diff --git a/x2paddle/convert.py b/x2paddle/convert.py
index b20bde9ab0597f7b60010278d218d6a4f682622f..70c6db8063e338dd68bbd17e5a22d68231dbb7df 100644
--- a/x2paddle/convert.py
+++ b/x2paddle/convert.py
@@ -194,22 +194,6 @@ def paddle2onnx(model_path, save_dir):
     mapper.convert(model.program, save_dir)
 
 
-def paddle2onnx(model_path, save_dir):
-    from x2paddle.decoder.paddle_decoder import PaddleDecoder
-    from x2paddle.op_mapper.paddle_op_mapper import PaddleOpMapper
-    model = PaddleDecoder(model_path, '__model__', '__params__')
-    mapper = PaddleOpMapper()
-    mapper.convert(model.program, save_dir)
-
-
-def paddle2onnx(model_path, save_dir):
-    from x2paddle.decoder.paddle_decoder import PaddleDecoder
-    from x2paddle.op_mapper.paddle_op_mapper import PaddleOpMapper
-    model = PaddleDecoder(model_path, '__model__', '__params__')
-    mapper = PaddleOpMapper()
-    mapper.convert(model.program, save_dir)
-
-
 def main():
     if len(sys.argv) < 2:
         print("Use \"x2paddle -h\" to print the help information")