diff --git a/docs/config/app-configs.md b/docs/config/app-configs.md
index 32721230..76da5191 100644
--- a/docs/config/app-configs.md
+++ b/docs/config/app-configs.md
@@ -172,18 +172,3 @@ export default {
   titleTemplate: 'Vite & Vue powered static site generator'
 }
 ```
-
-## outlineTitle
-
-- Type: `string`
-
-The suffix for the title of right sidebar, on top of the outline links. This is useful when writing documentation in another language.
-
-If the option is `undefined`, then the value of `outlineTitle` option will be used. Namely, it shows "On this page" text by default.
-
-```ts
-export default {
-  title: 'VitePress',
-  outlineTitle: 'In hac pagina'
-}
-```