Index: /issm/trunk-jpl/externalpackages/petsc/install-dev-win10-par.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-dev-win10-par.sh	(revision 19623)
+++ /issm/trunk-jpl/externalpackages/petsc/install-dev-win10-par.sh	(revision 19624)
@@ -2,4 +2,6 @@
 
 STEP=1
+
+rm -rf src
 
 if [ $STEP -eq 1 ]; then