diff --git a/app/components/realtime-chat/realtime-config.tsx b/app/components/realtime-chat/realtime-config.tsx
index 18887b378..f69efff7e 100644
--- a/app/components/realtime-chat/realtime-config.tsx
+++ b/app/components/realtime-chat/realtime-config.tsx
@@ -5,9 +5,9 @@ import { ListItem, Select, PasswordInput } from "@/app/components/ui-lib";
 
 import { InputRange } from "@/app/components/input-range";
 import { Voice } from "rt-client";
-import { REALTIME_TTS_MODELS, ServiceProvider } from "@/app/constant";
+import { ServiceProvider } from "@/app/constant";
 
-const providers = Object.keys(REALTIME_TTS_MODELS) as ServiceProvider[];
+const providers = [ServiceProvider.OpenAI, ServiceProvider.Azure];
 
 const models = ["gpt-4o-realtime-preview-2024-10-01", "qwen-tts-realtime"];
 
diff --git a/app/constant.ts b/app/constant.ts
index 9e6232ddc..6c3553ebf 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -488,15 +488,12 @@ export const EDGE_TTS = {
     Voices: [] as string[],
 } as const;
 
-// 定义支持的 TTS 引擎类型
 export type TTSEngineType = ServiceProvider.OpenAI | ServiceProvider.Alibaba | "Edge";
 
-// 从 TTS_CONFIGS 中提取所有可用的引擎、模型和声音
 export const DEFAULT_TTS_ENGINES = [ServiceProvider.OpenAI, ServiceProvider.Alibaba, "Edge"] as const;
 export const DEFAULT_TTS_MODELS = [...OPENAI_TTS.Model, ...ALIBABA_TTS.Model] as const;
 export const DEFAULT_TTS_VOICES = [...OPENAI_TTS.Voices, ...ALIBABA_TTS.Voices] as const;
 
-// TTS 配置接口
 interface TTSConfigItem {
     Provider: ServiceProvider | "Edge";
     Model: readonly string[];
@@ -504,7 +501,6 @@ interface TTSConfigItem {
     ModelProvider: ModelProvider;
 }
 
-// 使用完整的 Record 而不是 Partial，确保类型安全
 export const TTS_CONFIGS: Record<TTSEngineType, TTSConfigItem> = {
     [ServiceProvider.OpenAI]: OPENAI_TTS,
     [ServiceProvider.Alibaba]: ALIBABA_TTS,
@@ -533,16 +529,6 @@ export const VISION_MODEL_REGEXES = [
 
 export const EXCLUDE_VISION_MODEL_REGEXES = [/claude-3-5-haiku-20241022/];
 
-export const RUNTIME_TTS_OPENAI = {
-    ExampleEndpoint: XAI_BASE_URL,
-}
-
-export const REALTIME_TTS_MODELS = {
-    [ServiceProvider.OpenAI]: ["gpt-4o-realtime-preview-2024-10-01"],
-    [ServiceProvider.Azure]: ["gpt-4o-realtime-preview-2024-10-01"],
-    [ServiceProvider.Alibaba]: ["qwen-omni-turbo-realtime"],
-};
-
 const openaiModels = [
   // As of July 2024, gpt-4o-mini should be used in place of gpt-3.5-turbo,
   // as it is cheaper, more capable, multimodal, and just as fast. gpt-3.5-turbo is still available for use in the API.