diff --git a/templates/responsive-image-formatter--image-sizes.html.twig b/templates/responsive-image-formatter--image-sizes.html.twig
index 2ef54e0d50f9fef3298312a11cad5d865d0c9160..c9822a8d4d4b73fecda47e0f0d16ca249da76032 100644
--- a/templates/responsive-image-formatter--image-sizes.html.twig
+++ b/templates/responsive-image-formatter--image-sizes.html.twig
@@ -19,7 +19,7 @@
 {% apply spaceless %}
   {% set responsive_image %}
     <responsive-img{{ item_attributes }}>
-      <template shadowrootmode="open">
+      <template>
         <img{{ image_attributes }}>
         {% if placeholder_attributes|length %}
           <img{{ placeholder_attributes }}>