diff --git a/src/depiction/image/multi_channel_image.py b/src/depiction/image/multi_channel_image.py
index 2e963cb..7656b02 100644
--- a/src/depiction/image/multi_channel_image.py
+++ b/src/depiction/image/multi_channel_image.py
@@ -90,8 +90,6 @@ def data_flat(self) -> DataArray:
 
     # TODO from_dense_array
 
-    # TODO get_single_channel_dense_array
-
     def retain_channels(
         self, indices: Sequence[int] | None = None, coords: Sequence[Any] | None = None
     ) -> MultiChannelImage:
@@ -103,9 +101,6 @@ def retain_channels(
 
     # TODO save_single_channel_image... does it belong here or into plotter?
 
-    # TODO to_dense_xarray
-    # TODO from_dense_xarray
-
     def write_hdf5(self, path: Path) -> None:
         """Writes the image to a HDF5 file (actually NETCDF4)."""
         self._data.to_netcdf(path, format="NETCDF4")