diff --git a/daops/data_utils/attr_utils.py b/daops/data_utils/attr_utils.py
index 874eb8d..6abb476 100644
--- a/daops/data_utils/attr_utils.py
+++ b/daops/data_utils/attr_utils.py
@@ -1,3 +1,5 @@
+import cf_xarray
+
 from roocs_utils.xarray_utils import xarray_utils as xu
 
 from .common_utils import handle_derive_str
@@ -67,6 +69,10 @@ def remove_fill_values(ds_id, ds):
         if ds.coords[coord_id].dims == (coord_id,):
             ds[coord_id].encoding["_FillValue"] = None
 
+        bounds = ds.cf.get_bounds(coord_id)
+        if bounds is not None:
+            bounds.encoding["_FillValue"] = None
+
     return ds