diff --git a/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/polyMesh/boundary b/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/polyMesh/boundary
deleted file mode 100644
index 76c1ea53eba11b2258ecc29b4f475b38beca89c7..0000000000000000000000000000000000000000
--- a/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/polyMesh/boundary
+++ /dev/null
@@ -1,34 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  2.3.0                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       polyBoundaryMesh;
-    location    "constant/polyMesh";
-    object      boundary;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-2
-(
-    atmosphere
-    {
-        type            patch;
-        nFaces          1024;
-        startFace       93568;
-    }
-    walls
-    {
-        type            wall;
-        nFaces          5376;
-        startFace       94592;
-    }
-)
-
-// ************************************************************************* //