diff --git a/app/admin/administration.rb b/app/admin/administration.rb
deleted file mode 100644
index c47c9195a..000000000
--- a/app/admin/administration.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-ActiveAdmin.register_page "Administration" do
-  menu :parent => "admin_menu", :if => proc{ can? :manage, :all }
-
-  controller do
-    before_filter :my_filter
-    private
-    def my_filter
-      Administration.build_statistic
-      Administration.build_chart
-    end
-  end
-
-  content do
-    panel "Current active users" do 
-      table_for User.all.select{|user|user.online?} do
-        column :id
-        column :name
-        column :roles do |user|
-          user.roles.pluck(:name).join(", ").capitalize
-        end
-        column :updated_at
-      end
-    end
-
-    panel "Logfile Errors" do
-      cmd='tail -n 10000 '+Rails.root.join('log', 'development.log').to_s+' | egrep -B 1 "Error"'
-      s=`#{cmd}`
-      text_node s.html_safe
-    end
-
-    panel "Statistic" do 
-      render 'index'
-    end
-  end
-end