--- a/browser/themes/osx/browser.css
+++ b/browser/themes/osx/browser.css
@@ -315,23 +315,16 @@ toolbarbutton.chevron:-moz-locale-dir(rt
 
   toolbarbutton.chevron > .toolbarbutton-icon {
     width: 13px;
   }
 }
 
 /* ----- BOOKMARK BUTTONS ----- */
 
-.bookmark-item > .toolbarbutton-menu-dropmarker {
-  list-style-image: url("chrome://browser/skin/places/arrow-down.svg");
-  fill: currentColor;
-  margin-top: 1px;
-  margin-inline-start: 3px;
-}
-
 .bookmark-item[container] {
   list-style-image: url("chrome://global/skin/tree/folder.png");
 }
 
 .bookmark-item[container][livemark] {
   list-style-image: url("chrome://browser/skin/page-livemarks.png");
 }
 

--- a/browser/themes/shared/jar.inc.mn
+++ b/browser/themes/shared/jar.inc.mn
@@ -180,19 +180,16 @@
   skin/classic/browser/welcome-back.svg                        (../shared/incontent-icons/welcome-back.svg)
   skin/classic/browser/readerMode.svg                          (../shared/reader/readerMode.svg)
   skin/classic/browser/panic-panel/header.png                  (../shared/panic-panel/header.png)
   skin/classic/browser/panic-panel/header@2x.png               (../shared/panic-panel/header@2x.png)
   skin/classic/browser/panic-panel/header-small.png            (../shared/panic-panel/header-small.png)
   skin/classic/browser/panic-panel/header-small@2x.png         (../shared/panic-panel/header-small@2x.png)
   skin/classic/browser/panic-panel/icons.png                   (../shared/panic-panel/icons.png)
   skin/classic/browser/panic-panel/icons@2x.png                (../shared/panic-panel/icons@2x.png)
-#ifndef MOZ_WIDGET_GTK
-  skin/classic/browser/places/arrow-down.svg                   (../shared/places/arrow-down.svg)
-#endif
   skin/classic/browser/places/bookmarks-notification-finish.png (../shared/places/bookmarks-notification-finish.png)
   skin/classic/browser/places/bookmarks-notification-finish@2x.png (../shared/places/bookmarks-notification-finish@2x.png)
   skin/classic/browser/privatebrowsing/aboutPrivateBrowsing.css (../shared/privatebrowsing/aboutPrivateBrowsing.css)
   skin/classic/browser/privatebrowsing/favicon.svg             (../shared/privatebrowsing/favicon.svg)
   skin/classic/browser/privatebrowsing/private-browsing.svg    (../shared/privatebrowsing/private-browsing.svg)
   skin/classic/browser/privatebrowsing/tracking-protection-off.svg (../shared/privatebrowsing/tracking-protection-off.svg)
   skin/classic/browser/privatebrowsing/tracking-protection.svg (../shared/privatebrowsing/tracking-protection.svg)
   skin/classic/browser/compacttheme/loading-inverted.png (../shared/compacttheme/loading-inverted.png)

deleted file mode 100644
--- a/browser/themes/shared/places/arrow-down.svg
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 8 8">
-  <path fill="context-fill" d="M0 2h8L4 6 0 2z"/>
-</svg>

--- a/browser/themes/shared/toolbarbuttons.inc.css
+++ b/browser/themes/shared/toolbarbuttons.inc.css
@@ -454,12 +454,15 @@ toolbarbutton.bookmark-item:not(.subview
 }
 
 /* Force the display of the label for bookmarks */
 .bookmark-item > .toolbarbutton-text,
 #personal-bookmarks[cui-areatype="toolbar"] > #bookmarks-toolbar-placeholder > .toolbarbutton-text {
   display: -moz-box !important;
 }
 
-.bookmark-item > .toolbarbutton-icon[label]:not([label=""]),
-.bookmark-item > .toolbarbutton-icon[type="menu"] {
+.bookmark-item > .toolbarbutton-icon[label]:not([label=""]) {
   margin-inline-end: 5px;
 }
+
+.bookmark-item > .toolbarbutton-menu-dropmarker {
+  display: none;
+}

--- a/browser/themes/windows/browser.css
+++ b/browser/themes/windows/browser.css
@@ -370,23 +370,16 @@ toolbar[brighttext] {
 @media not all and (-moz-windows-classic) {
   #titlebar-min {
     margin-inline-end: 2px;
   }
 }
 
 /* ::::: bookmark buttons ::::: */
 
-.bookmark-item > .toolbarbutton-menu-dropmarker {
-  list-style-image: url("chrome://browser/skin/places/arrow-down.svg");
-  fill: currentColor;
-  margin-top: 1px;
-  margin-inline-start: 3px;
-}
-
 #bookmarks-toolbar-placeholder {
   list-style-image: url("chrome://browser/skin/places/bookmarksToolbar.png") !important;
 }
 
 toolbarpaletteitem[place="palette"] > #personal-bookmarks > #bookmarks-toolbar-placeholder,
 #personal-bookmarks[cui-areatype="menu-panel"] > #bookmarks-toolbar-placeholder {
   list-style-image: url("chrome://browser/skin/places/bookmarksToolbar-menuPanel.png") !important;
 }