diff --git a/api/core/model_runtime/model_providers/nvidia/rerank/rerank.py b/api/core/model_runtime/model_providers/nvidia/rerank/rerank.py
index f792dee2d5e65b..80c24b0555cd41 100644
--- a/api/core/model_runtime/model_providers/nvidia/rerank/rerank.py
+++ b/api/core/model_runtime/model_providers/nvidia/rerank/rerank.py
@@ -52,7 +52,6 @@ def _invoke(self, model: str, credentials: dict,
             payload = {
                 "model": model,
                 "query": {"text": query},
-                "top_n": 1,
                 "passages": [{"text": doc} for doc in docs],
             }
             session = requests.Session()