c13..0000000
--- a/standard/recommendations/core/PER_metadata_id.adoc
+++ /dev/null
@@ -1,6 +0,0 @@
-[[per_core_metadata_id]]
-[width="90%",cols="2,6a"]
-|===
-^|*Permission {counter:per-id}* |*/per/core/metadata_id*
-^|A |A WNM MAY provide additional identifiers to discovery metadata records in non-WIS2 catalogue systems as a link object with (``rel=related`` or ``rel=up``).
-|===
diff --git a/standard/sections/clause_7_normative_text.adoc b/standard/sections/clause_7_normative_text.adoc
index 7746d9e..9a6f06b 100644
--- a/standard/sections/clause_7_normative_text.adoc
+++ b/standard/sections/clause_7_normative_text.adoc
@@ -102,7 +102,6 @@ Example:
 ----
 
 include::../requirements/core/REQ_id.adoc[]
-include::../recommendations/core/PER_metadata_id.adoc[]
 
 ==== 1.5 Version
 The ``version`` property provides the version of WNM that the message conforms to.