diff --git a/res/css/structures/_AutoHideScrollbar.pcss b/res/css/structures/_AutoHideScrollbar.pcss
index 610e63e5377..834770d83a1 100644
--- a/res/css/structures/_AutoHideScrollbar.pcss
+++ b/res/css/structures/_AutoHideScrollbar.pcss
@@ -1,16 +1,19 @@
 /*
 Copyright 2018-2024 New Vector Ltd.
+Copyright 2024 Suguru Hirahara
 
 SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
-/* make any scrollbar grey and thin */
+/* make any scrollbar grey */
 html {
     scrollbar-color: $scrollbar-thumb-color transparent;
 }
+/* SC: disabled */
 /* scrollbar-width is not inherited (but -color is, why?!), */
 /* so declare it on every element */
+/*
 * {
     scrollbar-width: thin;
 }
@@ -19,6 +22,7 @@ html {
     width: 6px;
     height: 6px;
 }
+*/
 
 ::-webkit-scrollbar-thumb {
     border-radius: 3px;