diff --git a/src/mcore_bridge/config/parser.py b/src/mcore_bridge/config/parser.py
index 54b8e05..338fa5f 100644
--- a/src/mcore_bridge/config/parser.py
+++ b/src/mcore_bridge/config/parser.py
@@ -106,13 +106,9 @@ def _convert_config(config, _internal_call=False) -> Dict[str, Any]:
                             k = 'llm_model_type'
                     megatron_config[k] = hf_v
                 break
-    # fix Qwen/Qwen3-VL-30B-A3B-Thinking
-    untie_embeddings_and_output_weights = megatron_config.get('untie_embeddings_and_output_weights')
     for key in ['text_config', 'llm_config', 'thinker_config']:
         if hasattr(config, key):
             megatron_config.update(_convert_config(getattr(config, key), _internal_call=True))
-    if untie_embeddings_and_output_weights is not None:
-        megatron_config['untie_embeddings_and_output_weights'] = untie_embeddings_and_output_weights
     # compat llama3
     if getattr(config, 'rope_scaling', None) is not None:
         if isinstance(config.rope_scaling, int):