diff --git a/examples/knudsen_pump/study/create_mesh.sh b/examples/knudsen_pump/study/create_mesh.sh
index 3edc2c17ba78027cbf9c2c2374b4d229dc139c46..f45788f039aadbcc55b24c23d0b7a42d6d5bdc99 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 8)
+for p in $(seq 4 7)
 do
   geoToH5 ../knudsen_pump.geo knudsen_pump"$p".h5 "-setnumber p $p"
 done
diff --git a/examples/knudsen_pump/study/input.yml b/examples/knudsen_pump/study/input.yml
index b8128adb598677931a68e8351ca52ed039840e7a..44668ed40102a52f9f9f4e20d7f39cda41e8d83f 100644
--- a/examples/knudsen_pump/study/input.yml
+++ b/examples/knudsen_pump/study/input.yml
@@ -11,7 +11,6 @@ meshes:
   - knudsen_pump5.h5
   - knudsen_pump6.h5
   - knudsen_pump7.h5
-  - knudsen_pump8.h5
 
 # Numerical Parameters
 # ====================