diff --git a/rag/llm/model_meta.py b/rag/llm/model_meta.py
index 6f8df39b03..2394904268 100644
--- a/rag/llm/model_meta.py
+++ b/rag/llm/model_meta.py
@@ -263,128 +263,6 @@ class BaiduYiyan(Base):
         return res
 
 
-class TencentCloud(Base):
-    """Tencent Cloud is used for ASR (speech-to-text) only.
-
-    It uses SDK-based authentication (SID/SK with HMAC signing).
-    No REST API is available for model listing, and there are no LLM models.
-    """
-
-    _FACTORY_NAME = "Tencent Cloud"
-
-    def get_model_list(self):
-        raise NotImplementedError
-
-
-class FishAudio(Base):
-    _FACTORY_NAME = "Fish Audio"
-
-    def _get_access_token(self):
-        api_key = self._get_api_key()
-        if not api_key:
-            return ""
-        try:
-            payload = json.loads(api_key)
-        except Exception:
-            return api_key
-        if isinstance(payload, dict):
-            return payload.get("fish_audio_ak") or payload.get("access_token") or payload.get("api_key") or api_key
-        return api_key
-
-    def _get_model_list_url(self):
-        if not self.base_url:
-            return "https://api.fish.audio/model"
-        base_url = self.base_url.rstrip("/")
-        if "/v1/" in base_url:
-            return base_url.split("/v1")[0].rstrip("/") + "/model"
-        if base_url.endswith("/v1"):
-            return base_url[:-3] + "/model"
-        return base_url + "/model"
-
-    async def get_model_list(self):
-        url = self._get_model_list_url()
-        access_token = self._get_access_token()
-        if not url or not access_token:
-            return []
-
-        async with aiohttp.ClientSession() as session:
-            async with session.get(url, headers={"Authorization": f"Bearer {access_token}"}) as resp:
-                if resp.status != 200:
-                    return []
-                raw_model_list = await resp.json()
-                if not isinstance(raw_model_list, dict):
-                    return []
-                models = raw_model_list.get("items") or []
-                if not isinstance(models, list):
-                    return []
-
-                model_list = []
-                for model in models:
-                    if not isinstance(model, dict):
-                        continue
-                    model_name = model.get("title") or model.get("_id")
-                    if not model_name:
-                        continue
-                    model_list.append(
-                        {
-                            "name": model_name,
-                            "model_types": [LLMType.TTS.value],
-                            "features": [],
-                            "max_tokens": 8192,
-                        }
-                    )
-                return model_list
-
-
-class MinerU(Base):
-    _FACTORY_NAME = "MinerU"
-
-    def _get_access_token(self):
-        api_key = self._get_api_key()
-        if not api_key:
-            return ""
-        try:
-            payload = json.loads(api_key)
-        except Exception:
-            return api_key
-        if isinstance(payload, dict):
-            return payload.get("access_token") or payload.get("api_key") or api_key
-        return api_key
-
-    async def get_model_list(self):
-        url = self._get_model_list_url()
-        access_token = self._get_access_token()
-        if not url or not access_token:
-            return []
-
-        async with aiohttp.ClientSession() as session:
-            async with session.get(url, headers={"Authorization": f"Bearer {access_token}"}) as resp:
-                if resp.status != 200:
-                    return []
-                raw_model_list = await resp.json()
-                if isinstance(raw_model_list, dict):
-                    raw_model_list = raw_model_list.get("data") or raw_model_list.get("models") or raw_model_list.get("items") or []
-                if not isinstance(raw_model_list, list):
-                    return []
-
-                model_list = []
-                for model in raw_model_list:
-                    if not isinstance(model, dict):
-                        continue
-                    model_name = model.get("title") or model.get("name") or model.get("id") or model.get("_id")
-                    if not model_name:
-                        continue
-                    model_list.append(
-                        {
-                            "name": model_name,
-                            "model_types": [LLMType.OCR.value],
-                            "features": [],
-                            "max_tokens": model.get("max_tokens", 8192),
-                        }
-                    )
-                return model_list
-
-
 class OpenRouter(Base):
     _FACTORY_NAME = "OpenRouter"