diff --git a/modules/govuk/templates/node/s_backend_lb/assets-carrenza.conf.erb b/modules/govuk/templates/node/s_backend_lb/assets-carrenza.conf.erb
index 036d91935f0..b47aa4b13b2 100644
--- a/modules/govuk/templates/node/s_backend_lb/assets-carrenza.conf.erb
+++ b/modules/govuk/templates/node/s_backend_lb/assets-carrenza.conf.erb
@@ -95,17 +95,6 @@ server {
   }
   <%- end -%>
 
-  <%- if scope.lookupvar('::aws_migration') %>
-  set $upstream_static <%= @upstream_ssl ? 'https' : 'http' %>://static.<%= @app_domain %>;
-  <%- end %>
-  location = /static/a {
-    <%- if scope.lookupvar('::aws_migration') %>
-    proxy_pass $upstream_static;
-    <%- else %>
-    proxy_pass <%= @upstream_ssl ? 'https' : 'http' %>://static.<%= @app_domain %>;
-    <%- end %>
-  }
-
   location /__canary__ {
     return 200;
   }
diff --git a/modules/govuk/templates/static_extra_nginx_config.conf.erb b/modules/govuk/templates/static_extra_nginx_config.conf.erb
index c74c4962201..fe310d6dcea 100644
--- a/modules/govuk/templates/static_extra_nginx_config.conf.erb
+++ b/modules/govuk/templates/static_extra_nginx_config.conf.erb
@@ -1,11 +1,3 @@
-location = /static/a {
-  expires -1;
-  add_header Last-Modified "";
-
-  default_type text/plain;
-  return 200 '';
-}
-
 # 1stline use this URL in their zendesk template
 location = /static/gov.uk_logotype_crown.png {
   absolute_redirect off;
diff --git a/modules/router/templates/assets_origin.conf.erb b/modules/router/templates/assets_origin.conf.erb
index ac04f462307..00b8bcb4490 100644
--- a/modules/router/templates/assets_origin.conf.erb
+++ b/modules/router/templates/assets_origin.conf.erb
@@ -77,11 +77,6 @@ server {
   }
   <%- end -%>
 
-  set $upstream_static <%= @upstream_ssl ? 'https' : 'http' %>://static.<%= @app_domain %>;
-  location = /static/a {
-    proxy_pass $upstream_static;
-  }
-
   location /__canary__ {
     proxy_pass $upstream_static;
   }