diff --git a/vllm/model_executor/models/qwen2.py b/vllm/model_executor/models/qwen2.py
index f4c2d3cb7..a91aa2cdf 100644
--- a/vllm/model_executor/models/qwen2.py
+++ b/vllm/model_executor/models/qwen2.py
@@ -389,8 +389,6 @@ class Qwen2Model(nn.Module):
         else:
             self.embed_tokens = PPMissingLayer()
 
-        # Use the provided decoder layer type or default to Qwen2DecoderLayer
-        decoder_layer_type = decoder_layer_type or Qwen2DecoderLayer
         self.start_layer, self.end_layer, self.layers = make_layers(
             config.num_hidden_layers,
             lambda prefix: decoder_layer_type(