Ensure sitemap doesn't show in sitemap

sitemap.xml

@@ -7,6 +7,7 @@ search: exclude
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
     {% for page in site.pages %}
     {% if page.url != "/assets/css/style.css" %}
+    {% if page.url != "/sitemap.xml" %}
     <url>
         <loc>{{ page.url }}</loc>
         <lastmod>{{ site.time | date: '%Y-%m-%d' }}</lastmod>
@@ -14,6 +15,7 @@ search: exclude
         <priority>0.5</priority>
     </url>
     {% endif %}
+    {% endif %}
     {% endfor %}
 
     {% for post in site.posts %}