no_zero_padding.diff

diff --git a/app/models/concerns/interval_record.rb b/app/models/concerns/interval_record.rb
index a16d3f2..90c436f 100644
--- a/app/models/concerns/interval_record.rb
+++ b/app/models/concerns/interval_record.rb
@@ -120,12 +120,7 @@ module Concerns::IntervalRecord
       time_range = date_range.time_range(utc_offset)
       records = for_client(client_id).in_time_range(time_range)
 
-      roll_up = HourlyToDailyRollUp.new(
-        records,
-        utc_offset,
-        date_range: date_range,
-        empty_value: 0,
-      )
+      roll_up = HourlyToDailyRollUp.new(records, utc_offset)
       roll_up.roll_up do |_date, hourly_records, previous_record|
         roll_up_strategy.call(hourly_records, previous_record)
       end