diff --git a/core/modules/responsive_image/templates/responsive-image.html.twig b/core/modules/responsive_image/templates/responsive-image.html.twig
index 99fca6b8cfc8..986d408f8c7b 100644
--- a/core/modules/responsive_image/templates/responsive-image.html.twig
+++ b/core/modules/responsive_image/templates/responsive-image.html.twig
@@ -20,15 +20,9 @@
 {% else %}
   <picture>
     {% if sources %}
-      {#
-      Internet Explorer 9 doesn't recognise source elements that are wrapped in
-      picture tags. See http://scottjehl.github.io/picturefill/#ie9
-      #}
-      <!--[if IE 9]><video style="display: none;"><![endif]-->
       {% for source_attributes in sources %}
         <source{{ source_attributes }}/>
       {% endfor %}
-      <!--[if IE 9]></video><![endif]-->
     {% endif %}
     {# The controlling image, with the fallback image in srcset. #}
     {{ img_element }}
diff --git a/core/modules/responsive_image/tests/src/Functional/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/tests/src/Functional/ResponsiveImageFieldDisplayTest.php
index 9b805d6e625f..2e94a1da9bd5 100644
--- a/core/modules/responsive_image/tests/src/Functional/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/tests/src/Functional/ResponsiveImageFieldDisplayTest.php
@@ -287,9 +287,6 @@ class ResponsiveImageFieldDisplayTest extends ImageFieldTestBase {
     $this->drupalGet('node/' . $nid);
     if (!$empty_styles) {
       $this->assertRaw('/styles/medium/');
-      // Make sure the IE9 workaround is present.
-      $this->assertRaw('<!--[if IE 9]><video style="display: none;"><![endif]-->');
-      $this->assertRaw('<!--[if IE 9]></video><![endif]-->');
       // Assert the empty image is present.
       $this->assertRaw('data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==');
       $thumbnail_style = ImageStyle::load('thumbnail');
diff --git a/core/themes/stable/templates/field/responsive-image.html.twig b/core/themes/stable/templates/field/responsive-image.html.twig
index ae77ffb1777b..9fe132a43a42 100644
--- a/core/themes/stable/templates/field/responsive-image.html.twig
+++ b/core/themes/stable/templates/field/responsive-image.html.twig
@@ -18,15 +18,9 @@
 {% else %}
   <picture>
     {% if sources %}
-      {#
-      Internet Explorer 9 doesn't recognise source elements that are wrapped in
-      picture tags. See http://scottjehl.github.io/picturefill/#ie9
-      #}
-      <!--[if IE 9]><video style="display: none;"><![endif]-->
       {% for source_attributes in sources %}
         <source{{ source_attributes }}/>
       {% endfor %}
-      <!--[if IE 9]></video><![endif]-->
     {% endif %}
     {# The controlling image, with the fallback image in srcset. #}
     {{ img_element }}