diff --git a/modules/contrail/util.py b/modules/contrail/util.py
index e9517f623a4e3ed3a5e26e186b263a0d9abb7697..715de62a0c35c21d4ae3003b69fdbac907823fae 100644
--- a/modules/contrail/util.py
+++ b/modules/contrail/util.py
@@ -54,9 +54,9 @@ def extract(mask_image, image_ts, clavrx_path):
 
     contrail_idxs = (mask_image == 1).flatten()
     print('number of contrail pixels: ', np.sum(contrail_idxs))
-    contrail_lines, contrail_elems = lines[contrail_idxs], elems[contrail_idxs]
 
     # See note above regarding support for GOES-18
+    # contrail_lines, contrail_elems = lines[contrail_idxs], elems[contrail_idxs]
     # contrail_lons, contrail_lats = geos_nav.lc_to_earth(contrail_elems, contrail_lines)
 
     contrail_press = cloud_top_press[contrail_idxs]