diff --git a/Makefile.pre.in b/Makefile.pre.in
index aac765b..70e5b0e 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -592,6 +592,8 @@
 
 testall:	all platform
 		-find $(srcdir)/Lib -name '*.py[co]' -print | xargs rm -f
+		$(TESTPYTHON) Lib/compileall.py
+		-find $(srcdir)/Lib -name '*.py[co]' -print | xargs rm -f
 		-$(TESTPYTHON) $(TESTPROG) $(TESTOPTS) -uall
 		$(TESTPYTHON) $(TESTPROG) $(TESTOPTS) -uall