diff --git a/app/controllers/ajax/moderation_controller.rb b/app/controllers/ajax/moderation_controller.rb
index 7aa86ffe..dda91f54 100644
--- a/app/controllers/ajax/moderation_controller.rb
+++ b/app/controllers/ajax/moderation_controller.rb
@@ -166,7 +166,7 @@ class Ajax::ModerationController < ApplicationController
     @message = I18n.t('messages.moderation.privilege.nope')
     return unless %w(moderator admin).include? params[:type].downcase
 
-    if %w(moderator admin).include?(params[:type].downcase) && !current_user.has_role?(:administrator)
+    unless current_user.has_role?(:administrator)
       @status = :nopriv
       @message = I18n.t('messages.moderation.privilege.nopriv')
       @success = false
@@ -177,12 +177,10 @@ class Ajax::ModerationController < ApplicationController
     type = params[:type].downcase
     target_role = {"admin" => "administrator"}.fetch(type, type).to_sym
 
-    if %w(moderator admin).include? type
-      if status
-        target_user.add_role target_role
-      else
-        target_user.remove_role target_role
-      end
+    if status
+      target_user.add_role target_role
+    else
+      target_user.remove_role target_role
     end
     target_user.save!
 
diff --git a/app/controllers/static_controller.rb b/app/controllers/static_controller.rb
index 1fd3bb62..387c9f32 100644
--- a/app/controllers/static_controller.rb
+++ b/app/controllers/static_controller.rb
@@ -12,7 +12,7 @@ class StaticController < ApplicationController
   end
 
   def about
-    @admins = User.where(admin: true).order(:id)
+
   end
 
   def faq
diff --git a/app/views/static/about.html.haml b/app/views/static/about.html.haml
index 8f75c31a..4275d4f5 100644
--- a/app/views/static/about.html.haml
+++ b/app/views/static/about.html.haml
@@ -37,14 +37,6 @@
           %h4.heading-about.text-center= t 'views.about.repository.title'
           %p.text-center
             %em= t 'views.about.repository.desc'
-        .col-md-4
-          %h3= t 'views.about.contributors.title'
-          %p= t('views.about.contributors.desc', app_title: APP_CONFIG['site_name'])
-          %p= raw t('views.about.contributors.howto', fork: link_to(t('views.about.contributors.fork'), "https://github.com/retrospring/retrospring"))
-          %ul.about--moderator
-            - User.where(contributor: true).each do |sup|
-              %a{href: show_user_profile_path(sup.screen_name), title: sup.screen_name, data: { toggle: :tooltip, placement: :top }}
-                %img.img-rounded.answerbox--img-small{src: sup.profile_picture.url(:medium)}
   .panel.panel-default
     .panel-body
       .row
@@ -57,9 +49,9 @@
           %h2.entry-text#answered-count= Answer.count
           %h4.entry-subtext= t('views.general.answer').pluralize(Answer.count)
         .col-md-3.col-sm-6.col-xs-6.statistics
-          %h2.entry-text#asked-count= Comment.count
+          %h2.entry-text#comment-count= Comment.count
           %h4.entry-subtext= t('views.general.comment').pluralize(Comment.count)
-          %h2.entry-text#answered-count= Smile.count + CommentSmile.count
+          %h2.entry-text#smile-count= Smile.count + CommentSmile.count
           %h4.entry-subtext= t('views.general.smile').pluralize(Smile.count)
         .col-md-3.col-sm-12.col-xs-12.users
           .entry-text#follower-count= User.count