diff --git a/sdk/python/feast/data_source.py b/sdk/python/feast/data_source.py
index 258b09d33e..db9eabfb9f 100644
--- a/sdk/python/feast/data_source.py
+++ b/sdk/python/feast/data_source.py
@@ -180,7 +180,6 @@ class DataSource(ABC):
 
     def __init__(
         self,
-        *,
         event_timestamp_column: Optional[str] = None,
         created_timestamp_column: Optional[str] = None,
         field_mapping: Optional[Dict[str, str]] = None,