diff --git a/parm/aero/jcb-base.yaml.j2 b/parm/aero/jcb-base.yaml.j2
index 40c20b2f8..3c48b74b3 100644
--- a/parm/aero/jcb-base.yaml.j2
+++ b/parm/aero/jcb-base.yaml.j2
@@ -128,15 +128,6 @@ aero_obsbiascovout_prefix: "{{APREFIX}}"
 aero_obsbiascovout_suffix: ".satbias_cov.nc"
 
 bias_files:
-  atms_n20: rad_varbc_params.tar
-  atms_npp: rad_varbc_params.tar
-  mtiasi_metop-a: rad_varbc_params.tar
-  mtiasi_metop-b: rad_varbc_params.tar
-  amsua_n19: rad_varbc_params.tar
-  ssmis_f17: rad_varbc_params.tar
-  ssmis_f18: rad_varbc_params.tar
-  cris-fsr_n20: rad_varbc_params.tar
-  cris-fsr_npp: rad_varbc_params.tar
   viirs_npp_aod: aero_varbc_params.tar
   viirs_n20_aod: aero_varbc_params.tar
   viirs_n21_aod: aero_varbc_params.tar