diff --git a/404.md b/404.md
index f45f7c1..2beb8b7 100644
--- a/404.md
+++ b/404.md
@@ -1,7 +1,7 @@
 ---
 layout: layouts/home.njk
 permalink: 404.html
-excludeFromSitemap: true
+eleventyExcludeFromCollections: true
 ---
 # Content not found.
 
diff --git a/feed/feed.njk b/feed/feed.njk
index f889671..5711fe1 100644
--- a/feed/feed.njk
+++ b/feed/feed.njk
@@ -1,6 +1,6 @@
 ---
 permalink: feed/feed.xml
-excludeFromSitemap: true
+eleventyExcludeFromCollections: true
 ---
 <?xml version="1.0" encoding="utf-8"?>
 <feed xmlns="http://www.w3.org/2005/Atom">
diff --git a/feed/htaccess.njk b/feed/htaccess.njk
index 8b4e0d9..ac4a3c5 100644
--- a/feed/htaccess.njk
+++ b/feed/htaccess.njk
@@ -1,6 +1,6 @@
 ---
 permalink: feed/.htaccess
-excludeFromSitemap: true
+eleventyExcludeFromCollections: true
 ---
 # For Apache, to show `{{ metadata.feed.filename }}` when browsing to directory /feed/ (hide the file!)
 DirectoryIndex {{ metadata.feed.filename }}
diff --git a/sitemap.xml.njk b/sitemap.xml.njk
index d1745a3..0a74480 100644
--- a/sitemap.xml.njk
+++ b/sitemap.xml.njk
@@ -1,16 +1,14 @@
 ---
 permalink: /sitemap.xml
-excludeFromSitemap: true
+eleventyExcludeFromCollections: true
 ---
 <?xml version="1.0" encoding="utf-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
 {%- for page in collections.all %}
-{%- if not page.data.excludeFromSitemap %}
   {% set absoluteUrl %}{{ page.url | url | absoluteUrl(metadata.url) }}{% endset %}
   <url>
     <loc>{{ absoluteUrl }}</loc>
     <lastmod>{{ page.date | htmlDateString }}</lastmod>
   </url>
-{%- endif %}
 {%- endfor %}
 </urlset>