diff --git a/tutorials/basic/PODSolver/1DPODdiffusion/constant/polyMesh/boundary b/tutorials/basic/PODSolver/1DPODdiffusion/constant/polyMesh/boundary
index c709b5973..b3515939c 100644
--- a/tutorials/basic/PODSolver/1DPODdiffusion/constant/polyMesh/boundary
+++ b/tutorials/basic/PODSolver/1DPODdiffusion/constant/polyMesh/boundary
@@ -1,9 +1,9 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | foam-extend: Open Source CFD                    |
-|  \\    /   O peration     | Version:     3.2                                |
+|  \\    /   O peration     | Version:     4.0                                |
 |   \\  /    A nd           | Web:         http://www.foam-extend.org         |
-|    \\/     M anipulation  |                                                 |
+|    \\/     M anipulation  | For copyright notice see file Copyright         |
 \*---------------------------------------------------------------------------*/
 FoamFile
 {
@@ -32,7 +32,6 @@ FoamFile
     frontAndBack
     {
         type            empty;
-        physicalType    empty;
         nFaces          200;
         startFace       51;
     }
diff --git a/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSchemes b/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSchemes
index 0d8af6ba4..1ee97262f 100644
--- a/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSchemes
+++ b/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSchemes
@@ -47,10 +47,4 @@ snGradSchemes
     default         corrected;
 }
 
-fluxRequired
-{
-    default         no;
-    T;
-}
-
 // ************************************************************************* //
diff --git a/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSolution b/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSolution
index 77168fe4f..913200f86 100644
--- a/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSolution
+++ b/tutorials/basic/PODSolver/1DPODdiffusion/system/fvSolution
@@ -14,9 +14,12 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-solvers
+T
 {
-    T           BICCG 1e-06 0;
+    solver          PBiCG;
+    preconditioner  DILU;
+    tolerance       1e-06;
+    relTol          0;
 }
 
 SIMPLE
diff --git a/tutorials/basic/PODSolver/1DPODsin/constant/polyMesh/boundary b/tutorials/basic/PODSolver/1DPODsin/constant/polyMesh/boundary
index 8f5836eb6..b3515939c 100644
--- a/tutorials/basic/PODSolver/1DPODsin/constant/polyMesh/boundary
+++ b/tutorials/basic/PODSolver/1DPODsin/constant/polyMesh/boundary
@@ -1,42 +1,40 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | foam-extend: Open Source CFD                    |
-|  \\    /   O peration     | Version:     3.2                                |
+|  \\    /   O peration     | Version:     4.0                                |
 |   \\  /    A nd           | Web:         http://www.foam-extend.org         |
-|    \\/     M anipulation  |                                                 |
+|    \\/     M anipulation  | For copyright notice see file Copyright         |
 \*---------------------------------------------------------------------------*/
 FoamFile
 {
     version     2.0;
     format      ascii;
     class       polyBoundaryMesh;
+    location    "constant/polyMesh";
     object      boundary;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 3
 (
-left
-{
-    type patch;
-    nFaces 1;
-    startFace 49;
-}
-
-right
-{
-    type patch;
-    nFaces 1;
-    startFace 50;
-}
-
-frontAndBack
-{
-    type empty;
-    physicalType empty;
-    nFaces 200;
-    startFace 51;
-}
+    left
+    {
+        type            patch;
+        nFaces          1;
+        startFace       49;
+    }
+    right
+    {
+        type            patch;
+        nFaces          1;
+        startFace       50;
+    }
+    frontAndBack
+    {
+        type            empty;
+        nFaces          200;
+        startFace       51;
+    }
 )
 
 // ************************************************************************* //
diff --git a/tutorials/basic/PODSolver/1DPODsin/system/fvSchemes b/tutorials/basic/PODSolver/1DPODsin/system/fvSchemes
index 81704eac9..773e9c474 100644
--- a/tutorials/basic/PODSolver/1DPODsin/system/fvSchemes
+++ b/tutorials/basic/PODSolver/1DPODsin/system/fvSchemes
@@ -46,10 +46,4 @@ snGradSchemes
     default         corrected;
 }
 
-fluxRequired
-{
-    default         no;
-    T;
-}
-
 // ************************************************************************* //
diff --git a/tutorials/basic/PODSolver/1DPODsin/system/fvSolution b/tutorials/basic/PODSolver/1DPODsin/system/fvSolution
index 77168fe4f..913200f86 100644
--- a/tutorials/basic/PODSolver/1DPODsin/system/fvSolution
+++ b/tutorials/basic/PODSolver/1DPODsin/system/fvSolution
@@ -14,9 +14,12 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-solvers
+T
 {
-    T           BICCG 1e-06 0;
+    solver          PBiCG;
+    preconditioner  DILU;
+    tolerance       1e-06;
+    relTol          0;
 }
 
 SIMPLE
diff --git a/tutorials/basic/potentialFoam/cylinder/system/fvSchemes b/tutorials/basic/potentialFoam/cylinder/system/fvSchemes
index 5bc63f611..7ad1a2442 100644
--- a/tutorials/basic/potentialFoam/cylinder/system/fvSchemes
+++ b/tutorials/basic/potentialFoam/cylinder/system/fvSchemes
@@ -46,10 +46,4 @@ snGradSchemes
     default         corrected;
 }
 
-fluxRequired
-{
-    default         no;
-    p               ;
-}
-
 // ************************************************************************* //
diff --git a/tutorials/basic/potentialFoam/pitzDaily/constant/polyMesh/boundary b/tutorials/basic/potentialFoam/pitzDaily/constant/polyMesh/boundary
index 061b795fa..3a93a6794 100644
--- a/tutorials/basic/potentialFoam/pitzDaily/constant/polyMesh/boundary
+++ b/tutorials/basic/potentialFoam/pitzDaily/constant/polyMesh/boundary
@@ -1,9 +1,9 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | foam-extend: Open Source CFD                    |
-|  \\    /   O peration     | Version:     3.2                                |
+|  \\    /   O peration     | Version:     4.0                                |
 |   \\  /    A nd           | Web:         http://www.foam-extend.org         |
-|    \\/     M anipulation  |                                                 |
+|    \\/     M anipulation  | For copyright notice see file Copyright         |
 \*---------------------------------------------------------------------------*/
 FoamFile
 {
diff --git a/tutorials/basic/potentialFoam/pitzDaily/system/fvSchemes b/tutorials/basic/potentialFoam/pitzDaily/system/fvSchemes
index 5bc63f611..7ad1a2442 100644
--- a/tutorials/basic/potentialFoam/pitzDaily/system/fvSchemes
+++ b/tutorials/basic/potentialFoam/pitzDaily/system/fvSchemes
@@ -46,10 +46,4 @@ snGradSchemes
     default         corrected;
 }
 
-fluxRequired
-{
-    default         no;
-    p               ;
-}
-
 // ************************************************************************* //