diff --git a/lib/hooks/useMultiTrack.ts b/lib/hooks/useMultiTrack.ts
index 6ac1653..0cf9de0 100644
--- a/lib/hooks/useMultiTrack.ts
+++ b/lib/hooks/useMultiTrack.ts
@@ -30,10 +30,7 @@ export function useMultiTrack() {
     if (typeof window === 'undefined') return;
 
     try {
-      const trackData = tracks.map((track) => ({
-        ...track,
-        audioBuffer: null, // Don't serialize audio buffers
-      }));
+      const trackData = tracks.map(({ audioBuffer, ...track }) => track);
       localStorage.setItem(STORAGE_KEY, JSON.stringify(trackData));
     } catch (error) {
       console.error('Failed to save tracks to localStorage:', error);