diff --git a/apps/web/src/pages/products/utils.ts b/apps/web/src/pages/products/utils.ts
deleted file mode 100644
index 52d11b67a..000000000
--- a/apps/web/src/pages/products/utils.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-/** 格式化时长（秒 → "MM:SS"） */
-export const formatDuration = (seconds: number): string => {
-  if (!seconds || seconds <= 0) return "00:00"
-  const m = Math.floor(seconds / 60)
-  const s = Math.floor(seconds % 60)
-  return `${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`
-}
-
-/** 格式化文件大小（MB） */
-export const formatFileSize = (mb: number): string => {
-  if (!mb || mb <= 0) return "-"
-  if (mb < 1024) return `${mb.toFixed(1)} MB`
-  return `${(mb / 1024).toFixed(2)} GB`
-}
-
-/** 格式化日期 */
-export const formatDate = (dateStr: string): string => {
-  if (!dateStr) return "-"
-  const d = new Date(dateStr)
-  return d.toLocaleDateString("zh-CN", {
-    year: "numeric",
-    month: "2-digit",
-    day: "2-digit",
-    hour: "2-digit",
-    minute: "2-digit",
-  })
-}