diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index 2c5df52..0bad946 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -165,8 +165,9 @@
 #itertools itertoolsmodule.c	# Functions creating iterators for efficient looping 
 #atexit atexitmodule.c      # Register functions to be run at interpreter-shutdown
 #_functools _functoolsmodule.c	# Tools for working with functions and callable objects
-#_elementtree _elementtree.c	# elementtree accelerator
+#_elementtree -I$(srcdir)/Modules/expat -DHAVE_EXPAT_CONFIG_H -DUSE_PYEXPAT_CAPI _elementtree.c	# elementtree accelerator
 #_pickle _pickle.c	# pickle accelerator
+#datetime datetimemodule.c	# date/time type
 
 #unicodedata unicodedata.c    # static Unicode character database