diff --git a/app/services/katello/registration_manager.rb b/app/services/katello/registration_manager.rb
index 80a4f05acb6..29ce57a6865 100644
--- a/app/services/katello/registration_manager.rb
+++ b/app/services/katello/registration_manager.rb
@@ -306,6 +306,7 @@ def remove_host_artifacts(host, clear_content_facet: true)
           host.content_facet.applicable_errata = []
           host.content_facet.uuid = nil
           host.content_facet.content_view_environments = []
+          host.content_facet.content_source = ::SmartProxy.pulp_primary
           host.content_facet.save!
           Rails.logger.debug "remove_host_artifacts: marking CVEs unchanged to prevent backend update"
           host.content_facet.mark_cves_unchanged
diff --git a/test/services/katello/registration_manager_test.rb b/test/services/katello/registration_manager_test.rb
index 8afcd545522..ab71df39461 100644
--- a/test/services/katello/registration_manager_test.rb
+++ b/test/services/katello/registration_manager_test.rb
@@ -308,6 +308,19 @@ def test_unregister_host_rhsm_facts
         assert_empty @host.rhsm_fact_values
       end
 
+      def test_unregister_host_resets_content_source
+        @host = FactoryBot.create(:host, :with_content, :with_subscription, :content_view => @content_view,
+                                    :lifecycle_environment => @library, :organization => @content_view.organization)
+        pulp3_proxy = FactoryBot.create(:smart_proxy, :with_pulp3)
+        @host.content_facet.update(:content_source_id => pulp3_proxy.id)
+        ::Katello::Resources::Candlepin::Consumer.expects(:destroy)
+
+        ::Katello::RegistrationManager.unregister_host(@host, unregistering: true)
+
+        refute_nil @host.content_facet.content_source
+        assert_equal ::SmartProxy.pulp_primary, @host.content_facet.content_source
+      end
+
       def test_destroy_host_not_found
         @host = FactoryBot.create(:host, :with_content, :with_subscription, :content_view => @content_view,
                                    :lifecycle_environment => @library, :organization => @content_view.organization)
diff --git a/webpack/components/extensions/HostDetails/DetailsTabCards/RegistrationCard.js b/webpack/components/extensions/HostDetails/DetailsTabCards/RegistrationCard.js
index 91b252efdef..cb9cddda82c 100644
--- a/webpack/components/extensions/HostDetails/DetailsTabCards/RegistrationCard.js
+++ b/webpack/components/extensions/HostDetails/DetailsTabCards/RegistrationCard.js
@@ -55,9 +55,12 @@ const RegistrationCard = ({ isExpandedGlobal, hostDetails }) => {
   const subscriptionFacetAttributes
     = propsToCamelCase(hostDetails?.subscription_facet_attributes || {});
   const {
-    registeredAt, registeredThrough, activationKeys, user,
+    registeredAt, activationKeys, user,
   }
     = subscriptionFacetAttributes;
+  const contentFacetAttributes
+    = propsToCamelCase(hostDetails?.content_facet_attributes || {});
+  const { contentSourceName } = contentFacetAttributes;
   const login = user?.login;
   if (!registeredAt) return null;
   return (
@@ -78,7 +81,7 @@ const RegistrationCard = ({ isExpandedGlobal, hostDetails }) => {
         </DescriptionListGroup>
         <DescriptionListGroup>
           <DescriptionListTerm>{__('Content source')}</DescriptionListTerm>
-          <DescriptionListDescription>{registeredThrough}</DescriptionListDescription>
+          <DescriptionListDescription>{contentSourceName}</DescriptionListDescription>
         </DescriptionListGroup>
       </DescriptionList>
     </CardTemplate>
@@ -99,6 +102,9 @@ RegistrationCard.propTypes = {
         name: PropTypes.string,
       })),
     }),
+    content_facet_attributes: PropTypes.shape({
+      content_source_name: PropTypes.string,
+    }),
   }),
 };