3 files changed, 3 insertions, 4 deletions
diff --git a/userspace/cuda/READ-ME-FIRST.md b/userspace/cuda/READ-ME-FIRST.md
index 08f0b28..180907f 100644
--- a/userspace/cuda/READ-ME-FIRST.md
+++ b/userspace/cuda/READ-ME-FIRST.md
@@ -110,7 +110,6 @@ decompiler does *not* recover (types, indirect targets).
 userspace/cuda/
 ├── READ-ME-FIRST.md                 ← you are here
 ├── README.md                        index + honest status
-├── WORKING-HERE.md                  coordination rules (run/ is shared scratch)
 ├── docs/01..07                      public analysis (tracked)
 ├── tools/                           reusable tooling (tracked)
 ├── LOCAL-SOURCES.md               local source map (gitignored)
diff --git a/userspace/cuda/README.md b/userspace/cuda/README.md
index e949d0e..38ff6f5 100644
--- a/userspace/cuda/README.md
+++ b/userspace/cuda/README.md
@@ -68,7 +68,6 @@ crash-focused debug helpers (`570.144/scripts/`) and the original
 userspace/cuda/
 ├── README.md                 this file (index + status)
 ├── READ-ME-FIRST.md          reading guide for agents/debuggers
-├── WORKING-HERE.md           coordination note for parallel agents
 ├── docs/                     public analysis documents
 ├── tools/                    reusable, version-agnostic tooling
 │   ├── cudatool.py           ELF/export/FDE/wrapper/version-delta toolkit
diff --git a/userspace/cuda/docs/07-version-upgrade-playbook.md b/userspace/cuda/docs/07-version-upgrade-playbook.md
index 9e53514..337f5eb 100644
--- a/userspace/cuda/docs/07-version-upgrade-playbook.md
+++ b/userspace/cuda/docs/07-version-upgrade-playbook.md
@@ -12,8 +12,9 @@ keeps the name map and interface knowledge accumulating.
 * Work in a new version directory `userspace/cuda/<version>/` — never
   overwrite an analysed version. Copy the structure from `570.144/`
   (`scripts/`, `ghidra/`, `annotations/`) and create `run/`.
-* Update `WORKING-HERE.md` so parallel agents know which tree is being
-  analysed.
+* Announce the new tree in the project handoff so parallel agents know which
+  tree is being analysed (the per-area coordination file used during the
+  first pass was local scratch and has been removed).
 
 ## 1. Cheap triage (minutes)