diff --git a/.claude/CLAUDE.md b/.claude/CLAUDE.md
index e40e37cb..6e3f782a 100644
--- a/.claude/CLAUDE.md
+++ b/.claude/CLAUDE.md
@@ -6,7 +6,7 @@ Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 ## Machine-Readable Artefacts
 
-This repo follows the hyperpolymath standard. See `https://github.com/hyperpolymath/standards` for the canonical 6-file `.machine_readable/` layout (STATE/META/ECOSYSTEM/AGENTIC/NEUROSYM/PLAYBOOK in A2ML format).
+This repo follows the hyperpolymath standard. See `https://github.com/hyperpolymath/standards`. A2ML is retired (D308): do not create or edit `.a2ml` files, and do not treat `.machine_readable/6a2/` as current. Descriptive metadata moves to the repo's chora deed via kcX.
 
 ---
 
diff --git a/docs/READINESS.adoc b/docs/READINESS.adoc
index 05092e7f..da16f7a6 100644
--- a/docs/READINESS.adoc
+++ b/docs/READINESS.adoc
@@ -106,7 +106,7 @@ whole. See the table in §3 for per-component grades.
 
 | Cartridge shared libs built
 | 103/106
-| `.machine_readable/6a2/STATE.a2ml` §quality
+| retired A2ML STATE (D308), pending kcX → chora deed
 
 | Total tests passing
 | *365* (178 core FFI + 113 cartridge FFI + 40 federation + 14 coprocessor + 11 SLA + 11 community + 10 SDP + 28 readiness + 13 E2E + 12 guardian + 7 VeriSimDB + 11 multi-node + 58 MCP bridge + 17 aspect)
diff --git a/docs/README.adoc b/docs/README.adoc
index 85831931..9ba2b8cd 100644
--- a/docs/README.adoc
+++ b/docs/README.adoc
@@ -202,10 +202,8 @@ toc::[]
 * link:../TEST-NEEDS.md[`../TEST-NEEDS.md`] — test-coverage tracker
   (stays at root pending refactor of 5 cross-references)
 * link:../CHANGELOG.md[`../CHANGELOG.md`] — release history
-* link:../.machine_readable/6a2/STATE.a2ml[`../.machine_readable/6a2/STATE.a2ml`]
-  — current machine-readable project state (the canonical
-  STATE/META/ECOSYSTEM/AGENTIC/NEUROSYM/PLAYBOOK 6-file layer per
-  the hyperpolymath standard)
+* `../.machine_readable/6a2/` — retired A2ML state files (D308), kept
+  read-only until kcX converts them into the repo's chora deed. Not current.
 * link:../GEMINI.md[`../GEMINI.md`] — Gemini CLI integration context
   (load-bearing; referenced by `gemini-extension.json` as
   `contextFileName`)
diff --git a/docs/practice/TESTS-AND-BENCHES.adoc b/docs/practice/TESTS-AND-BENCHES.adoc
index 7e9549b7..59fa2981 100644
--- a/docs/practice/TESTS-AND-BENCHES.adoc
+++ b/docs/practice/TESTS-AND-BENCHES.adoc
@@ -120,5 +120,5 @@ cd elixir && mix test
 
 * link:../TEST-NEEDS.md[TEST-NEEDS.md] — Detailed requirement tracking.
 * READINESS.md — CRG Grade evidence.
-* link:../.machine_readable/6a2/STATE.a2ml[.machine_readable/6a2/STATE.a2ml]
-— Latest machine-readable stats.
+* `.machine_readable/6a2/STATE.a2ml` — retired A2ML (D308), pending kcX → chora
+deed; not a current source of stats.
diff --git a/docs/wikis/CI-and-Required-Checks.adoc b/docs/wikis/CI-and-Required-Checks.adoc
index 9ab18572..10524ad5 100644
--- a/docs/wikis/CI-and-Required-Checks.adoc
+++ b/docs/wikis/CI-and-Required-Checks.adoc
@@ -123,6 +123,6 @@ actually *reported* -- a `skipped` conclusion counts as success. A gate stuck at
 
 * Conventions (authoritative): `docs/AI-CONVENTIONS.adoc` §"CI / Required Status Checks"
 * AI-agent instructions: `.claude/CLAUDE.md` §"CI / Required Status Checks"
-* Operational runbook: `.machine_readable/6a2/PLAYBOOK.a2ml` `[ci-required-gates]`
+* Operational runbook: this page and `docs/AI-CONVENTIONS.adoc`. The old `6a2/PLAYBOOK.a2ml` entry is retired A2ML (D308), pending kcX → chora deed.
 * Reference workflows: every required gate in `.github/workflows/`
 * History: PR #216 (boj-server), PR #45 (boj-server-cartridges)