diff --git a/app/helpers/bulk_upload/sales_log_to_csv.rb b/app/helpers/bulk_upload/sales_log_to_csv.rb
index 79b136adb..cb31d9365 100644
--- a/app/helpers/bulk_upload/sales_log_to_csv.rb
+++ b/app/helpers/bulk_upload/sales_log_to_csv.rb
@@ -70,8 +70,7 @@ class BulkUpload::SalesLogToCsv
     when 2025
       (1..121).to_a
     when 2026
-      # TODO: CLDC-4162: Replace with actual field numbers when 2026 format is known
-      (1..121).to_a
+      (1..BulkUpload::Lettings::Year2026::CsvParser::FIELDS).to_a
     else
       raise NotImplementedError "No mapping function implemented for year #{year}"
     end
diff --git a/app/services/bulk_upload/sales/validator.rb b/app/services/bulk_upload/sales/validator.rb
index c26d8d1ca..7b1dbd48e 100644
--- a/app/services/bulk_upload/sales/validator.rb
+++ b/app/services/bulk_upload/sales/validator.rb
@@ -167,7 +167,7 @@ private
 
     column_count = rows.map(&:size).max
 
-    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.over_max_column_count")) if column_count > csv_parser.class::MAX_COLUMNS
+    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.over_max_column_count")) if column_count > csv_parser.class::FIELDS + 1
   end
 
   def validate_correct_template
diff --git a/app/services/bulk_upload/sales/year2026/csv_parser.rb b/app/services/bulk_upload/sales/year2026/csv_parser.rb
index e6a6fa9c0..78e467807 100644
--- a/app/services/bulk_upload/sales/year2026/csv_parser.rb
+++ b/app/services/bulk_upload/sales/year2026/csv_parser.rb
@@ -5,7 +5,6 @@ class BulkUpload::Sales::Year2026::CsvParser
 
   # TODO: CLDC-4162: Update when 2026 format is known
   FIELDS = 127
-  MAX_COLUMNS = FIELDS + 1
   FORM_YEAR = 2026
 
   attr_reader :path
diff --git a/db/schema.rb b/db/schema.rb
index 6fd081249..727e809c7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -376,14 +376,6 @@ ActiveRecord::Schema[7.2].define(version: 2026_01_28_121417) do
     t.boolean "manual_address_entry_selected", default: false
     t.integer "referral_type"
     t.integer "working_situation_illness_check"
-    t.string "sexrab1"
-    t.string "sexrab2"
-    t.string "sexrab3"
-    t.string "sexrab4"
-    t.string "sexrab5"
-    t.string "sexrab6"
-    t.string "sexrab7"
-    t.string "sexrab8"
     t.index ["assigned_to_id"], name: "index_lettings_logs_on_assigned_to_id"
     t.index ["bulk_upload_id"], name: "index_lettings_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_lettings_logs_on_created_by_id"