diff --git a/stubs/Markdown/markdown/util.pyi b/stubs/Markdown/markdown/util.pyi
index 3af385c70..7189cfa92 100644
--- a/stubs/Markdown/markdown/util.pyi
+++ b/stubs/Markdown/markdown/util.pyi
@@ -12,7 +12,6 @@ AMP_SUBSTITUTE: Any
 HTML_PLACEHOLDER: Any
 HTML_PLACEHOLDER_RE: Pattern[str]
 TAG_PLACEHOLDER: Any
-INSTALLED_EXTENSIONS: Any
 RTL_BIDI_RANGES: Any
 
 def deprecated(message: str, stacklevel: int = ...): ...