diff --git a/app/services/imports/lettings_logs_import_service.rb b/app/services/imports/lettings_logs_import_service.rb
index 1d5ddfca3..8fe71d3dc 100644
--- a/app/services/imports/lettings_logs_import_service.rb
+++ b/app/services/imports/lettings_logs_import_service.rb
@@ -126,7 +126,6 @@ module Imports
       (1..10).each do |index|
         attributes["illness_type_#{index}"] = illness_type(xml_doc, index, attributes["illness"])
       end
-      attributes["illness_type_0"] = 1 if (1..10).all? { |idx| attributes["illness_type_#{idx}"].nil? || attributes["illness_type_#{idx}"].zero? }
 
       attributes["prevten"] = unsafe_string_as_integer(xml_doc, "Q11")
       attributes["prevloc"] = string_or_nil(xml_doc, "Q12aONS")
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 606a317f4..996a22e75 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -6047,9 +6047,6 @@
                     },
                     "illness_type_10": {
                       "value": "Other"
-                    },
-                    "illness_type_0": {
-                      "value": "Tenant prefers not to say"
                     }
                   }
                 }
diff --git a/config/forms/2022_2023.json b/config/forms/2022_2023.json
index bf9e445d2..322a97b44 100644
--- a/config/forms/2022_2023.json
+++ b/config/forms/2022_2023.json
@@ -6049,9 +6049,6 @@
                     },
                     "illness_type_10": {
                       "value": "Other"
-                    },
-                    "illness_type_0": {
-                      "value": "Tenant prefers not to say"
                     }
                   }
                 }
diff --git a/spec/fixtures/complete_lettings_log.json b/spec/fixtures/complete_lettings_log.json
index 805e65a3d..f97d2f37f 100644
--- a/spec/fixtures/complete_lettings_log.json
+++ b/spec/fixtures/complete_lettings_log.json
@@ -1,180 +1,179 @@
 {
   "lettings_log": {
-    "tenancycode":"T1245",
-    "age1":34,
-    "sex1":"M",
-    "ethnic":1,
-    "national":1,
-    "prevten":3,
-    "ecstat1":1,
-    "hhmemb":3,
-    "age2":29,
-    "sex2":"F",
-    "ecstat2":2,
-    "age3":11,
-    "sex3":"R",
-    "ecstat3":9,
-    "age4":null,
-    "sex4":null,
-    "ecstat4":null,
-    "age5":null,
-    "sex5":null,
-    "ecstat5":null,
-    "age6":null,
-    "sex6":null,
-    "ecstat6":null,
-    "age7":null,
-    "sex7":null,
-    "ecstat7":null,
-    "age8":null,
-    "sex8":null,
-    "ecstat8":null,
-    "homeless":1,
-    "underoccupation_benefitcap":2,
-    "leftreg":null,
-    "reservist":null,
-    "illness":2,
-    "preg_occ":2,
-    "startertenancy":2,
-    "tenancylength":null,
-    "tenancy":2,
-    "ppostcode_full":"NW18TR",
-    "rsnvac":5,
-    "unittype_gn":7,
-    "beds":2,
-    "offered":0,
-    "wchair":1,
-    "earnings":190,
-    "incfreq":1,
-    "benefits":3,
-    "period":3,
-    "layear":7,
-    "waityear":2,
-    "postcode_full":"NW18EE",
-    "reasonpref":2,
-    "cbl":1,
-    "chr":0,
-    "cap":0,
-    "reasonother":"",
+    "tenancycode": "T1245",
+    "age1": 34,
+    "sex1": "M",
+    "ethnic": 1,
+    "national": 1,
+    "prevten": 3,
+    "ecstat1": 1,
+    "hhmemb": 3,
+    "age2": 29,
+    "sex2": "F",
+    "ecstat2": 2,
+    "age3": 11,
+    "sex3": "R",
+    "ecstat3": 9,
+    "age4": null,
+    "sex4": null,
+    "ecstat4": null,
+    "age5": null,
+    "sex5": null,
+    "ecstat5": null,
+    "age6": null,
+    "sex6": null,
+    "ecstat6": null,
+    "age7": null,
+    "sex7": null,
+    "ecstat7": null,
+    "age8": null,
+    "sex8": null,
+    "ecstat8": null,
+    "homeless": 1,
+    "underoccupation_benefitcap": 2,
+    "leftreg": null,
+    "reservist": null,
+    "illness": 2,
+    "preg_occ": 2,
+    "startertenancy": 2,
+    "tenancylength": null,
+    "tenancy": 2,
+    "ppostcode_full": "NW18TR",
+    "rsnvac": 5,
+    "unittype_gn": 7,
+    "beds": 2,
+    "offered": 0,
+    "wchair": 1,
+    "earnings": 190,
+    "incfreq": 1,
+    "benefits": 3,
+    "period": 3,
+    "layear": 7,
+    "waityear": 2,
+    "postcode_full": "NW18EE",
+    "reasonpref": 2,
+    "cbl": 1,
+    "chr": 0,
+    "cap": 0,
+    "reasonother": "",
     "housingneeds": 1,
     "housingneeds_type": 2,
     "housingneeds_other": 0,
     "housingneeds_c": 1,
-    "illness_type_1":null,
-    "illness_type_2":null,
-    "illness_type_3":null,
-    "illness_type_4":null,
-    "illness_type_8":null,
-    "illness_type_5":null,
-    "illness_type_6":null,
-    "illness_type_7":null,
-    "illness_type_9":null,
-    "illness_type_10":null,
-    "rp_homeless":null,
-    "rp_insan_unsat":null,
-    "rp_medwel":null,
-    "rp_hardship":null,
-    "rp_dontknow":null,
-    "tenancyother":"",
-    "net_income_value_check":null,
-    "property_owner_organisation":null,
-    "property_manager_organisation":null,
-    "irproduct_other":"",
-    "purchaser_code":null,
-    "reason":42,
-    "propcode":"PT562",
-    "majorrepairs":1,
-    "la":"E09000007",
-    "prevloc":"E09000007",
-    "hb":9,
-    "hbrentshortfall":null,
-    "property_relet":null,
-    "mrcdate":"2021-05-07T00:00:00.000+01:00",
-    "incref":null,
-    "startdate":"2021-06-06T00:00:00.000+01:00",
-    "armedforces":2,
-    "first_time_property_let_as_social_housing":0,
-    "unitletas":1,
-    "builtype":1,
-    "voiddate":"2021-05-05T00:00:00.000+01:00",
-    "owning_organisation_id":1,
-    "managing_organisation_id":1,
-    "renttype":2,
-    "needstype":1,
-    "lettype":7,
-    "postcode_known":1,
-    "is_la_inferred":true,
-    "totchild":1,
-    "totelder":0,
-    "totadult":2,
-    "net_income_known":0,
-    "nocharge":0,
-    "is_carehome":null,
-    "household_charge":null,
-    "referral":2,
-    "brent":"350.0",
-    "scharge":"11.0",
-    "pscharge":"11.0",
-    "supcharg":"0.0",
-    "tcharge":"372.0",
-    "tshortfall":null,
-    "chcharge":null,
-    "declaration":1,
-    "ppcodenk":1,
-    "previous_la_known":null,
-    "is_previous_la_inferred":true,
-    "age1_known":0,
-    "age2_known":0,
-    "age3_known":0,
-    "age4_known":null,
-    "age5_known":null,
-    "age6_known":null,
-    "age7_known":null,
-    "age8_known":null,
-    "ethnic_group":0,
-    "letting_allocation_unknown":0,
-    "details_known_2":0,
-    "details_known_3":0,
-    "details_known_4":null,
-    "details_known_5":null,
-    "details_known_6":null,
-    "details_known_7":null,
-    "details_known_8":null,
-    "rent_type":1,
-    "has_benefits":0,
-    "renewal":0,
-    "wrent":"87.5",
-    "wscharge":"2.75",
-    "wpschrge":"2.75",
-    "wsupchrg":"0.0",
-    "wtcharge":"93.0",
-    "wtshortfall":null,
-    "refused":1,
-    "wchchrg":null,
-    "newprop":2,
-    "relat2":"P",
-    "relat3":"C",
-    "relat4":null,
-    "relat5":null,
-    "relat6":null,
-    "relat7":null,
-    "relat8":null,
-    "rent_value_check":null,
-    "old_form_id":null,
-    "lar":null,
-    "irproduct":null,
-    "old_id":null,
-    "joint":null,
-    "created_by_id":2,
-    "illness_type_0":null,
-    "retirement_value_check":null,
-    "tshortfall_known":null,
-    "sheltered":null,
-    "pregnancy_value_check":null,
-    "hhtype":6,
-    "new_old":1,
-    "vacdays":30,
-    "scheme_id":null,
-    "location_id":null
+    "illness_type_1": null,
+    "illness_type_2": null,
+    "illness_type_3": null,
+    "illness_type_4": null,
+    "illness_type_8": null,
+    "illness_type_5": null,
+    "illness_type_6": null,
+    "illness_type_7": null,
+    "illness_type_9": null,
+    "illness_type_10": null,
+    "rp_homeless": null,
+    "rp_insan_unsat": null,
+    "rp_medwel": null,
+    "rp_hardship": null,
+    "rp_dontknow": null,
+    "tenancyother": "",
+    "net_income_value_check": null,
+    "property_owner_organisation": null,
+    "property_manager_organisation": null,
+    "irproduct_other": "",
+    "purchaser_code": null,
+    "reason": 42,
+    "propcode": "PT562",
+    "majorrepairs": 1,
+    "la": "E09000007",
+    "prevloc": "E09000007",
+    "hb": 9,
+    "hbrentshortfall": null,
+    "property_relet": null,
+    "mrcdate": "2021-05-07T00:00:00.000+01:00",
+    "incref": null,
+    "startdate": "2021-06-06T00:00:00.000+01:00",
+    "armedforces": 2,
+    "first_time_property_let_as_social_housing": 0,
+    "unitletas": 1,
+    "builtype": 1,
+    "voiddate": "2021-05-05T00:00:00.000+01:00",
+    "owning_organisation_id": 1,
+    "managing_organisation_id": 1,
+    "renttype": 2,
+    "needstype": 1,
+    "lettype": 7,
+    "postcode_known": 1,
+    "is_la_inferred": true,
+    "totchild": 1,
+    "totelder": 0,
+    "totadult": 2,
+    "net_income_known": 0,
+    "nocharge": 0,
+    "is_carehome": null,
+    "household_charge": null,
+    "referral": 2,
+    "brent": "350.0",
+    "scharge": "11.0",
+    "pscharge": "11.0",
+    "supcharg": "0.0",
+    "tcharge": "372.0",
+    "tshortfall": null,
+    "chcharge": null,
+    "declaration": 1,
+    "ppcodenk": 1,
+    "previous_la_known": null,
+    "is_previous_la_inferred": true,
+    "age1_known": 0,
+    "age2_known": 0,
+    "age3_known": 0,
+    "age4_known": null,
+    "age5_known": null,
+    "age6_known": null,
+    "age7_known": null,
+    "age8_known": null,
+    "ethnic_group": 0,
+    "letting_allocation_unknown": 0,
+    "details_known_2": 0,
+    "details_known_3": 0,
+    "details_known_4": null,
+    "details_known_5": null,
+    "details_known_6": null,
+    "details_known_7": null,
+    "details_known_8": null,
+    "rent_type": 1,
+    "has_benefits": 0,
+    "renewal": 0,
+    "wrent": "87.5",
+    "wscharge": "2.75",
+    "wpschrge": "2.75",
+    "wsupchrg": "0.0",
+    "wtcharge": "93.0",
+    "wtshortfall": null,
+    "refused": 1,
+    "wchchrg": null,
+    "newprop": 2,
+    "relat2": "P",
+    "relat3": "C",
+    "relat4": null,
+    "relat5": null,
+    "relat6": null,
+    "relat7": null,
+    "relat8": null,
+    "rent_value_check": null,
+    "old_form_id": null,
+    "lar": null,
+    "irproduct": null,
+    "old_id": null,
+    "joint": null,
+    "created_by_id": 2,
+    "retirement_value_check": null,
+    "tshortfall_known": null,
+    "sheltered": null,
+    "pregnancy_value_check": null,
+    "hhtype": 6,
+    "new_old": 1,
+    "vacdays": 30,
+    "scheme_id": null,
+    "location_id": null
   }
 }
diff --git a/spec/services/csv/lettings_log_csv_service_spec.rb b/spec/services/csv/lettings_log_csv_service_spec.rb
index e68be40d7..0c86d2de1 100644
--- a/spec/services/csv/lettings_log_csv_service_spec.rb
+++ b/spec/services/csv/lettings_log_csv_service_spec.rb
@@ -121,7 +121,6 @@ RSpec.describe Csv::LettingsLogCsvService do
                                    illness_type_8
                                    illness_type_1
                                    illness_type_10
-                                   illness_type_0
                                    layear
                                    waityear
                                    reason
@@ -197,6 +196,7 @@ RSpec.describe Csv::LettingsLogCsvService do
                                    irproduct
                                    old_id
                                    joint
+                                   illness_type_0
                                    hhtype
                                    new_old
                                    vacdays