diff --git a/web/src/test/manual/web/index.html b/web/src/test/manual/web/index.html
index 1a9f43d766..151ada8f93 100644
--- a/web/src/test/manual/web/index.html
+++ b/web/src/test/manual/web/index.html
@@ -65,7 +65,6 @@
   <h2><a href="./start-of-sentence-3621/">Test Start of Sentence (#3621)</a></h2>
   <h2><a href="./start-of-sentence-3621/">Test start of sentence keyboard rules (#5963)</a></h2>
   <h2><a href="./issue6005/">Tests predictive text & other handling of rule matching when the final rule group does not match (#6005)</a></h2>
-  <h2><a href="./issue5312-touch-alias-optimization/">Tests performance of touch-alias elements with large amounts of text (#5312)</a></h2>
   <h1>Other</h1>
   <h2><a href="./regression-tests/">Keystroke processing regression test engine.</a></h2>
   <p><a href="../../../../index.html">Return to main index.</a>
diff --git a/web/src/test/manual/web/issue5312-touch-alias-optimization/index.html b/web/src/test/manual/web/issue5312-touch-alias-optimization/index.html
deleted file mode 100644
index b5be6f54ec..0000000000
--- a/web/src/test/manual/web/issue5312-touch-alias-optimization/index.html
+++ /dev/null
@@ -1,113 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
-
-    <!-- Set the viewport width to match phone and tablet device widths -->
-    <meta name="viewport" content="width=device-width,user-scalable=no" />
-
-    <!-- Allow KeymanWeb to be saved to the iPhone home screen -->
-    <meta name="apple-mobile-web-app-capable" content="yes" />
-
-    <!-- Enable IE9 Standards mode -->
-    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-
-    <title>KeymanWeb Sample Page - Unminified Source</title>
-
-    <!-- Your page CSS -->
-    <style type='text/css'>
-      body {font-family: Tahoma,helvetica;}
-      h3 {font-size: 1em;font-weight:normal;color: darkred; margin-bottom: 4px}
-      .test {font-size: 24px; width:80%; min-height:600px; border: 1px solid gray;}
-      #KeymanWebControl {width:50%;min-width:600px;}
-    </style>
-
-    <!-- Insert uncompiled KeymanWeb source scripts -->
-    <script src="../../../../../build/app/browser/debug/keymanweb.js" type="application/javascript"></script>
-
-    <!--
-      For desktop browsers, a script for the user interface must be inserted here.
-
-      Standard UIs are toggle, button, float and toolbar.
-      The toolbar UI is best for any page designed to support keyboards for
-      a large number of languages.
-    -->
-    <script src="../../../../../build/app/ui/debug/kmwuitoggle.js"></script>
-
-    <!-- Initialization: set paths to keyboards, resources and fonts as required -->
-    <script>
-      var kmw=window.keyman;
-      kmw.init({
-		    attachType:'auto',
-        resources:'../../resources'
-      }).then(function() {
-        loadKeyboards(1);
-      });
-    </script>
-
-    <!-- Add keyboard management script for local selection of keyboards to use -->
-    <script src="../commonHeader.js"></script>
-
-  </head>
-
-<!-- Sample page HTML -->
-  <body>
-    <h2>KeymanWeb Sample Page - Touch-Alias Element Optimization</h2>
-
-    <div>
-    <!--
-      The following DIV is used to position the Button or Toolbar User Interfaces on the page.
-      If omitted, those User Interfaces will appear at the top of the document body.
-      (It is ignored by other User Interfaces.)
-    -->
-    <div id='KeymanWebControl'></div>
-
-    <h3>Text performance with this element:</h3>
-    <textarea id='ta1' class='test' placeholder='Type here'>
-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Dui sapien eget mi proin sed libero. Sapien pellentesque habitant morbi tristique senectus et netus et malesuada. Sapien nec sagittis aliquam malesuada bibendum arcu vitae elementum curabitur. Urna duis convallis convallis tellus. Placerat vestibulum lectus mauris ultrices eros in. In fermentum et sollicitudin ac orci phasellus egestas. Est ante in nibh mauris cursus mattis molestie a. Tempor orci dapibus ultrices in iaculis nunc sed. Urna cursus eget nunc scelerisque viverra mauris in. Eget dolor morbi non arcu risus quis varius quam quisque. Diam volutpat commodo sed egestas egestas. Proin fermentum leo vel orci porta non. Adipiscing at in tellus integer feugiat scelerisque varius. Rutrum tellus pellentesque eu tincidunt tortor. Viverra nam libero justo laoreet sit. Maecenas pharetra convallis posuere morbi leo urna molestie at elementum.
-
-Aliquet eget sit amet tellus cras adipiscing enim eu turpis. Tellus rutrum tellus pellentesque eu. Praesent tristique magna sit amet purus gravida quis blandit. Felis imperdiet proin fermentum leo vel orci porta non pulvinar. Feugiat sed lectus vestibulum mattis ullamcorper. Porttitor massa id neque aliquam. Vel pretium lectus quam id leo. Tellus integer feugiat scelerisque varius morbi enim. Amet volutpat consequat mauris nunc congue nisi. Cursus euismod quis viverra nibh cras pulvinar mattis nunc. Mauris in aliquam sem fringilla ut morbi tincidunt. Integer eget aliquet nibh praesent tristique magna. Massa placerat duis ultricies lacus sed turpis tincidunt. Mattis rhoncus urna neque viverra justo nec ultrices. At quis risus sed vulputate. Potenti nullam ac tortor vitae purus faucibus ornare suspendisse.
-
-Sollicitudin ac orci phasellus egestas tellus. Feugiat nisl pretium fusce id velit ut tortor pretium. Amet consectetur adipiscing elit pellentesque habitant morbi tristique senectus. Nec ullamcorper sit amet risus. Massa placerat duis ultricies lacus sed turpis tincidunt id. Mi proin sed libero enim sed faucibus turpis. Accumsan sit amet nulla facilisi morbi tempus. Et ultrices neque ornare aenean euismod. Volutpat blandit aliquam etiam erat velit scelerisque in. Lacus laoreet non curabitur gravida arcu ac tortor dignissim. Venenatis cras sed felis eget velit aliquet. Vulputate ut pharetra sit amet. Porttitor rhoncus dolor purus non enim praesent. Amet nulla facilisi morbi tempus iaculis urna id volutpat lacus.
-
-Tortor at risus viverra adipiscing at in tellus integer feugiat. Pretium aenean pharetra magna ac placerat vestibulum. Pretium vulputate sapien nec sagittis aliquam malesuada bibendum arcu. Sit amet dictum sit amet justo donec enim. Duis at consectetur lorem donec massa sapien. Et netus et malesuada fames ac. Nullam eget felis eget nunc lobortis. Orci dapibus ultrices in iaculis nunc sed augue lacus. A iaculis at erat pellentesque. Id porta nibh venenatis cras sed felis eget velit.
-
-Aenean euismod elementum nisi quis eleifend quam adipiscing vitae proin. Amet consectetur adipiscing elit pellentesque habitant morbi tristique senectus. Id aliquet lectus proin nibh nisl condimentum id venenatis a. Aliquet bibendum enim facilisis gravida. Vel quam elementum pulvinar etiam non quam lacus. Velit sed ullamcorper morbi tincidunt ornare massa. Eros donec ac odio tempor orci dapibus. Ante metus dictum at tempor commodo ullamcorper a. Adipiscing at in tellus integer feugiat scelerisque. Adipiscing commodo elit at imperdiet dui. Tristique senectus et netus et. Vitae aliquet nec ullamcorper sit amet risus nullam eget.
-
-Scelerisque eu ultrices vitae auctor eu augue ut lectus arcu. Sed augue lacus viverra vitae congue. Vulputate eu scelerisque felis imperdiet proin fermentum leo vel. Tristique senectus et netus et malesuada fames ac turpis egestas. Nunc aliquet bibendum enim facilisis. Ultrices dui sapien eget mi proin. Ante metus dictum at tempor commodo ullamcorper a lacus. Facilisis gravida neque convallis a cras semper auctor. Orci a scelerisque purus semper eget duis at tellus. Euismod in pellentesque massa placerat duis ultricies lacus. Mauris ultrices eros in cursus turpis. Fusce id velit ut tortor pretium.
-
-Facilisi morbi tempus iaculis urna id volutpat. Vitae semper quis lectus nulla at volutpat diam ut venenatis. A cras semper auctor neque vitae tempus. Interdum velit euismod in pellentesque massa placerat duis ultricies lacus. Suspendisse ultrices gravida dictum fusce ut placerat. Sit amet volutpat consequat mauris nunc congue. Fermentum posuere urna nec tincidunt praesent semper. Velit sed ullamcorper morbi tincidunt ornare massa eget. Quis auctor elit sed vulputate mi sit amet. Purus semper eget duis at tellus. Sapien eget mi proin sed libero enim sed. Molestie nunc non blandit massa enim nec. Vel turpis nunc eget lorem dolor. Proin sagittis nisl rhoncus mattis. Tristique senectus et netus et malesuada fames ac. Id ornare arcu odio ut sem. Cursus euismod quis viverra nibh. Duis ultricies lacus sed turpis tincidunt id aliquet.
-
-Metus vulputate eu scelerisque felis. Fringilla urna porttitor rhoncus dolor purus non. Venenatis lectus magna fringilla urna porttitor. Sed ullamcorper morbi tincidunt ornare massa eget egestas purus. Amet dictum sit amet justo. Ipsum dolor sit amet consectetur adipiscing elit pellentesque. Fusce id velit ut tortor pretium viverra suspendisse. Netus et malesuada fames ac turpis egestas. Pharetra massa massa ultricies mi. Laoreet suspendisse interdum consectetur libero id faucibus. Integer eget aliquet nibh praesent tristique. Auctor elit sed vulputate mi sit amet. Cursus risus at ultrices mi tempus.
-
-Libero id faucibus nisl tincidunt. Cursus turpis massa tincidunt dui ut ornare lectus sit amet. Et malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Fusce id velit ut tortor. Nec ultrices dui sapien eget. Aenean sed adipiscing diam donec adipiscing tristique risus nec. Diam donec adipiscing tristique risus nec. Donec et odio pellentesque diam volutpat commodo sed. Eget lorem dolor sed viverra ipsum nunc aliquet bibendum. Fermentum iaculis eu non diam phasellus vestibulum lorem sed. Malesuada fames ac turpis egestas. Non arcu risus quis varius. At varius vel pharetra vel turpis nunc eget. Semper feugiat nibh sed pulvinar. Nunc eget lorem dolor sed viverra ipsum nunc aliquet bibendum.
-
-Mi ipsum faucibus vitae aliquet nec ullamcorper sit. Leo a diam sollicitudin tempor id eu nisl nunc mi. Sagittis aliquam malesuada bibendum arcu. Libero volutpat sed cras ornare arcu. Nullam ac tortor vitae purus faucibus. Aenean euismod elementum nisi quis eleifend quam. Dignissim cras tincidunt lobortis feugiat vivamus at. In est ante in nibh mauris cursus mattis molestie. Sagittis aliquam malesuada bibendum arcu vitae elementum curabitur. Nec sagittis aliquam malesuada bibendum arcu. Nunc sed blandit libero volutpat sed cras ornare.
-    </textarea>
-    <p>Text was generated by the <a href=https://loremipsum.io/generator/?n=20&t=p">Lorem Ipsum Generator.</a></p>
-
-    <h3><a href="./">Return to testing home page</a></h3>
-  </div>
-
-  <!-- include a blank div to enable scrolling -->
-  <div style="height:1000px"></div>
-  <p>--End of Document--</p>
-
-  </body>
-
-  <!--
-    *** DEVELOPER NOTE -- FIREFOX CONFIGURATION FOR TESTING ***
-    *
-    * If the URL bar starts with <b>file://</b>, Firefox may not load the font used
-    * to display the special characters used in the On-Screen Keyboard.
-    *
-    * To work around this Firefox bug, navigate to <b>about:config</b>
-    * and set <b>security.fileuri.strict_origin_policy</b> to <b>false</b>
-    * while testing.
-    *
-    * Firefox resolves website-based CSS URI references correctly without needing
-    * any configuration change, so this change should only be made for file-based testing.
-    *
-    ***
-  -->
-</html>