diff --git a/src/js/_enqueues/admin/inline-edit-post.js b/src/js/_enqueues/admin/inline-edit-post.js
index a6d334795d..c7d07e6cdf 100644
--- a/src/js/_enqueues/admin/inline-edit-post.js
+++ b/src/js/_enqueues/admin/inline-edit-post.js
@@ -420,7 +420,6 @@ window.wp = window.wp || {};
 					$error = $errorNotice.find( '.error' );
 
 				$( 'table.widefat .spinner' ).removeClass( 'is-active' );
-				$( '.ac_results' ).hide();
 
 				if (r) {
 					if ( -1 !== r.indexOf( '<tr' ) ) {
@@ -466,7 +465,6 @@ window.wp = window.wp || {};
 
 		if ( id ) {
 			$( '.spinner', $tableWideFat ).removeClass( 'is-active' );
-			$( '.ac_results' ).hide();
 
 			if ( 'bulk-edit' === id ) {
 
diff --git a/src/wp-admin/css/edit.css b/src/wp-admin/css/edit.css
index ef7a39940e..ceb9e6545b 100644
--- a/src/wp-admin/css/edit.css
+++ b/src/wp-admin/css/edit.css
@@ -1238,7 +1238,7 @@ p.popular-tags a {
 	display: inline-block;
 }
 
-/* Suggest.js autocomplete, no more used by core. */
+/* Back-compat styles from deprecated jQuery.suggest, see ticket #40260. */
 .ac_results {
 	display: none;
 	margin: -1px 0 0;