diff -r 4523a0375f71 Makefile.pre.in
--- a/Makefile.pre.in	Sun Feb 14 01:41:35 2016 -0800
+++ b/Makefile.pre.in	Sun Feb 14 12:11:43 2016 +0200
@@ -1592,7 +1592,6 @@
 	-rm -f pybuilddir.txt
 	-rm -f Lib/lib2to3/*Grammar*.pickle
 	-rm -f Programs/_testembed Programs/_freeze_importlib
-	-rm -rf build
 
 profile-removal:
 	find . -name '*.gc??' -exec rm -f {} ';'