diff --git a/optimum/exporters/onnx/model_configs.py b/optimum/exporters/onnx/model_configs.py
index f402141939c..cb60daf5bc0 100644
--- a/optimum/exporters/onnx/model_configs.py
+++ b/optimum/exporters/onnx/model_configs.py
@@ -18,7 +18,6 @@
 from typing import TYPE_CHECKING, Any, Dict, List, Literal, Optional, Tuple, Union
 
 from packaging import version
-from sipbuild.generator.parser.tokens import states
 from transformers.utils import is_tf_available
 
 from ...onnx import merge_decoders