diff --git a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties1 b/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties1
deleted file mode 100644
index 57295cafbddae1ebb95e37c40b4281620431352b..0000000000000000000000000000000000000000
--- a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties1
+++ /dev/null
@@ -1,53 +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       dictionary;
-    location    "constant";
-    object      thermophysicalProperties;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-thermoType
-{
-    type            heRhoThermo;
-    mixture         pureMixture;
-    transport       const;
-    thermo          hConst;
-    equationOfState perfectFluid;
-    specie          specie;
-    energy          sensibleInternalEnergy;
-}
-
-mixture
-{
-    specie
-    {
-        nMoles      1;
-        molWeight   28.9; //2.77;
-    }
-    equationOfState
-    {
-        rho0        1027;
-    }
-    thermodynamics
-    {
-        Cp          4195;
-        Hf          0;
-    }
-    transport
-    {
-        mu          3.645e-4;
-        Pr          2.289;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties2 b/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties2
deleted file mode 100644
index e61009c10be927d2af1b6981cc75ad368e85d5c3..0000000000000000000000000000000000000000
--- a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/thermophysicalProperties2
+++ /dev/null
@@ -1,49 +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       dictionary;
-    location    "constant";
-    object      thermophysicalProperties;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-thermoType
-{
-    type            heRhoThermo;
-    mixture         pureMixture;
-    transport       const;
-    thermo          hConst;
-    equationOfState perfectGas;
-    specie          specie;
-    energy          sensibleInternalEnergy;
-}
-
-mixture
-{
-    specie
-    {
-        nMoles      1;
-        molWeight   28.9;
-    }
-    thermodynamics
-    {
-        Cp          1007;
-        Hf          0;
-    }
-    transport
-    {
-        mu          1.84e-05;
-        Pr          0.7;
-    }
-}
-
-
-// ************************************************************************* //