diff --git a/core/profiles/demo_umami/config/install/rdf.mapping.node.article.yml b/core/profiles/demo_umami/config/install/rdf.mapping.node.article.yml
deleted file mode 100644
index 3277bd4f0a073f8d886b82182bf4a082526f7f0a..0000000000000000000000000000000000000000
--- a/core/profiles/demo_umami/config/install/rdf.mapping.node.article.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-langcode: en
-status: true
-dependencies:
-  config:
-    - node.type.article
-  module:
-    - node
-id: node.article
-targetEntityType: node
-bundle: article
-types:
-  - 'schema:Article'
-fieldMappings:
-  title:
-    properties:
-      - 'schema:name'
-  created:
-    properties:
-      - 'schema:dateCreated'
-    datatype_callback:
-      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
-  changed:
-    properties:
-      - 'schema:dateModified'
-    datatype_callback:
-      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
-  body:
-    properties:
-      - 'schema:text'
-  uid:
-    properties:
-      - 'schema:author'
-  field_image:
-    properties:
-      - 'schema:image'
-  field_tags:
-    properties:
-      - 'schema:about'
diff --git a/core/profiles/demo_umami/config/install/rdf.mapping.node.page.yml b/core/profiles/demo_umami/config/install/rdf.mapping.node.page.yml
deleted file mode 100644
index c5152369b0c3c62b4c4bd013a363de1828fae15b..0000000000000000000000000000000000000000
--- a/core/profiles/demo_umami/config/install/rdf.mapping.node.page.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-langcode: en
-status: true
-dependencies:
-  config:
-    - node.type.page
-  module:
-    - node
-id: node.page
-targetEntityType: node
-bundle: page
-types:
-  - 'schema:WebPage'
-fieldMappings:
-  title:
-    properties:
-      - 'schema:name'
-  created:
-    properties:
-      - 'schema:dateCreated'
-    datatype_callback:
-      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
-  changed:
-    properties:
-      - 'schema:dateModified'
-    datatype_callback:
-      callable: 'Drupal\rdf\CommonDataConverter::dateIso8601Value'
-  body:
-    properties:
-      - 'schema:text'
-  uid:
-    properties:
-      - 'schema:author'
-    mapping_type: rel
diff --git a/core/profiles/demo_umami/config/install/rdf.mapping.taxonomy_term.tags.yml b/core/profiles/demo_umami/config/install/rdf.mapping.taxonomy_term.tags.yml
deleted file mode 100644
index 46b43f15f3da05ed2f25cd3cb280face024f8120..0000000000000000000000000000000000000000
--- a/core/profiles/demo_umami/config/install/rdf.mapping.taxonomy_term.tags.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-langcode: en
-status: true
-dependencies:
-  config:
-    - taxonomy.vocabulary.tags
-  module:
-    - taxonomy
-id: taxonomy_term.tags
-targetEntityType: taxonomy_term
-bundle: tags
-types:
-  - 'schema:Thing'
-fieldMappings:
-  name:
-    properties:
-      - 'schema:name'
-  description:
-    properties:
-      - 'schema:description'
diff --git a/core/profiles/demo_umami/demo_umami.info.yml b/core/profiles/demo_umami/demo_umami.info.yml
index 471e21d8e9be518821b5590d46da6102da7bcdbb..dd922e82ddc40d546cc436d110dd48219bbd192c 100644
--- a/core/profiles/demo_umami/demo_umami.info.yml
+++ b/core/profiles/demo_umami/demo_umami.info.yml
@@ -34,7 +34,6 @@ install:
   - toolbar
   - field_ui
   - file
-  - rdf
   - views
   - views_ui
   - tour
diff --git a/core/profiles/demo_umami/themes/umami/templates/classy/misc/rdf-metadata.html.twig b/core/profiles/demo_umami/themes/umami/templates/classy/misc/rdf-metadata.html.twig
deleted file mode 100644
index acc62df16d41b5e10442c5ef92e61ae01a511c28..0000000000000000000000000000000000000000
--- a/core/profiles/demo_umami/themes/umami/templates/classy/misc/rdf-metadata.html.twig
+++ /dev/null
@@ -1,20 +0,0 @@
-{#
-/**
- * @file
- * Theme override for empty spans with RDF attributes.
- *
- * The XHTML+RDFa doctype allows either <span></span> or <span /> syntax to
- * be used, but for maximum browser compatibility, W3C recommends the
- * former when serving pages using the text/html media type, see
- * http://www.w3.org/TR/xhtml1/#C_3.
- *
- * Available variables:
- * - metadata: Each item within corresponds to its own set of attributes,
- *   and therefore, needs its own 'attributes' element.
- *
- * @see template_preprocess_rdf_metadata()
- */
-#}
-{% for attributes in metadata %}
-  <span{{ attributes.addClass('rdf-meta', 'hidden') }}></span>
-{% endfor %}
diff --git a/core/tests/Drupal/KernelTests/Core/Theme/ConfirmClassyCopiesTest.php b/core/tests/Drupal/KernelTests/Core/Theme/ConfirmClassyCopiesTest.php
index b58ec3dcb7421012d9856b58fa19ab0b1dcc6003..44f72cd41e2e8d8e9a5cea1fd1e609d586f882e7 100644
--- a/core/tests/Drupal/KernelTests/Core/Theme/ConfirmClassyCopiesTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Theme/ConfirmClassyCopiesTest.php
@@ -179,7 +179,6 @@ public function providerTestClassyCopies() {
             'file-managed-file.html.twig',
             'text-format-wrapper.html.twig',
             'filter-caption.html.twig',
-            'rdf-metadata.html.twig',
             'help-section.html.twig',
             'progress-bar.html.twig',
             'form-element-label.html.twig',