diff --git a/utils/api_client.py b/utils/api_client.py
index 056f4ee..5b4fcae 100644
--- a/utils/api_client.py
+++ b/utils/api_client.py
@@ -266,9 +266,6 @@ class DeepSeekClient:
             "stream": stream,
             "max_tokens": max_tokens
         }
-        if current_thinking_mode:
-            payload["thinking"] = {"type": "enabled"}
-        
         if tools:
             payload["tools"] = tools
             payload["tool_choice"] = "auto"