diff --git a/content/modules/settings.js b/content/modules/settings.js
index 11c1b6d..f406717 100644
--- a/content/modules/settings.js
+++ b/content/modules/settings.js
@@ -100,8 +100,3 @@ function settings(action, value = null) {
     }
 }
 
-function parseCustomHighlights(data) {
-    // Legacy function - kept for compatibility
-    // Custom highlights are now handled directly in highlighting.js
-}
-