diff --git a/ROADMAP.md b/ROADMAP.md
index 3a7e58c..6fcd7d7 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -391,8 +391,9 @@ charges. Fix as part of 1.1.
 - `[ ]` 4.4 — Quality grade fallback `(F22)`: when `carregarImagem` fails,
   `px(f)=Math.sqrt(f.size/1024)*95` stands — a DPI inferred from **file size in
   bytes** — and it drives up to a 25% discount. Fail closed instead.
-- `[ ]` 4.5 — Dead config `(F28)`: `stack.yaml` sets `CLAMD_HOST: scanner`,
-  `scanning.py` hardcodes `'scanner'`.
+- `[x]` 4.5 — Dead config `(F28)`: resolved by deleting `deploy/stack.yaml` in 2.12.
+  `CLAMD_HOST` no longer appears anywhere; `scanning.py` reaching `'scanner'`
+  directly is now simply how it works, not a contradiction.
 
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