diff --git a/app/services/conference/calendar.rb b/app/services/conference/calendar.rb
deleted file mode 100644
index acd8f05e..00000000
--- a/app/services/conference/calendar.rb
+++ /dev/null
@@ -1,64 +0,0 @@
-class Conferences::Calendar
-  private_class_method :new
-
-  def self.call(conference:, is_full_calendar:)
-    new(conference, is_full_calendar).call
-  end
-
-  def initialize(conference:, is_full_calendar:)
-    @calendar = Icalendar::Calendar.new
-    @conference = conference
-    @is_full_calendar = is_full_calendar
-  end
-
-  def not_full_calendar
-    calendar.event do |e|
-      default_calendar_params(e)
-      if @conference.venue
-        venue_calendar_params(e)
-      end
-    end
-    calendar
-  end
-
-  def full_calendar
-    icalendar_proposals(@calendar, event_schedules.map(&:event), @conference)
-  end
-
-  private
-
-  def default_calendar_params(event)
-    event.dtstart = @conference.start_date
-    event.dtstart.ical_params = { 'VALUE'=>'DATE' }
-    event.dtend = @conference.end_date
-    event.dtend.ical_params = { 'VALUE'=>'DATE' }
-    event.duration = "P#{(@conference.end_date - @conference.start_date + 1).floor}D"
-    event.created = @conference.created_at
-    event.last_modified = @conference.updated_at
-    event.summary = @conference.title
-    event.description = @conference.description
-    event.uid = @conference.guid
-    event.url = conference_url(@conference.short_title)
-  end
-
-  def venue_calendar_params(event)
-    venue = @conference.venue
-    event.geo = venue.latitude, venue.longitude if venue.latitude && venue.longitude
-    location = location(venue)
-    event.location = location if location
-  end
-
-  def location(venue)
-    location = ''
-    location += "#{venue.street}, " if venue.street
-    location += "#{venue.postalcode} #{venue.city}, " if venue.postalcode && venue.city
-    location += venue.country_name if venue.country_name
-    location
-  end
-
-  def event_schedules
-    @conference.program.selected_event_schedules(
-        includes: [{ event: %i[event_type speakers submitter] }]
-      )
-  end
-end