diff --git a/src/satctl/sources/earthdata.py b/src/satctl/sources/earthdata.py
index 5e4ea7e..545c885 100644
--- a/src/satctl/sources/earthdata.py
+++ b/src/satctl/sources/earthdata.py
@@ -11,9 +11,8 @@
 
 from satctl.auth import AuthBuilder
 from satctl.downloaders import DownloadBuilder, Downloader
-from satctl.model import ConversionParams, Granule, ProductInfo, SearchParams
+from satctl.model import Granule, ProductInfo, SearchParams
 from satctl.sources import DataSource
-from satctl.writers import Writer
 
 log = logging.getLogger(__name__)
 
diff --git a/src/satctl/sources/mtg.py b/src/satctl/sources/mtg.py
index 8ebfecd..43a8853 100644
--- a/src/satctl/sources/mtg.py
+++ b/src/satctl/sources/mtg.py
@@ -212,7 +212,7 @@ def load_scene(
             reader=reader,
             datasets=datasets,
             lazy=True,
-            scene_options=scene_options,
+            **scene_options,
         )
         # note: the data inside the FCI files is stored upside down.
         # The upper_right_corner='NE' argument flips it automatically in upright position
diff --git a/src/satctl/sources/sentinel1.py b/src/satctl/sources/sentinel1.py
index 650f503..100accc 100644
--- a/src/satctl/sources/sentinel1.py
+++ b/src/satctl/sources/sentinel1.py
@@ -1,20 +1,17 @@
 import logging
 import re
 from abc import abstractmethod
-from collections import defaultdict
 from datetime import datetime, timezone
 from pathlib import Path
 from typing import cast
 
 from pydantic import BaseModel
 from pystac_client import Client
-from xarray import DataArray
 
 from satctl.auth import AuthBuilder
 from satctl.downloaders import DownloadBuilder, Downloader
-from satctl.model import ConversionParams, Granule, ProductInfo, SearchParams
+from satctl.model import Granule, ProductInfo, SearchParams
 from satctl.sources import DataSource
-from satctl.writers import Writer
 
 log = logging.getLogger(__name__)
 
diff --git a/src/satctl/sources/sentinel2.py b/src/satctl/sources/sentinel2.py
index 05f9e35..cf2a219 100644
--- a/src/satctl/sources/sentinel2.py
+++ b/src/satctl/sources/sentinel2.py
@@ -11,9 +11,8 @@
 
 from satctl.auth import AuthBuilder
 from satctl.downloaders import DownloadBuilder, Downloader
-from satctl.model import ConversionParams, Granule, ProductInfo, SearchParams
+from satctl.model import Granule, ProductInfo, SearchParams
 from satctl.sources import DataSource
-from satctl.writers import Writer
 
 log = logging.getLogger(__name__)
 
@@ -254,7 +253,7 @@ def load_scene(
             reader=reader,
             datasets=datasets,
             lazy=True,
-            scene_options=scene_options,
+            **scene_options,
         )
         # Load with specified calibration
         if not lazy: