diff --git a/files/en-us/web/api/css_object_model/index.md b/files/en-us/web/api/css_object_model/index.md
index 68441c3a40356e8..c7a9ff7781aba4d 100644
--- a/files/en-us/web/api/css_object_model/index.md
+++ b/files/en-us/web/api/css_object_model/index.md
@@ -19,7 +19,6 @@ The values of CSS are represented untyped, that is using {{JSxRef("String")}} ob
 - {{DOMxRef("AnimationEvent")}}
 - {{DOMxRef("CaretPosition")}}
 - {{DOMxRef("CSS")}}
-- {{DOMxRef("CSSCharsetRule")}}
 - {{DOMxRef("CSSConditionRule")}}
 - {{DOMxRef("CSSCounterStyleRule")}}
 - {{DOMxRef("CSSFontFaceRule")}}
@@ -39,12 +38,9 @@ The values of CSS are represented untyped, that is using {{JSxRef("String")}} ob
 - {{DOMxRef("CSSStyleSheet")}}
 - {{DOMxRef("CSSStyleRule")}}
 - {{DOMxRef("CSSSupportsRule")}}
-- {{DOMxRef("CSSVariablesMap")}}
-- {{DOMxRef("CSSViewportRule")}}
 - {{DOMxRef("FontFace")}}
 - {{DOMxRef("FontFaceSet")}}
 - {{DOMxRef("FontFaceSetLoadEvent")}}
-- {{DOMxRef("GetStyleUtils")}}
 - {{DOMxRef("MediaList")}}
 - {{DOMxRef("MediaQueryList")}}
 - {{DOMxRef("MediaQueryListEvent")}}