diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index edf9d71a6fa6b796b8be4ab158209d8e21592372..6cca64a87f5270bdec7b3418376985c84fa102e9 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -52,7 +52,7 @@ train_params_day = ['cld_height_acha', 'cld_geo_thick', 'supercooled_cloud_fract
                     'cloud_phase', 'cloud_mask']
 
 train_params_night = ['cld_height_acha', 'cld_geo_thick', 'supercooled_cloud_fraction', 'cld_temp_acha',
-                      'cld_press_acha', 'solar_zenith_angle', 'cld_reff_acha', 'cld_opd_acha', 'cloud_phase', 'cloud_mask']
+                      'cld_press_acha', 'cld_reff_acha', 'cld_opd_acha', 'cloud_phase', 'cloud_mask']
 
 
 def setup():