diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index ad6682f8f339..bd623c19b582 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -7,6 +7,7 @@ from _typeshed import (
     OpenBinaryModeUpdating,
     OpenBinaryModeWriting,
     OpenTextMode,
+    ReadableBuffer,
     Self,
     StrOrBytesPath,
     SupportsAnext,
@@ -79,7 +80,6 @@ BufferedWriter = Any
 FileIO = Any
 CodeType = Any
 TracebackType = Any
-ReadableBuffer = Any
 
 class _SupportsIter(Protocol[_T_co]):
     def __iter__(self) -> _T_co: ...