diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index 1d19105..cd1d174 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -67,9 +67,6 @@ traffic; discovered signals are recorded as a DBC rather than as code.
   connects mid-drive immediately has state to render.
 - Trivially inspectable with `mosquitto_sub` while debugging in a car.
 
-Rejected: NNG/ZeroMQ (lower latency, no broker, but a poor ESP32 story and no
-retained values); DDS (capable, disproportionate).
-
 ### Topics
 
 ```