diff --git a/db/migrate/20230814140221_add_perform_derivative_processing_to_digital_object_records.rb b/db/migrate/20230814140221_add_perform_derivative_processing_to_digital_object_records.rb
index adc52ed6b..b6118e6aa 100644
--- a/db/migrate/20230814140221_add_perform_derivative_processing_to_digital_object_records.rb
+++ b/db/migrate/20230814140221_add_perform_derivative_processing_to_digital_object_records.rb
@@ -4,8 +4,6 @@ def change
       t.boolean :perform_derivative_processing, null: false, default: false
     end
 
-    # Add index to csv_row_number so that we can find the record with
-    # csv_row_number equal to another records's prerequisite_csv_row_numbers
     add_index :digital_object_records, :perform_derivative_processing
   end
 end