diff --git a/tutorials/mesh/createPatch/multiRegionHeater_autoPatch/Allclean b/tutorials/mesh/createPatch/multiRegionHeater_autoPatch/Allclean
index 67390b667b..51f002a84e 100755
--- a/tutorials/mesh/createPatch/multiRegionHeater_autoPatch/Allclean
+++ b/tutorials/mesh/createPatch/multiRegionHeater_autoPatch/Allclean
@@ -4,9 +4,9 @@ cd "${0%/*}" || exit                                # Run from this directory
 #------------------------------------------------------------------------------
 
 cleanCase0
-rm -r constant/bottomSolid/polyMesh
-rm -r constant/leftSolid/polyMesh
-rm -r constant/rightSolid/polyMesh
-rm -r constant/topAir/polyMesh
+rm -rf constant/bottomSolid/polyMesh
+rm -rf constant/leftSolid/polyMesh
+rm -rf constant/rightSolid/polyMesh
+rm -rf constant/topAir/polyMesh
 
 #------------------------------------------------------------------------------
diff --git a/tutorials/multiphase/reactingMultiphaseEulerFoam/laminar/mixerVessel2D/system/controlDict b/tutorials/multiphase/reactingMultiphaseEulerFoam/laminar/mixerVessel2D/system/controlDict
index b23b4c69c3..1d564d9601 100644
--- a/tutorials/multiphase/reactingMultiphaseEulerFoam/laminar/mixerVessel2D/system/controlDict
+++ b/tutorials/multiphase/reactingMultiphaseEulerFoam/laminar/mixerVessel2D/system/controlDict
@@ -32,7 +32,7 @@ writeInterval   0.1;
 
 purgeWrite      0;
 
-writeFormat     ascii;
+writeFormat     binary;
 
 writePrecision  6;