--- a/Makefile	Sat May 03 03:29:30 2014 +0200
+++ b/Makefile	Mon May 05 16:54:15 2014 +0200
@@ -56,7 +56,7 @@
 	find contrib doc hgext i18n mercurial tests \
 		\( -name '*.py[cdo]' -o -name '*.so' \) -exec rm -f '{}' ';'
 	rm -f $(addprefix mercurial/,$(notdir $(wildcard mercurial/pure/[a-z]*.py)))
-	rm -f MANIFEST MANIFEST.in mercurial/__version__.py tests/*.err
+	rm -f MANIFEST MANIFEST.in mercurial/__version__.py hgext/__index__.py tests/*.err
 	rm -rf build mercurial/locale
 	$(MAKE) -C doc clean