diff --git a/bedesten_mcp_module/client.py b/bedesten_mcp_module/client.py
index 117ecdf..ad6f1a8 100644
--- a/bedesten_mcp_module/client.py
+++ b/bedesten_mcp_module/client.py
@@ -58,9 +58,14 @@ class BedestenApiClient:
             logger.info(f"BedestenApiClient: Mapped birimAdi '{original_birim_adi}' to '{mapped_birim_adi}'")
         
         try:
+            # Create request dict and remove birimAdi if empty
+            request_dict = search_request.model_dump()
+            if not request_dict["data"]["birimAdi"]:  # Remove if empty string
+                del request_dict["data"]["birimAdi"]
+            
             response = await self.http_client.post(
                 self.SEARCH_ENDPOINT, 
-                json=search_request.model_dump()
+                json=request_dict
             )
             response.raise_for_status()
             response_json = response.json()
diff --git a/mcp_server_main.py b/mcp_server_main.py
index 17ea652..fa65d17 100644
--- a/mcp_server_main.py
+++ b/mcp_server_main.py
@@ -1072,6 +1072,7 @@ KARAR_TURU_ADI_TO_GUID_ENUM_MAP = {
 }
 
 # --- MCP Tools for Yargitay ---
+"""
 @app.tool(
     description="Search Yargıtay decisions with 52 chamber filtering and advanced operators",
     annotations={
@@ -1160,6 +1161,7 @@ async def get_yargitay_document_markdown(id: str) -> YargitayDocumentMarkdown:
     except Exception as e:
         logger.exception(f"Error in tool 'get_yargitay_document_markdown'.")
         raise
+"""
 
 # --- MCP Tools for Danistay ---
 """