diff --git a/benchmark.ts b/benchmark.ts
deleted file mode 100644
index 589c571..0000000
--- a/benchmark.ts
+++ /dev/null
@@ -1,98 +0,0 @@
-class MockClassList {
-  classes: Set<string> = new Set();
-  add(cls: string) { this.classes.add(cls); }
-  remove(cls: string) { this.classes.delete(cls); }
-}
-
-class MockHTMLElement {
-  classList = new MockClassList();
-  dataset: any = {};
-}
-
-const N = 10000;
-const ITEM_COUNT = 100;
-
-function benchmarkOld() {
-  const cachedItems = Array.from({ length: ITEM_COUNT }, (_, i) => ({
-    el: new MockHTMLElement(),
-    top: i * 10,
-    bottom: i * 10 + 9
-  }));
-  cachedItems.forEach((item, i) => item.el.dataset.docId = String(i));
-
-  const data = { docs: Array.from({ length: ITEM_COUNT }, (_, i) => ({ id: String(i), pinned: false })) };
-  const doc = { pinned: false };
-  const el = cachedItems[0].el;
-
-  const start = performance.now();
-  for (let i = 0; i < N; i++) {
-    const clientY = (i % ITEM_COUNT) * 10 + 5; // simulate moving through all items
-
-    let over: MockHTMLElement | undefined;
-    for (const item of cachedItems) {
-      item.el.classList.remove("drag-over");
-      if (!over && item.el !== el) {
-        if (clientY >= item.top && clientY <= item.bottom) {
-          over = item.el;
-        }
-      }
-    }
-    if (over) {
-      const overDoc = data.docs.find((d) => d.id === over.dataset.docId);
-      if (overDoc && !!overDoc.pinned === !!doc.pinned) over.classList.add("drag-over");
-    }
-  }
-  return performance.now() - start;
-}
-
-function benchmarkNew() {
-  const cachedItems = Array.from({ length: ITEM_COUNT }, (_, i) => ({
-    el: new MockHTMLElement(),
-    top: i * 10,
-    bottom: i * 10 + 9
-  }));
-  cachedItems.forEach((item, i) => item.el.dataset.docId = String(i));
-
-  const data = { docs: Array.from({ length: ITEM_COUNT }, (_, i) => ({ id: String(i), pinned: false })) };
-  const doc = { pinned: false };
-  const el = cachedItems[0].el;
-  let prevOver: MockHTMLElement | undefined;
-
-  const start = performance.now();
-  for (let i = 0; i < N; i++) {
-    const clientY = (i % ITEM_COUNT) * 10 + 5; // simulate moving through all items
-
-    let over: MockHTMLElement | undefined;
-    for (const item of cachedItems) {
-      if (!over && item.el !== el) {
-        if (clientY >= item.top && clientY <= item.bottom) {
-          over = item.el;
-        }
-      }
-    }
-
-    let newOver: MockHTMLElement | undefined;
-    if (over) {
-      const overDoc = data.docs.find((d) => d.id === over.dataset.docId);
-      if (overDoc && !!overDoc.pinned === !!doc.pinned) {
-        newOver = over;
-      }
-    }
-
-    if (prevOver && prevOver !== newOver) {
-      prevOver.classList.remove("drag-over");
-    }
-    if (newOver && prevOver !== newOver) {
-      newOver.classList.add("drag-over");
-    }
-    prevOver = newOver;
-  }
-  return performance.now() - start;
-}
-
-const oldTime = benchmarkOld();
-const newTime = benchmarkNew();
-
-console.log(`Old Time: ${oldTime.toFixed(2)} ms`);
-console.log(`New Time: ${newTime.toFixed(2)} ms`);
-console.log(`Improvement: ${((oldTime - newTime) / oldTime * 100).toFixed(2)}%`);