diff --git a/html/rendering/non-replaced-elements/sections-and-headings/headings-styles-no-h1-in-section.tentative.html b/html/rendering/non-replaced-elements/sections-and-headings/headings-styles-no-h1-in-section.tentative.html
deleted file mode 100644
index 61610c2fd6c8ce..00000000000000
--- a/html/rendering/non-replaced-elements/sections-and-headings/headings-styles-no-h1-in-section.tentative.html
+++ /dev/null
@@ -1,147 +0,0 @@
-<!doctype html>
-<title>default styles for h1..h6, hgroup, article, aside, nav, section (no h1 in section UA styles)</title>
-<meta name="viewport" content="width=device-width">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="/html/rendering/support/test-ua-stylesheet.js"></script>
-<link rel="help" href="https://github.com/whatwg/html/issues/7867">
-<style>
-/* Specify this bogus namespace, so the rules in this stylesheet only apply to the `fakeClone`d elements in #refs, not the HTML elements in #tests. */
-@namespace url(urn:not-html);
-
-article, aside, h1, h2, h3, h4, h5, h6, hgroup, nav, section {
-  display: block;
-}
-
-h1 { margin-block: 0.67em; font-size: 2.00em; font-weight: bold; }
-h2 { margin-block: 0.83em; font-size: 1.50em; font-weight: bold; }
-h3 { margin-block: 1.00em; font-size: 1.17em; font-weight: bold; }
-h4 { margin-block: 1.33em; font-size: 1.00em; font-weight: bold; }
-h5 { margin-block: 1.67em; font-size: 0.83em; font-weight: bold; }
-h6 { margin-block: 2.33em; font-size: 0.67em; font-weight: bold; }
-
-</style>
-
-<div id="log"></div>
-
-<div id="tests">
-  <h1></h1>
-  <h2></h2>
-  <h3></h3>
-  <h4></h4>
-  <h5></h5>
-  <h6></h6>
-  <hgroup></hgroup>
-  <article></article>
-  <aside></aside>
-  <nav></nav>
-  <section></section>
-  <article data-skip>
-    <h1></h1>
-    <article data-skip>
-      <h1></h1>
-      <article data-skip>
-        <h1></h1>
-        <article data-skip>
-          <h1></h1>
-          <article data-skip>
-            <h1></h1>
-            <hgroup data-skip>
-             <h1></h1>
-             <h2></h2>
-             <h3></h3>
-             <h4></h4>
-             <h5></h5>
-            </hgroup>
-          </article>
-        </article>
-      </article>
-    </article>
-  </article>
-  <aside data-skip>
-    <h1></h1>
-    <aside data-skip>
-      <h1></h1>
-      <aside data-skip>
-        <h1></h1>
-        <aside data-skip>
-          <h1></h1>
-          <aside data-skip>
-            <h1></h1>
-            <hgroup data-skip>
-             <h1></h1>
-             <h2></h2>
-             <h3></h3>
-             <h4></h4>
-             <h5></h5>
-            </hgroup>
-          </aside>
-        </aside>
-      </aside>
-    </aside>
-  </aside>
-  <nav data-skip>
-    <h1></h1>
-    <nav data-skip>
-      <h1></h1>
-      <nav data-skip>
-        <h1></h1>
-        <nav data-skip>
-          <h1></h1>
-          <nav data-skip>
-            <h1></h1>
-            <hgroup data-skip>
-             <h1></h1>
-             <h2></h2>
-             <h3></h3>
-             <h4></h4>
-             <h5></h5>
-            </hgroup>
-          </nav>
-        </nav>
-      </nav>
-    </nav>
-  </nav>
-  <section data-skip>
-    <h1></h1>
-    <section data-skip>
-      <h1></h1>
-      <section data-skip>
-        <h1></h1>
-        <section data-skip>
-          <h1></h1>
-          <section data-skip>
-            <h1></h1>
-            <hgroup data-skip>
-             <h1></h1>
-             <h2></h2>
-             <h3></h3>
-             <h4></h4>
-             <h5></h5>
-            </hgroup>
-          </section>
-        </section>
-      </section>
-    </section>
-  </section>
-</div>
-
-<div id="refs"></div>
-
-<script>
-  const props = [
-    'display',
-    'margin-top',
-    'margin-right',
-    'margin-bottom',
-    'margin-left',
-    'padding-top',
-    'padding-right',
-    'padding-bottom',
-    'padding-left',
-    'font-size',
-    'font-weight',
-  ];
-  runUAStyleTests(props);
-
-</script>
diff --git a/html/rendering/non-replaced-elements/sections-and-headings/headings-styles.html b/html/rendering/non-replaced-elements/sections-and-headings/headings-styles.html
index be531adfcf5b26..57deee85693fe5 100644
--- a/html/rendering/non-replaced-elements/sections-and-headings/headings-styles.html
+++ b/html/rendering/non-replaced-elements/sections-and-headings/headings-styles.html
@@ -19,12 +19,6 @@
 h5 { margin-block: 1.67em; font-size: 0.83em; font-weight: bold; }
 h6 { margin-block: 2.33em; font-size: 0.67em; font-weight: bold; }
 
-:is(article, aside, nav, section) h1 { margin-block: 0.83em; font-size: 1.50em; }
-:is(article, aside, nav, section) :is(article, aside, nav, section) h1 { margin-block: 1.00em; font-size: 1.17em; }
-:is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) h1 { margin-block: 1.33em; font-size: 1.00em; }
-:is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) h1 { margin-block: 1.67em; font-size: 0.83em; }
-:is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) :is(article, aside, nav, section) h1 { margin-block: 2.33em; font-size: 0.67em; }
-
 </style>
 
 <div id="log"></div>
