diff --git a/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/0/mut b/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/0/mut
deleted file mode 100644
index 7c893682965996d4b4b48036a27527eeab2ebdf6..0000000000000000000000000000000000000000
--- a/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/0/mut
+++ /dev/null
@@ -1,42 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  dev                                   |
-|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      mut;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [1 -1 -1 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    floor
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-    ceiling
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-    fixedWalls
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/mut b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/mut
deleted file mode 100644
index 7c893682965996d4b4b48036a27527eeab2ebdf6..0000000000000000000000000000000000000000
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/mut
+++ /dev/null
@@ -1,42 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  dev                                   |
-|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      mut;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [1 -1 -1 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    floor
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-    ceiling
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-    fixedWalls
-    {
-        type            mutWallFunction;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //