diff --git a/content/treestyletab/treestyletab.css b/content/treestyletab/treestyletab.css
index eb138f82..3c30aaaa 100644
--- a/content/treestyletab/treestyletab.css
+++ b/content/treestyletab/treestyletab.css
@@ -513,3 +513,12 @@ image.tab-icon {
 :root:not([treestyletab-tabbar-fixed="true"]) #ctStack {
 	display: none;
 }
+
+/* Tab Utilities */
+.tabbrowser-tabs[highlightLocked][highlightSelected][highlightUnread]
+  > .tabbrowser-tab .tab-icon > .tab-icon-image ~ *,
+.tabbrowser-tabs[highlightlocked][highlightselected][highlightunread]
+  > .tabbrowser-tab .tab-icon > .tab-icon-image ~ * {
+	background: none !important;
+}
+