diff --git a/.custodian-brief.md b/.custodian-brief.md
index 83e27b0..476ff19 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — infospace-bench
 
 **Domain:** markitect  
-**Last synced:** 2026-05-14 11:59 UTC  
+**Last synced:** 2026-05-14 13:02 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -52,15 +52,6 @@ Progress: 0/4 done  |  workstream_id: `f00ba036-dc97-4370-a4a5-9ac2bce7ce6f`
 - · Metrics merge and viability reports  `7abcbd63`
 - · Legacy metric compatibility notes  `675d1d45`
 
-### Entity And Relation Model Migration
-Progress: 0/4 done  |  workstream_id: `3f6f17c9-bf50-4297-9bd5-cbe1e33efa76`
-
-**Open tasks:**
-- · Define entity model  `d6c401be`
-- · Parse entities from artifacts  `25e42321`
-- · Define and parse relation model  `845a8ea0`
-- · Manifest integration  `155028a2`
-
 ---
 ## MCP Orientation (when available)