Remove link to objects.rst (gone in r79179).
diff --git a/Doc/library/__builtin__.rst b/Doc/library/__builtin__.rst
index 5c89c0c..ec189b6 100644
--- a/Doc/library/__builtin__.rst
+++ b/Doc/library/__builtin__.rst
@@ -8,7 +8,7 @@
This module provides direct access to all 'built-in' identifiers of Python; for
example, ``__builtin__.open`` is the full name for the built-in function
-:func:`open`. See chapter :ref:`builtin`.
+:func:`open`.
This module is not normally accessed explicitly by most applications, but can be
useful in modules that provide objects with the same name as a built-in value,