diff --git a/files/ja/web/css/_colon_is/index.md b/files/ja/web/css/_colon_is/index.md
index b7817bc044def6..d2434e84c00400 100644
--- a/files/ja/web/css/_colon_is/index.md
+++ b/files/ja/web/css/_colon_is/index.md
@@ -1,8 +1,6 @@
 ---
 title: ":is()"
 slug: Web/CSS/:is
-page-type: css-pseudo-class
-browser-compat: css.selectors.is
 l10n:
   sourceCommit: ac2874857a3de0be38430e58068597edf0afa2b2
 ---