diff --git a/examples/9/clean b/examples/9/clean
index a0fd4a44a2e340963130f6085a22bc759e5384f4..68ebf184145c2955b2e2a232c7f1db8f0f6488d3 100755
--- a/examples/9/clean
+++ b/examples/9/clean
@@ -2,7 +2,6 @@
 
 rm -rf example
 rm  -f example*.json
-rm -f example*.m
 rm -f example*.mat
 rm -f example.log
-rm -f ssr_zpac.m
+rm -f *.m