diff --git a/app/mailers/pending_flags_mailer.rb b/app/mailers/pending_flags_mailer.rb
deleted file mode 100644
index 39fbbb0fd16..00000000000
--- a/app/mailers/pending_flags_mailer.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-require_dependency 'email/message_builder'
-require_dependency 'flag_query'
-
-class PendingFlagsMailer < ActionMailer::Base
-  include Email::BuildEmailHelper
-
-  def notify
-    return unless SiteSetting.contact_email
-
-    @posts, @topics, @users = FlagQuery.flagged_posts_report(Discourse.system_user, 'active', 0, 20)
-
-    @posts.each do |post| # Note: post is a Hash, not a Post.
-      topic = @topics.select { |t| t[:id] == post[:topic_id] }.first
-
-      post[:title] = topic[:title]
-      post[:url] = "#{Discourse.base_url}#{Post.url(topic[:slug], topic[:id], post[:post_number])}"
-      post[:user] = @users.select { |u| u[:id] == post[:user_id] }.first
-
-      counts = flag_reason_counts(post)
-      post[:reason_counts] = counts.map { |reason, count| "#{I18n.t('post_action_types.' + reason.to_s + '.title')}: #{count}" }.join(', ')
-      post[:html_reason_counts] = counts.map { |reason, count| "<strong>#{I18n.t('post_action_types.' + reason.to_s + '.title')}:</strong> #{count}" }.join(', ')
-    end
-
-    @hours = SiteSetting.notify_about_flags_after
-
-    subject = "[#{SiteSetting.title}] " + I18n.t('flags_reminder.subject_template', count: PostAction.flagged_posts_count)
-    build_email(SiteSetting.contact_email, subject: subject)
-  end
-
-  private
-
-  def flag_reason_counts(post)
-    post[:post_actions].inject({}) do |h, v|
-      h[v[:name_key]] ||= 0
-      h[v[:name_key]] += 1
-      h
-    end
-  end
-end