diff --git a/examples/knudsen_pump/study/create_mesh.sh b/examples/knudsen_pump/study/create_mesh.sh
index 1059764eb540c7887f3d801f01e2daacf83130b3..3edc2c17ba78027cbf9c2c2374b4d229dc139c46 100755
--- a/examples/knudsen_pump/study/create_mesh.sh
+++ b/examples/knudsen_pump/study/create_mesh.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-for p in $(seq 4 9)
+for p in $(seq 4 8)
 do
   geoToH5 ../knudsen_pump.geo knudsen_pump"$p".h5 "-setnumber p $p"
 done
diff --git a/examples/knudsen_pump/study/input.yml b/examples/knudsen_pump/study/input.yml
index cb5fe60df3d959296bc5e3572f445418b536a5be..b8128adb598677931a68e8351ca52ed039840e7a 100644
--- a/examples/knudsen_pump/study/input.yml
+++ b/examples/knudsen_pump/study/input.yml
@@ -12,7 +12,6 @@ meshes:
   - knudsen_pump6.h5
   - knudsen_pump7.h5
   - knudsen_pump8.h5
-  - knudsen_pump9.h5
 
 # Numerical Parameters
 # ====================