diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 74bbdd6eb..633f35ff5 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -47,7 +47,9 @@
   <% if content_for?(:thin_form) %></div><% end %>
 <% end %>
 
-<% content_for :footer_version, CURRENT_RELEASE_SHA %>
+<% if ENV.key? "SENTRY_RELEASE" %>
+  <% content_for :footer_version, ENV["SENTRY_RELEASE"] %>
+<% end %>
 
 <%# use the govuk_admin_template layout %>
 <%= render :template => 'layouts/govuk_admin_template' %>
diff --git a/config/initializers/current_release_sha.rb b/config/initializers/current_release_sha.rb
deleted file mode 100644
index e68ebecc3..000000000
--- a/config/initializers/current_release_sha.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-if File.exist?(Rails.root.join("REVISION"))
-  revision = `cat #{Rails.root}/REVISION`.chomp
-  CURRENT_RELEASE_SHA = revision[0..10] # Just get the short SHA
-else
-  CURRENT_RELEASE_SHA = "development".freeze
-end