diff --git a/.vitepress/theme/utils/env.ts b/.vitepress/theme/utils/env.ts
index 2f2e9b8..7122343 100644
--- a/.vitepress/theme/utils/env.ts
+++ b/.vitepress/theme/utils/env.ts
@@ -13,19 +13,3 @@ export function isClient(): boolean {
 export function isServer(): boolean {
   return !isClient();
 }
-
-/**
- * 判断当前是否在开发环境
- * @returns 如果是开发环境返回 true，否则返回 false
- */
-export function isDev(): boolean {
-  return process.env.NODE_ENV === "development";
-}
-
-/**
- * 判断当前是否在生产环境
- * @returns 如果是生产环境返回 true，否则返回 false
- */
-export function isProd(): boolean {
-  return process.env.NODE_ENV === "production";
-}