diff --git a/infer/modules/onnx/export.py b/infer/modules/onnx/export.py
index e80384c..ed4a416 100644
--- a/infer/modules/onnx/export.py
+++ b/infer/modules/onnx/export.py
@@ -4,7 +4,6 @@ from infer.lib.infer_pack.models_onnx import SynthesizerTrnMsNSFsidM
 
 
 def export_onnx(ModelPath, ExportedPath):
-    global cpt
     cpt = torch.load(ModelPath, map_location="cpu")
     cpt["config"][-3] = cpt["weight"]["emb_g.weight"].shape[0]
     vec_channels = 256 if cpt.get("version", "v1") == "v1" else 768