diff --git a/audio-in.md b/audio-in.md
index 056b010..a60426f 100644
--- a/audio-in.md
+++ b/audio-in.md
@@ -67,9 +67,8 @@ Canonical use cases:
 - **Denoising and normalisation** — noise reduction, gain
   normalisation, format conversion.
 - **Voice-print recognition** — writes an intermediate result to
-  `Message.context` (e.g. `context.voice_match`) for consolidation
-  by a metadata transformer into `session.voice_id` per
-  OVOS-USER-ID-1 §4.1.
+  `Message.context` (e.g. `context.voice_match`) for downstream
+  consolidation by a metadata transformer.
 
 ---
 
@@ -229,5 +228,3 @@ emitted when the service is already awake.
 - **OVOS-SESSION-2** — session assignment and default-session rule.
 - **OVOS-MSG-1** — session carrier (§4) and envelope.
 - **OVOS-BRIDGE-1** — satellite session assignment (§4.2.1).
-- **OVOS-USER-ID-1** — user identity resolution; voice-print
-  recognition is an audio-transformer use case (§4.1).