diff --git a/index.html b/index.html
index 33348f0..5a88280 100644
--- a/index.html
+++ b/index.html
@@ -1683,14 +1683,9 @@ isolateBtn.addEventListener('click', isolateTracks);
 deleteBtn.addEventListener('click', deleteTrack);
 clearBtn.addEventListener('click', () => {
   if (tracks.length === 0) return;
-  if (currentIndex >= 0) {
-    const current = tracks[currentIndex];
-    tracks = [current];
-    currentIndex = 0;
-  } else {
-    tracks = [];
-    currentIndex = -1;
-  }
+  for (const t of tracks) URL.revokeObjectURL(t.url);
+  tracks = [];
+  currentIndex = -1;
   selectedIndices.clear();
   anchorTrack = null;
   renderTracks();