diff --git a/app/controllers/maps_controller.rb b/app/controllers/maps_controller.rb
index a74a35c2..0a0b11d5 100644
--- a/app/controllers/maps_controller.rb
+++ b/app/controllers/maps_controller.rb
@@ -4,8 +4,6 @@ class MapsController < ApplicationController
   before_action :set_map, only: [:show, :update, :destroy, :access, :contains, :events, :export, :screenshot, :star, :unstar]
   after_action :verify_authorized
 
-  respond_to :html, :json, :csv
-
   autocomplete :map, :name, full: true, extra_data: [:user_id]
 
   # GET maps/:id
@@ -24,7 +22,6 @@ class MapsController < ApplicationController
       end
       format.json { render json: @map }
       format.csv { redirect_to action: :export, format: :csv }
-      format.xls { redirect_to action: :export, format: :xls }
     end
   end
 
@@ -118,7 +115,6 @@ class MapsController < ApplicationController
     respond_to do |format|
       format.json { render json: exporter.json }
       format.csv { send_data exporter.csv }
-      format.xls { @spreadsheet = exporter.xls }
     end
   end
 
diff --git a/app/services/map_export_service.rb b/app/services/map_export_service.rb
index 2ded756c..4e1d216e 100644
--- a/app/services/map_export_service.rb
+++ b/app/services/map_export_service.rb
@@ -22,10 +22,6 @@ class MapExportService
     end
   end
 
-  def xls
-    to_spreadsheet
-  end
-
   private
 
   def topic_headings
diff --git a/app/views/maps/export.xls.erb b/app/views/maps/export.xls.erb
deleted file mode 100644
index 7030d501..00000000
--- a/app/views/maps/export.xls.erb
+++ /dev/null
@@ -1,9 +0,0 @@
-<table>
-  <% @spreadsheet.each do |line| %>
-    <tr>
-      <% line.each do |field| %>
-        <td><%= field %></td>
-      <% end %>
-    </tr>
-  <% end %>
-</table>
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 5e8d015a..6e1d16f0 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -3,5 +3,3 @@
 
 # Add new mime types for use in respond_to blocks:
 # Mime::Type.register "text/richtext", :rtf
-
-Mime::Type.register 'application/xls', :xls