diff --git a/tensorrt_llm/llmapi/llm_args.py b/tensorrt_llm/llmapi/llm_args.py
index 2ce9bb6244..dcf2eae061 100644
--- a/tensorrt_llm/llmapi/llm_args.py
+++ b/tensorrt_llm/llmapi/llm_args.py
@@ -3344,7 +3344,6 @@ def update_llm_args_with_extra_dict(
         "attention_dp_config": AttentionDpConfig,
         "sparse_attention_config": BaseSparseAttentionConfig,
         "kv_cache_config": KvCacheConfig,
-        "ray_placement_config": RayPlacementConfig,
     }
     for field_name, field_type in field_mapping.items():
         if field_name in llm_args_dict: