diff --git a/ds_pynative.yaml b/ds_pynative.yaml
index 35954d07d5673701571856742ea76f0ae3d75ec1..15461272e37878dd30e7265018c60fc5b0a42488 100644
--- a/ds_pynative.yaml
+++ b/ds_pynative.yaml
@@ -248,7 +248,6 @@ model:
     norm_topk_prob: True
     moe_token_drop_policy: probs
     moe_router_enable_expert_bias: True
-    moe_router_bias_update_rate: 0.001 # 0.001
 
 # callbacks
 callbacks: