diff --git a/modules/backend/layouts/_head.php b/modules/backend/layouts/_head.php
index f1b4526c21..3f1db08555 100644
--- a/modules/backend/layouts/_head.php
+++ b/modules/backend/layouts/_head.php
@@ -52,13 +52,13 @@
 ?>
 
 <?php foreach ($styles as $style): ?>
-    <link href="<?= $style . '?v=' . $coreBuild; ?>" rel="stylesheet" importance="high">
-    <link href="<?= $style . '?v=' . $coreBuild; ?>" rel="preload" as="style" importance="high">
+    <link href="<?= $style . '?v=' . $coreBuild; ?>" rel="stylesheet">
+    <link href="<?= $style . '?v=' . $coreBuild; ?>" rel="preload" as="style">
 <?php endforeach; ?>
 
 <?php foreach ($scripts as $script): ?>
-    <script data-cfasync="false" src="<?= $script . '?v=' . $coreBuild; ?>" importance="high"></script>
-    <link href="<?= $script . '?v=' . $coreBuild; ?>" rel="preload" as="script" importance="high">
+    <script data-cfasync="false" src="<?= $script . '?v=' . $coreBuild; ?>"></script>
+    <link href="<?= $script . '?v=' . $coreBuild; ?>" rel="preload" as="script">
 <?php endforeach; ?>
 
 <?php if (!Config::get('cms.enableBackendServiceWorkers', false)): ?>