diff --git a/pep-0660.rst b/pep-0660.rst
index 535d4d9939d0..35c1b165e848 100644
--- a/pep-0660.rst
+++ b/pep-0660.rst
@@ -88,17 +88,9 @@ build_wheel_for_editable
 
 :: 
 
-  def build_wheel_for_editable(
-      wheel_directory,
-      scheme=scheme, 
-      config_settings=None):
+  def build_wheel_for_editable(wheel_directory, config_settings=None):
       ...
 
-``scheme``: a dictionary of installation categories ``{ 'purelib':
-'/home/py/.../site-packages', 'platlib': '...'}``. This makes it possible to
-use relative paths to the source code, which might help the interpreter find
-the package after the root path changes with ``chroot`` or similar.
-
 Must build a ``.whl`` file, and place it in the specified ``wheel_directory``.
 It must return the basename (not the full path) of the .whl file it creates, as
 a unicode string.