diff --git a/sdks/python/apache_beam/typehints/schemas.py b/sdks/python/apache_beam/typehints/schemas.py
index 6a6544aaa07c..b8176dccb8e2 100644
--- a/sdks/python/apache_beam/typehints/schemas.py
+++ b/sdks/python/apache_beam/typehints/schemas.py
@@ -561,7 +561,6 @@ def named_tuple_from_schema(self, schema: schema_pb2.Schema) -> type:
         '__reduce__',
         _named_tuple_reduce_method(schema.SerializeToString()))
     setattr(user_type, row_type._BEAM_SCHEMA_ID, schema.id)
-    user_type._beam_schema_proto = _Ephemeral(schema)
 
     self.schema_registry.add(user_type, schema)
     coders.registry.register_coder(user_type, coders.RowCoder)