diff --git a/optimum/exporters/onnx/model_configs.py b/optimum/exporters/onnx/model_configs.py
index b39d19ec782..12cf9c6108b 100644
--- a/optimum/exporters/onnx/model_configs.py
+++ b/optimum/exporters/onnx/model_configs.py
@@ -21,7 +21,6 @@
 from packaging import version
 from transformers.utils import is_tf_available
 
-from ...onnx import merge_decoders
 from ...utils import (
     DEFAULT_DUMMY_SHAPES,
     BloomDummyPastKeyValuesGenerator,
@@ -1875,6 +1874,7 @@ def post_process_exported_models(
             decoder_with_past_path = Path(path, onnx_files_subpaths[3])
             decoder_merged_path = Path(path, ONNX_DECODER_MERGED_NAME + ".onnx")
             try:
+                from ...onnx import merge_decoders
                 # The decoder with past does not output the cross attention past key values as they are constant,
                 # hence the need for strict=False
                 merge_decoders(