diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 9de0e18d9..6e1c0ce0a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -150,11 +150,6 @@ Rails/HasManyOrHasOneDependent:
     - 'app/models/workshop.rb'
     - 'app/models/workshop_invitation.rb'
 
-# Offense count: 1
-Rails/HelperInstanceVariable:
-  Exclude:
-    - 'app/helpers/email_helper.rb'
-
 # Offense count: 2
 # Configuration parameters: IgnoreScopes.
 Rails/InverseOf:
diff --git a/app/helpers/email_helper.rb b/app/helpers/email_helper.rb
deleted file mode 100644
index 549c20d10..000000000
--- a/app/helpers/email_helper.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-module EmailHelper
-  private
-
-  def full_url_for(path)
-    "#{@host}#{path}"
-  end
-end
diff --git a/app/mailers/contact_mailer.rb b/app/mailers/contact_mailer.rb
index 0ddac5d73..3a9ec3c44 100644
--- a/app/mailers/contact_mailer.rb
+++ b/app/mailers/contact_mailer.rb
@@ -2,7 +2,6 @@ class ContactMailer < ApplicationMailer
   include EmailHeaderHelper
 
   helper ApplicationHelper
-  helper EmailHelper
 
   def subscription_notification(contact)
     @contact = contact
diff --git a/app/mailers/event_invitation_mailer.rb b/app/mailers/event_invitation_mailer.rb
index 03652d19d..aaf22740f 100644
--- a/app/mailers/event_invitation_mailer.rb
+++ b/app/mailers/event_invitation_mailer.rb
@@ -40,12 +40,4 @@ def attending(event, member, invitation)
 
     mail_to_member(member, subject, &:html)
   end
-
-  private
-
-  helper do
-    def full_url_for(path)
-      "#{@host}#{path}"
-    end
-  end
 end
diff --git a/app/mailers/feedback_request_mailer.rb b/app/mailers/feedback_request_mailer.rb
index d518406cb..ac77391ab 100644
--- a/app/mailers/feedback_request_mailer.rb
+++ b/app/mailers/feedback_request_mailer.rb
@@ -12,10 +12,4 @@ def request_feedback(workshops, member, feedback_request)
 
     mail_to_member(member, subject, &:html)
   end
-
-  helper do
-    def full_url_for(path)
-      "#{@host}#{path}"
-    end
-  end
 end
diff --git a/app/mailers/meeting_invitation_mailer.rb b/app/mailers/meeting_invitation_mailer.rb
index 8d97ca7e5..784d0cb25 100644
--- a/app/mailers/meeting_invitation_mailer.rb
+++ b/app/mailers/meeting_invitation_mailer.rb
@@ -44,12 +44,4 @@ def attendance_reminder(meeting, member)
     subject = "Reminder: You have a spot for #{@meeting.name} on #{humanize_date(@meeting.date_and_time)}"
     mail_to_member(@member, subject, &:html)
   end
-
-  private
-
-  helper do
-    def full_url_for(path)
-      "#{@host}#{path}"
-    end
-  end
 end
diff --git a/app/mailers/virtual_workshop_invitation_mailer.rb b/app/mailers/virtual_workshop_invitation_mailer.rb
index d0cee66a3..3148361af 100644
--- a/app/mailers/virtual_workshop_invitation_mailer.rb
+++ b/app/mailers/virtual_workshop_invitation_mailer.rb
@@ -1,10 +1,8 @@
 class VirtualWorkshopInvitationMailer < ApplicationMailer
-  include EmailHelper
   include EmailHeaderHelper
   include ApplicationHelper
 
   helper ApplicationHelper
-  helper EmailHelper
 
   def attending(workshop, member, invitation, waiting_list = false)
     setup(workshop, invitation, member)
diff --git a/app/mailers/workshop_invitation_mailer.rb b/app/mailers/workshop_invitation_mailer.rb
index 36390634a..3348b694c 100644
--- a/app/mailers/workshop_invitation_mailer.rb
+++ b/app/mailers/workshop_invitation_mailer.rb
@@ -1,10 +1,8 @@
 class WorkshopInvitationMailer < ApplicationMailer
-  include EmailHelper
   include EmailHeaderHelper
   include ApplicationHelper
 
   helper ApplicationHelper
-  helper EmailHelper
 
   def attending(workshop, member, invitation, waiting_list = false)
     @workshop = WorkshopPresenter.new(workshop)
diff --git a/app/views/contact_mailer/subscription_notification.html.haml b/app/views/contact_mailer/subscription_notification.html.haml
index 6edd8c800..9e9c54ae8 100644
--- a/app/views/contact_mailer/subscription_notification.html.haml
+++ b/app/views/contact_mailer/subscription_notification.html.haml
@@ -3,4 +3,4 @@ Hi #{@contact.name},
 %p
   You have been subscribed to codebar's sponsors mailing list. To opt-out follow the link below:
   %br
-  =link_to 'Update subscription preferences', full_url_for(contact_preferences_url(token: @contact.token)), class: 'btn'
+  =link_to 'Update subscription preferences', contact_preferences_url(token: @contact.token), class: 'btn'
diff --git a/app/views/event_invitation_mailer/attending.html.haml b/app/views/event_invitation_mailer/attending.html.haml
index f90ab6d69..cb78c0531 100644
--- a/app/views/event_invitation_mailer/attending.html.haml
+++ b/app/views/event_invitation_mailer/attending.html.haml
@@ -28,7 +28,7 @@
                   #{@event.name}
                   %br
                   %small #{humanize_date(@event.date_and_time, @event.ends_at, with_time: true)}
-                = link_to 'Update your attendance', full_url_for(event_invitation_url(@event.id, @invitation.token)), class: 'btn'
+                = link_to 'Update your attendance', event_invitation_url(@event.id, @invitation.token), class: 'btn'
 
         .content
           %table
diff --git a/app/views/event_invitation_mailer/invite_coach.html.haml b/app/views/event_invitation_mailer/invite_coach.html.haml
index b38fd4200..309b1c05b 100644
--- a/app/views/event_invitation_mailer/invite_coach.html.haml
+++ b/app/views/event_invitation_mailer/invite_coach.html.haml
@@ -26,7 +26,7 @@
                   #{@event.name}
                 %p 
                   #{humanize_date(@event.date_and_time, @event.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(event_invitation_url(event_id: @event.slug, token: @invitation.token)), class: 'btn'
+                = link_to 'View invitation and RSVP', event_invitation_url(event_id: @event.slug, token: @invitation.token), class: 'btn'
 
         - if @event.venue.present?
           .content
diff --git a/app/views/event_invitation_mailer/invite_student.html.haml b/app/views/event_invitation_mailer/invite_student.html.haml
index d26b3782f..f2918ee9a 100644
--- a/app/views/event_invitation_mailer/invite_student.html.haml
+++ b/app/views/event_invitation_mailer/invite_student.html.haml
@@ -26,7 +26,7 @@
                   #{@event.name}
                 %p
                   #{humanize_date(@event.date_and_time, @event.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(event_invitation_url(event_id: @event.slug, token: @invitation.token)), class: 'btn'
+                = link_to 'View invitation and RSVP', event_invitation_url(event_id: @event.slug, token: @invitation.token), class: 'btn'
 
         - if @event.venue.present?
           .content
diff --git a/app/views/feedback_request_mailer/request_feedback.html.haml b/app/views/feedback_request_mailer/request_feedback.html.haml
index 984ba92b9..7e23ab41a 100644
--- a/app/views/feedback_request_mailer/request_feedback.html.haml
+++ b/app/views/feedback_request_mailer/request_feedback.html.haml
@@ -31,7 +31,7 @@
             %tr
               %td
                 %p
-                  =link_to "Submit feedback", full_url_for(feedback_url(@feedback_request.token)), class: 'btn'
+                  =link_to "Submit feedback", feedback_url(@feedback_request.token), class: 'btn'
 
         .content
           = render partial: 'shared_mailers/social', locals: { workshop: @workshop }
diff --git a/app/views/layouts/email.html.erb b/app/views/layouts/email.html.erb
index 539316d02..030366a72 100644
--- a/app/views/layouts/email.html.erb
+++ b/app/views/layouts/email.html.erb
@@ -17,7 +17,7 @@
         <div style="color: #111111; font-size: 15px; font-weight: 300; margin-top: 60px;">Despo</div>
         <div style="color: #111111; font-size: 16px; font-weight: 600; margin-top: 5px;"><a href="http://codebar.io" style="color: #663095; text-decoration: none;">codebar</a></div>
 
-        <p style="color: #6d6a6a; font-size: 13px; font-weight: 600; margin-top: 90px;">If you dont want to receive these emails <%= link_to "unsubscribe", full_url_for(unsubscribe_url(member_token(@member))), style: "color: #a369d5; text-decoration: underline" %></p>
+        <p style="color: #6d6a6a; font-size: 13px; font-weight: 600; margin-top: 90px;">If you dont want to receive these emails <%= link_to "unsubscribe", unsubscribe_url(member_token(@member)), style: "color: #a369d5; text-decoration: underline" %></p>
       </div>
 
       <div style="width: 100%; height: 40px; background-color: #f6f4f8;"></div>
diff --git a/app/views/shared_mailers/_footer.html.haml b/app/views/shared_mailers/_footer.html.haml
index 8d600551a..cf3ef83d8 100644
--- a/app/views/shared_mailers/_footer.html.haml
+++ b/app/views/shared_mailers/_footer.html.haml
@@ -7,6 +7,6 @@
           %tr
             %td{ align: "center" }
               %p
-                %a{ href: full_url_for(unsubscribe_url(member_token(@member))) }
+                %a{ href: unsubscribe_url(member_token(@member)) }
                   %unsubscribe Unsubscribe
     %td
diff --git a/app/views/virtual_workshop_invitation_mailer/attending.html.haml b/app/views/virtual_workshop_invitation_mailer/attending.html.haml
index 8dce99e19..39789098e 100644
--- a/app/views/virtual_workshop_invitation_mailer/attending.html.haml
+++ b/app/views/virtual_workshop_invitation_mailer/attending.html.haml
@@ -34,7 +34,7 @@
               %td
                 %h4
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update or cancel your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update or cancel your attendance', invitation_url(@invitation), class: 'btn'
 
         .content
           %table
diff --git a/app/views/virtual_workshop_invitation_mailer/attending_reminder.html.haml b/app/views/virtual_workshop_invitation_mailer/attending_reminder.html.haml
index 0c5cead74..e6d716310 100644
--- a/app/views/virtual_workshop_invitation_mailer/attending_reminder.html.haml
+++ b/app/views/virtual_workshop_invitation_mailer/attending_reminder.html.haml
@@ -30,7 +30,7 @@
               %td
                 %h4
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update or cancel your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update or cancel your attendance', invitation_url(@invitation), class: 'btn'
 
         .content
           %table
diff --git a/app/views/virtual_workshop_invitation_mailer/invite_coach.html.haml b/app/views/virtual_workshop_invitation_mailer/invite_coach.html.haml
index 4cf0295a7..a3b2a0d58 100644
--- a/app/views/virtual_workshop_invitation_mailer/invite_coach.html.haml
+++ b/app/views/virtual_workshop_invitation_mailer/invite_coach.html.haml
@@ -38,7 +38,7 @@
                   =@workshop.to_s
                   %br
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'View invitation and RSVP', invitation_url(@invitation), class: 'btn'
               %td{ width: '40%', style: 'vertical-align: top;'}
                 - if @workshop.sponsors.any?
                   %h4 Sponsored by
diff --git a/app/views/virtual_workshop_invitation_mailer/invite_student.html.haml b/app/views/virtual_workshop_invitation_mailer/invite_student.html.haml
index e7fa34878..45be49a35 100644
--- a/app/views/virtual_workshop_invitation_mailer/invite_student.html.haml
+++ b/app/views/virtual_workshop_invitation_mailer/invite_student.html.haml
@@ -15,7 +15,7 @@
                 %p.lead
                   We’re excited to invite you to our next #{@workshop.chapter.name} virtual workshop.
                 %p
-                  As part of our workshops, you’ll get to work through any of our #{link_to 'tutorials', 'http://codebar.github.io/tutorials' } or receive guidance on your personal project. We believe that everyone should be entitled to free learning and our community has #{ link_to 'a lot of devoted developers', full_url_for(coaches_url)} who help out as coaches.
+                  As part of our workshops, you’ll get to work through any of our #{link_to 'tutorials', 'http://codebar.github.io/tutorials' } or receive guidance on your personal project. We believe that everyone should be entitled to free learning and our community has #{ link_to 'a lot of devoted developers', coaches_url} who help out as coaches.
                 %p You will also get the opportunity to interact with other people interested in coding and collaborate with them.
                 %p <strong>Please note:</strong> We do not accept any RSVPs over email.
 
@@ -29,7 +29,7 @@
                   =@workshop.to_s
                   %br
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'View invitation and RSVP', invitation_url(@invitation), class: 'btn'
               %td{ width: '40%', style: 'vertical-align: top;'}
                 - if @workshop.sponsors.any?
                   %h4 Sponsored by
diff --git a/app/views/virtual_workshop_invitation_mailer/waiting_list_reminder.html.haml b/app/views/virtual_workshop_invitation_mailer/waiting_list_reminder.html.haml
index 771ee23a7..38d5d14ed 100644
--- a/app/views/virtual_workshop_invitation_mailer/waiting_list_reminder.html.haml
+++ b/app/views/virtual_workshop_invitation_mailer/waiting_list_reminder.html.haml
@@ -21,7 +21,7 @@
                   so you should keep keep an eye on your emails during the afternoon on the day of the workshop.
                 %p
                   Alternatively, if you know you can no longer make it, please
-                  = link_to 'remove yourself from the waiting list', full_url_for(invitation_url(@invitation))
+                  = link_to 'remove yourself from the waiting list', invitation_url(@invitation)
                   so someone else can take part in the workshop.
 
         .content
@@ -29,7 +29,7 @@
             %tr
               %td
                 %p #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update or cancel your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update or cancel your attendance', invitation_url(@invitation), class: 'btn'
 
         .content
           %table
diff --git a/app/views/workshop_invitation_mailer/attending.html.haml b/app/views/workshop_invitation_mailer/attending.html.haml
index db4f2500e..6f84c9470 100644
--- a/app/views/workshop_invitation_mailer/attending.html.haml
+++ b/app/views/workshop_invitation_mailer/attending.html.haml
@@ -36,7 +36,7 @@
                 %h4
                   Workshop
                 %p #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update your attendance', invitation_url(@invitation), class: 'btn'
                 - if @workshop.description.present?
                   %p{ style: 'margin-top: 10px;' }
                     %strong Description:
diff --git a/app/views/workshop_invitation_mailer/attending_reminder.html.haml b/app/views/workshop_invitation_mailer/attending_reminder.html.haml
index 70e2f4439..5679b2dd1 100644
--- a/app/views/workshop_invitation_mailer/attending_reminder.html.haml
+++ b/app/views/workshop_invitation_mailer/attending_reminder.html.haml
@@ -31,7 +31,7 @@
                   Workshop
                   %br
                   %p #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update your attendance', invitation_url(@invitation), class: 'btn'
                 - if @workshop.description.present?
                   %p{ style: 'margin-top: 10px;' }
                     %strong Description:
diff --git a/app/views/workshop_invitation_mailer/invite_coach.html.haml b/app/views/workshop_invitation_mailer/invite_coach.html.haml
index f5f0659d3..a11f53f47 100644
--- a/app/views/workshop_invitation_mailer/invite_coach.html.haml
+++ b/app/views/workshop_invitation_mailer/invite_coach.html.haml
@@ -37,7 +37,7 @@
                   Workshop
                   %br
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'View invitation and RSVP', invitation_url(@invitation), class: 'btn'
                 - if @workshop.description.present?
                   %p{ style: 'margin-top: 15px;' }
                     %strong Description:
diff --git a/app/views/workshop_invitation_mailer/invite_student.html.haml b/app/views/workshop_invitation_mailer/invite_student.html.haml
index 50f6fe88b..ce2c61216 100644
--- a/app/views/workshop_invitation_mailer/invite_student.html.haml
+++ b/app/views/workshop_invitation_mailer/invite_student.html.haml
@@ -34,7 +34,7 @@
                   Workshop
                   %br
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'View invitation and RSVP', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'View invitation and RSVP', invitation_url(@invitation), class: 'btn'
                 - if @workshop.description.present?
                   %p{ style: 'margin-top: 15px;' }
                     %strong Description:
diff --git a/app/views/workshop_invitation_mailer/notify_waiting_list.html.haml b/app/views/workshop_invitation_mailer/notify_waiting_list.html.haml
index 91aff5072..b719ca422 100644
--- a/app/views/workshop_invitation_mailer/notify_waiting_list.html.haml
+++ b/app/views/workshop_invitation_mailer/notify_waiting_list.html.haml
@@ -24,7 +24,7 @@
                   Workshop
                   %br
                   %p #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update your attendance', invitation_url(@invitation), class: 'btn'
 
         .content
           %table
diff --git a/app/views/workshop_invitation_mailer/waiting_list_reminder.html.haml b/app/views/workshop_invitation_mailer/waiting_list_reminder.html.haml
index 5aa662c9a..6cf1f2724 100644
--- a/app/views/workshop_invitation_mailer/waiting_list_reminder.html.haml
+++ b/app/views/workshop_invitation_mailer/waiting_list_reminder.html.haml
@@ -20,7 +20,7 @@
                   %strong Attendees often drop out at short notice, so you should keep an eye on your emails during the afternoon on the day of the workshop.
                 %p
                   Alternatively, if you can no longer make it, you should
-                  = link_to 'remove yourself from the waiting list', full_url_for(invitation_url(@invitation))
+                  = link_to 'remove yourself from the waiting list', invitation_url(@invitation)
                   so someone else can come to the workshop.
 
         .content
@@ -31,7 +31,7 @@
                   Workshop
                   %br
                   %small #{humanize_date(@workshop.date_and_time, @workshop.ends_at, with_time: true)}
-                = link_to 'Update your attendance', full_url_for(invitation_url(@invitation)), class: 'btn'
+                = link_to 'Update your attendance', invitation_url(@invitation), class: 'btn'
               %td{ width: '40%', style: 'vertical-align: top;'}
                 %h4
                   Venue