Issue #28339: Remove ByteString.register(memoryview(...)) from typing.py.
diff --git a/Lib/typing.py b/Lib/typing.py
index 557fa58..35d562e 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -1668,9 +1668,6 @@
     __slots__ = ()
 
 
-ByteString.register(type(memoryview(b'')))
-
-
 class List(list, MutableSequence[T], extra=list):
 
     __slots__ = ()