diff --git a/vllm/engine/arg_utils.py b/vllm/engine/arg_utils.py
index d0bfab4e6569f..2f307a7ccf16d 100644
--- a/vllm/engine/arg_utils.py
+++ b/vllm/engine/arg_utils.py
@@ -423,10 +423,6 @@ class EngineArgs:
     )
     _api_process_count: int = ParallelConfig._api_process_count
     _api_process_rank: int = ParallelConfig._api_process_rank
-    num_redundant_experts: int | None = None
-    eplb_window_size: int | None = None
-    eplb_step_interval: int | None = None
-    eplb_log_balancedness: bool | None = None
     max_parallel_loading_workers: int | None = (
         ParallelConfig.max_parallel_loading_workers
     )