diff --git a/python/sglang/srt/model_executor/model_runner.py b/python/sglang/srt/model_executor/model_runner.py
index d06b28124..ca67da75e 100644
--- a/python/sglang/srt/model_executor/model_runner.py
+++ b/python/sglang/srt/model_executor/model_runner.py
@@ -1044,10 +1044,6 @@ class ModelRunner:
         self.server_args.load_format = load_format
         self.load_config = load_config
 
-        # Recapture device graph after model weight update.
-        if not self.server_args.disable_cuda_graph and self.device == "cuda":
-            self.init_device_graphs()
-
         logger.info("Update weights end.")
         return True, "Succeeded to update model weights."