diff --git a/bioio_ome_zarr/reader.py b/bioio_ome_zarr/reader.py
index 0ef2612..b592414 100644
--- a/bioio_ome_zarr/reader.py
+++ b/bioio_ome_zarr/reader.py
@@ -263,6 +263,4 @@ def _get_coords(
 
 
 def get_zarr_reader(fs: AbstractFileSystem, path: str) -> ZarrReader:
-    if fs is not None:
-        return ZarrReader(ZarrLocation(zarr.storage.FSStore(url=path, fs=fs)))
-    return ZarrReader(parse_url(path, mode="r"))
+    return ZarrReader(ZarrLocation(zarr.storage.FSStore(url=path, fs=fs)))