diff --git a/swift/llm/dataset/preprocessor/core.py b/swift/llm/dataset/preprocessor/core.py
index 825c0ba1f..c3d692f4c 100644
--- a/swift/llm/dataset/preprocessor/core.py
+++ b/swift/llm/dataset/preprocessor/core.py
@@ -312,10 +312,6 @@ def preprocess(self, row: Dict[str, Any]) -> Optional[Dict[str, Any]]:
 
 class AlpacaPreprocessor(ResponsePreprocessor):
 
-    def __init__(self, *, columns_mapping: Optional[Dict[str, str]] = None, **kwargs) -> None:
-        """Alpaca format preprocessor"""
-        super().__init__(columns_mapping=columns_mapping, **kwargs)
-
     @classmethod
     def concat_inst_input(cls, instruction, input_):
         if instruction and input_: