Index: /issm/trunk/cron/nightlyrun.sh
===================================================================
--- /issm/trunk/cron/nightlyrun.sh	(revision 8475)
+++ /issm/trunk/cron/nightlyrun.sh	(revision 8476)
@@ -161,4 +161,5 @@
 
 	cd $ISSM_TIER
+	make clean
 	make distclean
 	sh scripts/automakererun.sh