diff --git a/app/assets/stylesheets/common/components/footer-nav.scss b/app/assets/stylesheets/common/components/footer-nav.scss
index 194fd4baaf5..71ed2f9af5d 100644
--- a/app/assets/stylesheets/common/components/footer-nav.scss
+++ b/app/assets/stylesheets/common/components/footer-nav.scss
@@ -2,10 +2,7 @@
 // Footer nav bar (displayed in DiscourseHub app and PWAs)
 // --------------------------------------------------
 
-:root {
-  --footer-nav-height: 49px;
-}
-$footer-nav-height: var(--footer-nav-height);
+$footer-nav-height: 49px;
 
 body.footer-nav-visible {
   #main-outlet {