diff -u b/core/modules/aggregator/templates/aggregator-item.html.twig b/core/modules/aggregator/templates/aggregator-item.html.twig
--- b/core/modules/aggregator/templates/aggregator-item.html.twig
+++ b/core/modules/aggregator/templates/aggregator-item.html.twig
@@ -24,5 +24,3 @@
   {{ title_suffix }}
-
   {{ content }}
-
 </article>
diff -u b/core/themes/classy/templates/aggregator/aggregator-item.html.twig b/core/themes/classy/templates/aggregator/aggregator-item.html.twig
--- b/core/themes/classy/templates/aggregator/aggregator-item.html.twig
+++ b/core/themes/classy/templates/aggregator/aggregator-item.html.twig
@@ -24,5 +24,3 @@
   {{ title_suffix }}
-
   {{ content }}
-
 </article>