diff --git a/packages/@vuepress/theme-default/layouts/Layout.vue b/packages/@vuepress/theme-default/layouts/Layout.vue
index ca0dcdec77..e7119d70d7 100644
--- a/packages/@vuepress/theme-default/layouts/Layout.vue
+++ b/packages/@vuepress/theme-default/layouts/Layout.vue
@@ -86,7 +86,6 @@ export default {
     shouldShowSidebar () {
       const { frontmatter } = this.$page
       return (
-        !frontmatter.layout &&
         !frontmatter.home &&
         frontmatter.sidebar !== false &&
         this.sidebarItems.length