--- a/Makefile	Mon May 14 13:25:42 2012 +0100
+++ b/Makefile	Tue May 15 12:44:07 2012 +0200
@@ -46,7 +46,7 @@
 	-$(PYTHON) setup.py clean --all # ignore errors from this command
 	find . \( -name '*.py[cdo]' -o -name '*.so' \) -exec rm -f '{}' ';'
 	rm -f $(addprefix mercurial/,$(notdir $(wildcard mercurial/pure/[a-z]*.py)))
-	rm -f MANIFEST MANIFEST.in tests/*.err
+	rm -f MANIFEST MANIFEST.in mercurial/__version__.py tests/*.err
 	rm -rf build mercurial/locale
 	$(MAKE) -C doc clean