diff --git a/client/scss/overrides/_utilities.legacy.scss b/client/scss/overrides/_utilities.legacy.scss
index 631d0ddae2..c28c31a1d2 100644
--- a/client/scss/overrides/_utilities.legacy.scss
+++ b/client/scss/overrides/_utilities.legacy.scss
@@ -44,8 +44,3 @@ body.reordering {
 .block {
   display: block;
 }
-
-// utility class to allow things to be scrollable if their contents can't wrap more nicely
-.overflow {
-  overflow: auto;
-}
diff --git a/wagtail/contrib/forms/templates/wagtailforms/list_submissions.html b/wagtail/contrib/forms/templates/wagtailforms/list_submissions.html
index 28d3e30a61..615352146b 100644
--- a/wagtail/contrib/forms/templates/wagtailforms/list_submissions.html
+++ b/wagtail/contrib/forms/templates/wagtailforms/list_submissions.html
@@ -1,5 +1,5 @@
 {% load i18n %}
-<div class="overflow">
+<div class="w-overflow-auto">
     <table class="listing" data-controller="w-bulk" data-w-bulk-action-inactive-class="w-invisible">
         <col />
         <col />