diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index dbfcb15d..290830f4 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -292,10 +292,6 @@ class DisplaySearch extends Display {
         return this.optionsContext;
     }
 
-    setCustomCss() {
-        // No custom CSS
-    }
-
     setIntroVisible(visible, animate) {
         if (this.introVisible === visible) {
             return;