diff --git a/app/helpers/notifications_helper.rb b/app/helpers/notifications_helper.rb
deleted file mode 100644
index 2e551b3cb..000000000
--- a/app/helpers/notifications_helper.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-module NotificationsHelper
-  def reply_link(notification)
-    if notification.post
-      # comment on the post in question
-      new_comment_url(post_id: notification.post.id)
-    else
-      # by default, reply link sends a PM in return
-      notification_reply_url(notification)
-    end
-  end
-end
diff --git a/app/mailers/notifier.rb b/app/mailers/notifier.rb
deleted file mode 100644
index 0386450f1..000000000
--- a/app/mailers/notifier.rb
+++ /dev/null
@@ -1,56 +0,0 @@
-class Notifier < ApplicationMailer
-  include NotificationsHelper
-  default from: "Growstuff <#{ENV['GROWSTUFF_EMAIL']}>"
-
-  def verifier
-    unless ENV['RAILS_SECRET_TOKEN']
-      raise "RAILS_SECRET_TOKEN environment variable"\
-        "not set - have you created config/application.yml?"
-    end
-
-    ActiveSupport::MessageVerifier.new(ENV['RAILS_SECRET_TOKEN'])
-  end
-
-  def notify(notification)
-    @notification = notification
-    @reply_link = reply_link(@notification)
-
-    # Encrypting
-    message = { member_id: @notification.recipient.id, type: :send_notification_email }
-    @signed_message = verifier.generate(message)
-
-    mail(to:      @notification.recipient.email,
-         subject: @notification.subject)
-  end
-
-  def planting_reminder(member)
-    @member = member
-
-    @plantings = @member.plantings.order(planted_at: :desc).first(5)
-    @harvests = @member.harvests.order(harvested_at: :desc).first(5)
-
-    # Encrypting
-    message = { member_id: @member.id, type: :send_planting_reminder }
-    @signed_message = verifier.generate(message)
-
-    mail(to: @member.email, subject: "What have you planted lately?") if @member.send_planting_reminder
-  end
-
-  def new_crop_request(member, request)
-    @member = member
-    @request = request
-    mail(to: @member.email, subject: "#{@request.requester.login_name} has requested #{@request.name} as a new crop")
-  end
-
-  def crop_request_approved(member, crop)
-    @member = member
-    @crop = crop
-    mail(to: @member.email, subject: "#{crop.name.capitalize} has been approved")
-  end
-
-  def crop_request_rejected(member, crop)
-    @member = member
-    @crop = crop
-    mail(to: @member.email, subject: "#{crop.name.capitalize} has been rejected")
-  end
-end
diff --git a/spec/helpers/notifications_helper_spec.rb b/spec/helpers/notifications_helper_spec.rb
deleted file mode 100644
index 68262fb9e..000000000
--- a/spec/helpers/notifications_helper_spec.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-require 'rails_helper'
-
-describe NotificationsHelper do
-  describe "reply_link" do
-    let(:member) { FactoryBot.create(:member) }
-
-    it "replies to PMs with PMs" do
-      notification = FactoryBot.create(:notification, recipient_id: member.id, post_id: nil)
-      link = helper.reply_link(notification)
-      link.should_not be_nil
-      link.should eq notification_reply_url(notification)
-    end
-
-    it "replies to post comments with post comments" do
-      notification = FactoryBot.create(:notification, recipient_id: member.id)
-
-      link = helper.reply_link(notification)
-      link.should_not be_nil
-      link.should eq new_comment_url(
-        post_id: notification.post.id
-      )
-    end
-  end
-end