diff --git a/site/static/docs/4.3/assets/scss/_sidebar.scss b/site/static/docs/4.3/assets/scss/_sidebar.scss
index 5cb25bbc368c739220a9f38ec50a8de5502883a0..58763bcebaf98df9b7df4042d88583fb33271dee 100644
--- a/site/static/docs/4.3/assets/scss/_sidebar.scss
+++ b/site/static/docs/4.3/assets/scss/_sidebar.scss
@@ -5,7 +5,6 @@
     @supports (position: sticky) {
       position: sticky;
       top: 5rem;
-      z-index: 1000;
       height: calc(100vh - 7rem);
       overflow-y: auto;
     }