diff --git a/config/settings.yml b/config/settings.yml
index c0bea91e..ff770181 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -267,6 +267,7 @@ discourse_ai:
     validator: "DiscourseAi::Configuration::LlmDependencyValidator"
     area: "ai-features/embeddings"
   ai_embeddings_semantic_search_hyde_model:  # Deprecated. TODO(keegan): Remove 2025-09-01
+    hidden: true
     default: ""
     type: enum
     allow_any: false