diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/Allrun.pre b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/Allrun.pre
index 03f7254cf2..3f6ac68313 100755
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/Allrun.pre
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/Allrun.pre
@@ -13,8 +13,8 @@ rm -rf 0/domain3 constant/domain3 system/domain3
 # Remove fluid fields from solid regions (important for post-processing)
 for region in $(foamListRegions solid)
 do
-    rm -f 0/$region/{rho,mut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
-    rm -f processor*/0/$region/{rho,mut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
+    rm -f 0/$region/{rho,nut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
+    rm -f processor*/0/$region/{rho,nut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
 done
 
 # Set the initial fields
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/solarBeamWithTrees/Allrun.pre b/tutorials/heatTransfer/chtMultiRegionFoam/solarBeamWithTrees/Allrun.pre
index e013b5fb06..1ca5a5bad8 100755
--- a/tutorials/heatTransfer/chtMultiRegionFoam/solarBeamWithTrees/Allrun.pre
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/solarBeamWithTrees/Allrun.pre
@@ -15,8 +15,8 @@ rm -rf 0/domain3 constant/domain3 system/domain3
 # Remove fluid fields from solid regions (important for post-processing)
 for region in $(foamListRegions solid)
 do
-    rm -f 0/"$region"/{rho,mut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
-    rm -f processor*/0/"$region"/{rho,mut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
+    rm -f 0/"$region"/{rho,nut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
+    rm -f processor*/0/"$region"/{rho,nut,alphat,epsilon,k,U,p_rgh,qr,G,IDefault}
 done
 
 # Set the initial fields
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/0.orig/cabin/mut b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/0.orig/cabin/mut
deleted file mode 100644
index 80a787164c..0000000000
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/0.orig/cabin/mut
+++ /dev/null
@@ -1,60 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v2312                                 |
-|   \\  /    A nd           | Website:  www.openfoam.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      binary;
-    class       volScalarField;
-    object      mut;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [1 -1 -1 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    inlet
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-
-    outlet
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-
-    symmetry
-    {
-        type            symmetryPlane;
-    }
-
-    walls
-    {
-        type            mutkWallFunction;
-        Cmu             0.09;
-        kappa           0.41;
-        E               9.8;
-        value           uniform 0;
-    }
-
-    cabin_to_ice
-    {
-        type            mutkWallFunction;
-        Cmu             0.09;
-        kappa           0.41;
-        E               9.8;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //