diff --git a/scraibe/mcp_server.py b/scraibe/mcp_server.py
index 263a8dd..e7ff206 100644
--- a/scraibe/mcp_server.py
+++ b/scraibe/mcp_server.py
@@ -63,14 +63,6 @@ class TranscribeRequest(BaseModel):
         None,
         description="Internal file path on the server (for internal use only)."
     )
-    language: Optional[str] = Field(
-        None,
-        description="Optional language hint (e.g., 'english', 'german')."
-    )
-    num_speakers: Optional[int] = Field(
-        None,
-        description="Optional number of speakers for diarization."
-    )
 
 
 class TranscribeResponse(BaseModel):
@@ -167,8 +159,6 @@ async def transcribe(req: TranscribeRequest):
       - audio_base64: base64-encoded audio file
       - audio_url: URL to audio file
       - audio_path: local file path (for internal use)
-      - language: (optional)
-      - num_speakers: (optional)
 
     Returns:
       {
@@ -204,8 +194,8 @@ async def transcribe(req: TranscribeRequest):
                 process_mcp_transcribe_task.delay(
                     audio_path=file_path,
                     job_id=job_id,
-                    language=req.language or None,
-                    num_speakers=int(req.num_speakers) if req.num_speakers else None,
+                    language=None,
+                    num_speakers=None,
                 )
             except Exception as e:
                 logger.error("Error enqueuing MCP job: %s", e)
@@ -243,8 +233,8 @@ async def transcribe(req: TranscribeRequest):
             scraibe = Scraibe(verbose=False)
             result = scraibe.transcribe(
                 audio_file=file_path,
-                language=req.language or None,
-                num_speakers=int(req.num_speakers) if req.num_speakers else None,
+                language=None,
+                num_speakers=None,
                 verbose=False,
                 for_export=True,
             )