diff --git a/app/models/stats/pie_chart_data.rb b/app/models/stats/pie_chart_data.rb
deleted file mode 100644
index 9111c9b5..00000000
--- a/app/models/stats/pie_chart_data.rb
+++ /dev/null
@@ -1,86 +0,0 @@
-module Stats
-  class PieChartData
-
-    attr_reader :all_totals, :alpha, :title
-    def initialize(all_totals, title, alpha)
-      @all_totals = all_totals
-      @title = title
-      @alpha = alpha
-    end
-
-    def values
-      @values ||= Array.new(slices) do |i|
-        chart_totals[i]['total'] * 100 / sum
-      end
-    end
-
-    def labels
-      @labels ||= Array.new(slices) do |i|
-        chart_totals[i]['name'].truncate(15, :omission => '...')
-      end
-    end
-
-    def ids
-      @ids ||= Array.new(slices) do |i|
-        chart_totals[i]['id']
-      end
-    end
-
-    def sum
-      @sum ||= totals.inject(0) do |sum, total|
-        sum + total
-      end
-    end
-
-    private
-
-    def pie_cutoff
-      10
-    end
-
-    def slices
-      @slices ||= [all_totals.size, pie_cutoff].min
-    end
-
-    def subtotal(from, to)
-      totals[from..to].inject(0) do |sum, total|
-        sum + total
-      end
-    end
-
-    def chart_totals
-      unless @chart_totals
-        @chart_totals = first_n_totals(10)
-        if all_totals.size > pie_cutoff
-          @chart_totals[-1] = other
-        end
-      end
-      @chart_totals
-    end
-
-    def first_n_totals(n)
-      # create a duplicate so that we don't accidentally
-      # overwrite the original array
-      Array.new(slices) do |i|
-        {
-          'name' => all_totals[i]['name'],
-          'total' => all_totals[i]['total'],
-          'id' => all_totals[i]['id']
-        }
-      end
-    end
-
-    def other
-      {
-        'name' => I18n.t('stats.other_actions_label'),
-        'id' => -1,
-        'total' => subtotal(slices-1, all_totals.size-1)
-      }
-    end
-
-    def totals
-      @totals ||= all_totals.map { |item| item['total'] }
-    end
-
-  end
-end