diff --git a/.custodian-brief.md b/.custodian-brief.md
index 7c945fd..23628cc 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — infospace-bench
 
 **Domain:** markitect  
-**Last synced:** 2026-05-14 11:13 UTC  
+**Last synced:** 2026-05-14 11:28 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -70,15 +70,6 @@ Progress: 0/4 done  |  workstream_id: `713415b0-0c14-4367-8217-26c729648aec`
 - · Validate artifact contracts  `74a78679`
 - · CLI inspection integration  `99b4e2ca`
 
-### Orthogonal Successor Architecture
-Progress: 0/4 done  |  workstream_id: `ce26304b-aef2-4e01-926c-0635fc7a0f9b`
-
-**Open tasks:**
-- ► Feature inventory from legacy markitect-project  `10b456fa`
-- · Boundary and interface map  `f5a57259`
-- · Replacement acceptance matrix  `0a4f35b4`
-- · State Hub alignment  `5e9f9889`
-
 ---
 ## MCP Orientation (when available)