diff --git a/_config.yml b/_config.yml
index ce980fa2040..01c53dd6c86 100644
--- a/_config.yml
+++ b/_config.yml
@@ -110,6 +110,7 @@ defaults:
     scope:
       path: "datacenter/dtr/2.1"
     values:
+      hide_from_sitemap: true
       ucp_version: "2.0"
       dtr_version: "2.1"
   -
@@ -130,6 +131,7 @@ defaults:
     scope:
       path: "datacenter/ucp/2.0"
     values:
+      hide_from_sitemap: true
       ucp_version: "2.0"
       dtr_version: "2.1"
   -
diff --git a/robots.txt b/robots.txt
index 9391dfeec55..c1decae56f6 100644
--- a/robots.txt
+++ b/robots.txt
@@ -12,8 +12,12 @@ Disallow: /v1.11/
 Disallow: /v1.12/
 
 # Docker Datacenter archives
+Disallow: /datacenter/dtr/2.1
 Disallow: /datacenter/dtr/2.0
+
+Disallow: /datacenter/ucp/2.0
 Disallow: /datacenter/ucp/1.1
+
 Disallow: /apidocs/v*
 
 Sitemap: https://docs.docker.com/sitemap.xml