diff --git a/app/models/box_form.rb b/app/models/box_form.rb
index eb8ca918d..5ece9b0ff 100644
--- a/app/models/box_form.rb
+++ b/app/models/box_form.rb
@@ -207,7 +207,7 @@ def have_distractor_sample?
 
   def parse_csv(path)
     CSV.open(path, headers: true) do |csv|
-      csv.each_with_index do |row|
+      csv.each do |row|
         next unless batch_number = row["Batch"]&.strip.presence
         next unless batch = @box.institution.batches.find_by(batch_number: batch_number)