diff --git a/litellm/llms/sap/chat/transformation.py b/litellm/llms/sap/chat/transformation.py
index d9307ed4b9..2b1573bf4e 100755
--- a/litellm/llms/sap/chat/transformation.py
+++ b/litellm/llms/sap/chat/transformation.py
@@ -203,12 +203,8 @@ class GenAIHubOrchestrationConfig(OpenAIGPTConfig):
         litellm_params: dict,
         headers: dict,
     ) -> dict:
-        supported_params = self.get_supported_openai_params(model)
-        # Include extra params that passed validation (e.g., thinking_config for Gemini models via allowed_openai_params)
-        extra_params = [k for k in optional_params if k not in supported_params and k not in {"tools", "model_version"}]
-        supported_params = supported_params + extra_params
         model_params = {
-            k: v for k, v in optional_params.items() if k in supported_params
+            k: v for k, v in optional_params.items() if k not in {"tools", "model_version", "deployment_url"}
         }
 
         model_version = optional_params.pop("model_version", "latest")