--- a/browser/themes/shared/controlcenter/panel.inc.css
+++ b/browser/themes/shared/controlcenter/panel.inc.css
@@ -131,32 +131,30 @@
 
 .identity-popup-expander:-moz-locale-dir(rtl) {
   transform: scaleX(-1);
 }
 
 .identity-popup-expander[panel-multiview-anchor] {
   transition: background-color 250ms ease-in;
   background-color: Highlight;
-  background-image: url("chrome://browser/skin/controlcenter/arrow-subview-back.svg"),
-                    linear-gradient(rgba(255,255,255,0.3), transparent);
+  background-image: url("chrome://browser/skin/controlcenter/arrow-subview-back.svg");
 }
 
 .identity-popup-expander > .button-box {
   padding: 0;
 }
 
 .identity-popup-expander:not([panel-multiview-anchor]) > .button-box {
   border-left: 1px solid var(--panel-separator-color);
 }
 
 .identity-popup-expander:hover {
   background-color: var(--arrowpanel-dimmed);
-  background-image: url("chrome://browser/skin/controlcenter/arrow-subview.svg"),
-                    linear-gradient(rgba(255,255,255,0.3), transparent);
+  background-image: url("chrome://browser/skin/controlcenter/arrow-subview.svg");
 }
 
 .identity-popup-expander:hover:active {
   background-color: var(--arrowpanel-dimmed-further);
   box-shadow: 0 1px 0 hsla(210,4%,10%,.05) inset;
 }
 
 /* CONTENT */