diff --git a/python/sglang/srt/models/deepseek_v2.py b/python/sglang/srt/models/deepseek_v2.py
index ab67e03a61b6..2b1c3c04d6cf 100644
--- a/python/sglang/srt/models/deepseek_v2.py
+++ b/python/sglang/srt/models/deepseek_v2.py
@@ -3202,7 +3202,6 @@ def forward(
 class DeepseekV2ForCausalLM(nn.Module):
     # for quark model load
     packed_modules_mapping = {}
-    model_cls = DeepseekV2Model
 
     def __init__(
         self,
@@ -3228,7 +3227,7 @@ def __init__(
         self.quant_config = quant_config
         self.determine_num_fused_shared_experts()
         self.use_nsa = is_deepseek_nsa(config)
-        self.model = self.model_cls(
+        self.model = DeepseekV2Model(
             config, quant_config, prefix=add_prefix("model", prefix)
         )
         if self.pp_group.is_last_rank: