diff --git a/Lib/pickletools.py b/Lib/pickletools.py
index b2c9599..000fc6b 100644
--- a/Lib/pickletools.py
+++ b/Lib/pickletools.py
@@ -1531,7 +1531,7 @@
       opcode is followed by code to create setstate's argument, and then a
       BUILD opcode to apply  __setstate__ to that argument.
 
-      If type(callable) is not ClassType, REDUCE complains unless the
+      If not isinstance(callable, type), REDUCE complains unless the
       callable has been registered with the copy_reg module's
       safe_constructors dict, or the callable has a magic
       '__safe_for_unpickling__' attribute with a true value.  I'm not sure
@@ -1587,9 +1587,6 @@
         + The argtuple is empty (markobject was at the top of the stack
           at the start).
 
-        + It's an old-style class object (the type of the class object is
-          ClassType).
-
         + The class object does not have a __getinitargs__ attribute.
 
       then we want to create an old-style class instance without invoking