diff --git a/.custodian-brief.md b/.custodian-brief.md
index 9e526f3..ea1158c 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — test-driver
 
 **Domain:** infotech  
-**Last synced:** 2026-09-28 10:05 UTC  
+**Last synced:** 2026-09-28 10:16 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -18,11 +18,6 @@ Progress: 5/8 done  |  workplan_id: `36a082df-1288-567d-9a0b-f2e0f292786c`
 - ! Measure the cost of expressing a use case  `62f08e27`
   *(wait: Initial timer excluded code composition; elapsed authoring cost cannot be reconstructed. Need a prospectively timed fresh implementation by an independent author using the specified contracts, not copying the fixtures.)*
 
-## Inbox Hygiene
-
-**Stale unread:** 1 message(s) older than 3 day(s) — triage at session start.
-**Missing thread_id:** 1 unread message(s) lack supersession chains.
-
 ---
 ## MCP Orientation (when available)