diff --git a/openpilot/sunnypilot/modeld_v2/compile_modeld.py b/openpilot/sunnypilot/modeld_v2/compile_modeld.py
index c99a7c9d25..927e5f3392 100755
--- a/openpilot/sunnypilot/modeld_v2/compile_modeld.py
+++ b/openpilot/sunnypilot/modeld_v2/compile_modeld.py
@@ -296,14 +296,14 @@ def _load_policy_runners(args: argparse.Namespace) -> tuple[list, list]:
 
 
 if __name__ == "__main__":
-  # if 'USB' in os.getenv('DEV', '') or os.getenv('USBGPU'):
-  #   from openpilot.system.hardware.chestnut.flash import link_up
-  #   for _ in range(10):
-  #     if link_up():
-  #       break
-  #     time.sleep(1)
-  #   else:
-  #     raise RuntimeError("Chestnut not ready, skipping big model build")
+  if 'USB' in os.getenv('DEV', '') or os.getenv('USBGPU'):
+    from openpilot.system.hardware.chestnut.flash import link_up
+    for _ in range(10):
+      if link_up():
+        break
+      time.sleep(1)
+    else:
+      raise RuntimeError("Chestnut not ready, skipping big model build")
 
   from openpilot.common.file_chunker import chunk_file, get_chunk_targets
   from openpilot.selfdrive.modeld.get_model_metadata import make_metadata_dict