diff --git a/python/sglang/srt/batch_overlap/single_batch_overlap.py b/python/sglang/srt/batch_overlap/single_batch_overlap.py
index 815ba8715..42cdec660 100644
--- a/python/sglang/srt/batch_overlap/single_batch_overlap.py
+++ b/python/sglang/srt/batch_overlap/single_batch_overlap.py
@@ -87,7 +87,7 @@ def compute_overlap_args(dispatch_output, alt_stream):
 
     hidden_states = dispatch_output.hidden_states
 
-    num_local_experts, num_tokens_static, hidden_dim = hidden_states.shape
+    num_local_experts, num_tokens_static = hidden_states.shape
 
     total_num_sms = torch.cuda.get_device_properties(
         device="cuda"