--- a/browser/themes/shared/urlbar-searchbar.inc.css
+++ b/browser/themes/shared/urlbar-searchbar.inc.css
@@ -174,22 +174,16 @@
   width: 26px;
 }
 
 .urlbar-go-button:-moz-locale-dir(ltr),
 .search-go-button:-moz-locale-dir(ltr) {
   transform: scaleX(-1);
 }
 
-.urlbar-go-button:hover,
-.search-go-button:hover {
-  fill: #058b00;
-  fill-opacity: 1;
-}
-
 .urlbar-history-dropmarker {
   -moz-appearance: none;
   list-style-image: url(chrome://global/skin/icons/arrow-dropdown-16.svg);
   transition: opacity 0.15s ease;
 }
 
 #urlbar[switchingtabs] > .urlbar-textbox-container > .urlbar-history-dropmarker {
   transition: none;