diff --git a/lib/widget/old_group_bys.rb b/lib/widget/old_group_bys.rb
deleted file mode 100644
index 7c1693fc59..0000000000
--- a/lib/widget/old_group_bys.rb
+++ /dev/null
@@ -1,114 +0,0 @@
-class Widget::OldGroupBys < Widget::Base
-  extend ProactiveAutoloader
-
-  def render_row_1_with_columns
-    content_tag :tr do
-      tr = content_tag :td, " ", :colspan => "2"
-      tr += content_tag :td, :align => "center", :valign => "right" do
-        render_up_down_buttons("columns")
-      end
-      tr += content_tag :td, :valign => "middle" do
-        content_tag(:h3, "Columns") + selected_group_bys("columns")
-      end
-    end
-  end
-
-  def render_row_2_with_up_down
-    content_tag :tr do
-      tr = content_tag :td, " "
-      tr += content_tag :td, :valign => "bottom", :style => "padding-bottom: 0;" do
-        content_tag :h3, "Rows"
-      end
-      tr += content_tag :td, " "
-      tr += content_tag :td, :align => "left", :valign => "left" do
-        render_move_buttons("columns", "Up", "Down")
-      end
-    end
-  end
-
-  def render_row_3_with_rows_and_group_bys
-    content_tag :tr do
-      tr = content_tag :td, :align => "center", :valign => "top" do
-        render_up_down_buttons("rows")
-      end
-      tr += content_tag :td ,:style => "padding-left: 0pt;", :valign => "top" do
-        selected_group_bys("rows")
-      end
-      tr += content_tag :td, :align => "center", :valign => "top" do
-        render_move_buttons("rows", "Left", "Right", true)
-      end
-      tr += content_tag :td do
-        render_grouped_group_bys
-      end
-    end
-  end
-
-  #TODO: replace me with a drag&drop group_by selector
-  def render
-    content_tag :div do
-      content_tag :table, :style => "border-collapse: collapse; border: 0pt none;",
-      :id => "group_by_table" do
-        content_tag :tbody do
-          render_row_1_with_columns +
-          render_row_2_with_up_down +
-          render_row_3_with_rows_and_group_bys
-        end
-      end
-    end
-  end
-
-  def selected_group_bys(axis)
-    content_tag :select, "", :style => "width: 180px;", :size => "4",
-        :name => "groups[#{axis}][]", :multiple => "multiple",
-        :id => "group_by_#{axis}"
-  end
-
-  def render_up_down_buttons(axis)
-    render_sort_button(axis, "Up") + tag(:br) + render_sort_button(axis, "Down")
-  end
-
-  def render_sort_button(axis, dir)
-    tag :input, :type => "button", :class => "buttons group_by sort sort#{dir} sort-#{axis}"
-  end
-
-  def render_move_buttons(axis, to, from, br = false)
-    canvas = render_move_option_button(axis, to)
-    canvas += tag(:br) if br
-    canvas + render_move_option_button(axis, from)
-  end
-
-  def render_move_option_button(axis, dir)
-    tag :input, :type => "button", :class => "buttons group_by move move#{dir}"
-  end
-
-  def render_grouped_group_bys
-    content_tag :select, :style => "width: 180px;", :size => "9", :multiple => "multiple", :id => "group_by_container" do
-      engine::GroupBy.all_grouped.sort_by do |label, group_by_ary|
-        l(label)
-      end.collect do |label, group_by_ary|
-        content_tag :optgroup, :label => l(label), :"data-category" => label.to_s do
-          render_group_bys_for(group_by_ary, label)
-        end
-      end.join.html_safe
-    end
-  end
-
-  def render_group_bys_for(group_by_ary, label)
-    group_by_ary.sort_by do |g|
-      l(g.label)
-    end.collect do |group_by|
-      next unless group_by.selectable?
-      render_group_by(group_by, :value => group_by.underscore_name, :"data-category" => label.to_s)
-    end.compact.join.html_safe
-  end
-
-  def render_group_by(group_by, option_tag_options)
-    if grby = @query.group_bys.detect {|g| g.class == group_by }
-      option_tag_options[:"data-selected-axis"] = grby.type.to_s
-      option_tag_options[:"data-selected-index"] = @query.group_bys.index(grby)
-    end
-    content_tag :option, option_tag_options do
-      l(group_by.label)
-    end
-  end
-end