diff --git a/kedro/io/lambda_dataset.py b/kedro/io/lambda_dataset.py
index 126bef6632..9c6ee10498 100644
--- a/kedro/io/lambda_dataset.py
+++ b/kedro/io/lambda_dataset.py
@@ -49,7 +49,7 @@ def _to_str(func: Any) -> str | None:
 
         return descr
 
-    def load(self) -> Any:
+    def _load(self) -> Any:
         if not self.__load:
             raise DatasetError(
                 "Cannot load data set. No 'load' function "
@@ -57,7 +57,7 @@ def load(self) -> Any:
             )
         return self.__load()
 
-    def save(self, data: Any) -> None:
+    def _save(self, data: Any) -> None:
         if not self.__save:
             raise DatasetError(
                 "Cannot save to data set. No 'save' function "