diff --git a/saqc/core/translation/basescheme.py b/saqc/core/translation/basescheme.py
index 127d438a37e22d4da1cd6acf22f94e60d3895cc2..b5ce8f2aff3e54954843b7559ec9477e26559d54 100644
--- a/saqc/core/translation/basescheme.py
+++ b/saqc/core/translation/basescheme.py
@@ -178,9 +178,6 @@ class MappingScheme(TranslationScheme):
         flags : pd.DataFrame
             The external flags to translate
 
-        raw: bool, default False
-            if True return data as DictOfSeries, otherwise as pandas DataFrame.
-
         attrs : dict or None, default None
             global meta information of saqc-object