diff --git a/doc/administration/reference_architectures/10k_users.md b/doc/administration/reference_architectures/10k_users.md
index 2f3174d7fbb44a21107f5b05329877267465ff14..c94c76c65321d4db48acd1c88c0218f3c5126c1d 100644
--- a/doc/administration/reference_architectures/10k_users.md
+++ b/doc/administration/reference_architectures/10k_users.md
@@ -1768,18 +1768,7 @@ Updates to example must be made at:
 -->
 
    ```ruby
-   # Avoid running unnecessary services on the Sidekiq server
-   gitaly['enable'] = false
-   postgresql['enable'] = false
-   redis['enable'] = false
-   nginx['enable'] = false
-   puma['enable'] = false
-   gitlab_workhorse['enable'] = false
-   prometheus['enable'] = false
-   alertmanager['enable'] = false
-   grafana['enable'] = false
-   gitlab_exporter['enable'] = false
-   gitlab_kas['enable'] = false
+   roles ["sidekiq_role"]
 
    # External URL
    ## This should match the URL of the external load balancer
diff --git a/doc/administration/reference_architectures/25k_users.md b/doc/administration/reference_architectures/25k_users.md
index 731568c487fdcc863c880910e7e48c60cd916029..2b91d4931456977276ed492e18ec61337375e81c 100644
--- a/doc/administration/reference_architectures/25k_users.md
+++ b/doc/administration/reference_architectures/25k_users.md
@@ -1785,18 +1785,7 @@ Updates to example must be made at:
 -->
 
    ```ruby
-   # Avoid running unnecessary services on the Sidekiq server
-   gitaly['enable'] = false
-   postgresql['enable'] = false
-   redis['enable'] = false
-   nginx['enable'] = false
-   puma['enable'] = false
-   gitlab_workhorse['enable'] = false
-   prometheus['enable'] = false
-   alertmanager['enable'] = false
-   grafana['enable'] = false
-   gitlab_exporter['enable'] = false
-   gitlab_kas['enable'] = false
+   roles ["sidekiq_role"]
 
    # External URL
    ## This should match the URL of the external load balancer
diff --git a/doc/administration/reference_architectures/3k_users.md b/doc/administration/reference_architectures/3k_users.md
index cd95090788d89308fcae1ca8933008e0a6e5632b..cf2d96674817f618d14ec75b4866e06fb439fa60 100644
--- a/doc/administration/reference_architectures/3k_users.md
+++ b/doc/administration/reference_architectures/3k_users.md
@@ -1718,18 +1718,7 @@ Updates to example must be made at:
 -->
 
    ```ruby
-   # Avoid running unnecessary services on the Sidekiq server
-   gitaly['enable'] = false
-   postgresql['enable'] = false
-   redis['enable'] = false
-   nginx['enable'] = false
-   puma['enable'] = false
-   gitlab_workhorse['enable'] = false
-   prometheus['enable'] = false
-   alertmanager['enable'] = false
-   grafana['enable'] = false
-   gitlab_exporter['enable'] = false
-   gitlab_kas['enable'] = false
+   roles ["sidekiq_role"]
 
    # External URL
    ## This should match the URL of the external load balancer
diff --git a/doc/administration/reference_architectures/50k_users.md b/doc/administration/reference_architectures/50k_users.md
index b2f01266b14eabf947c1358c653ac3057c1bb775..2187b0ff02c06a15c7756f904bf4c1e4d13deb28 100644
--- a/doc/administration/reference_architectures/50k_users.md
+++ b/doc/administration/reference_architectures/50k_users.md
@@ -1781,18 +1781,7 @@ Updates to example must be made at:
 -->
 
    ```ruby
-   # Avoid running unnecessary services on the Sidekiq server
-   gitaly['enable'] = false
-   postgresql['enable'] = false
-   redis['enable'] = false
-   nginx['enable'] = false
-   puma['enable'] = false
-   gitlab_workhorse['enable'] = false
-   prometheus['enable'] = false
-   alertmanager['enable'] = false
-   grafana['enable'] = false
-   gitlab_exporter['enable'] = false
-   gitlab_kas['enable'] = false
+   roles ["sidekiq_role"]
 
    # External URL
    ## This should match the URL of the external load balancer
diff --git a/doc/administration/reference_architectures/5k_users.md b/doc/administration/reference_architectures/5k_users.md
index 70f9b8a1724cada9748a37e60982c50cc19c2822..2b85426de585f9946fd7f74b7feea04e97a040bc 100644
--- a/doc/administration/reference_architectures/5k_users.md
+++ b/doc/administration/reference_architectures/5k_users.md
@@ -1706,18 +1706,7 @@ Updates to example must be made at:
 -->
 
    ```ruby
-   # Avoid running unnecessary services on the Sidekiq server
-   gitaly['enable'] = false
-   postgresql['enable'] = false
-   redis['enable'] = false
-   nginx['enable'] = false
-   puma['enable'] = false
-   gitlab_workhorse['enable'] = false
-   prometheus['enable'] = false
-   alertmanager['enable'] = false
-   grafana['enable'] = false
-   gitlab_exporter['enable'] = false
-   gitlab_kas['enable'] = false
+   roles ["sidekiq_role"]
 
    # External URL
    ## This should match the URL of the external load balancer
diff --git a/doc/administration/sidekiq/index.md b/doc/administration/sidekiq/index.md
index f0b4d2ebf1dafb962f4bc7f7e2be68cec4db2f99..10fadc40a8203cb10d08d334efc8d1d9be774e94 100644
--- a/doc/administration/sidekiq/index.md
+++ b/doc/administration/sidekiq/index.md
@@ -227,7 +227,6 @@ node than Sidekiq, follow the steps below.
 1. Edit `/etc/gitlab/gitlab.rb`, and configure the registry URL:
 
    ```ruby
-   registry_external_url 'https://registry.example.com'
    gitlab_rails['registry_api_url'] = "https://registry.example.com"
    ```