diff --git a/src/OpenFOAM/containers/Lists/List/List.H b/src/OpenFOAM/containers/Lists/List/List.H
index 9c5c10c249..55a6f7ff88 100644
--- a/src/OpenFOAM/containers/Lists/List/List.H
+++ b/src/OpenFOAM/containers/Lists/List/List.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -81,8 +81,6 @@ template<class T> class IndirectList;
 template<class T> class UIndirectList;
 template<class T> class BiIndirectList;
 
-typedef UList<label> unallocLabelList;
-
 /*---------------------------------------------------------------------------*\
                             Class List Declaration
 \*---------------------------------------------------------------------------*/
diff --git a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixATmul.C b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixATmul.C
index a8c2e8e573..87a4ad51a4 100644
--- a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixATmul.C
+++ b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixATmul.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -202,7 +202,7 @@ void Foam::LduMatrix<Type, DType, LUType>::sumA
     {
         if (interfaces_.set(patchi))
         {
-            const unallocLabelList& pa = lduAddr().patchAddr(patchi);
+            const labelUList& pa = lduAddr().patchAddr(patchi);
             const Field<LUType>& pCoeffs = interfacesUpper_[patchi];
 
             forAll(pa, face)
diff --git a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixOperations.C b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixOperations.C
index d14ebba141..c53aef40ee 100644
--- a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixOperations.C
+++ b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixOperations.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -39,8 +39,8 @@ void Foam::LduMatrix<Type, DType, LUType>::sumDiag()
     const Field<LUType>& Upper = const_cast<const LduMatrix&>(*this).upper();
     Field<DType>& Diag = diag();
 
-    const unallocLabelList& l = lduAddr().lowerAddr();
-    const unallocLabelList& u = lduAddr().upperAddr();
+    const labelUList& l = lduAddr().lowerAddr();
+    const labelUList& u = lduAddr().upperAddr();
 
     for (label face=0; face<l.size(); face++)
     {
@@ -62,8 +62,8 @@ void Foam::LduMatrix<Type, DType, LUType>::negSumDiag()
     const Field<LUType>& Upper = const_cast<const LduMatrix&>(*this).upper();
     Field<DType>& Diag = diag();
 
-    const unallocLabelList& l = lduAddr().lowerAddr();
-    const unallocLabelList& u = lduAddr().upperAddr();
+    const labelUList& l = lduAddr().lowerAddr();
+    const labelUList& u = lduAddr().upperAddr();
 
     for (label face=0; face<l.size(); face++)
     {
@@ -87,8 +87,8 @@ void Foam::LduMatrix<Type, DType, LUType>::sumMagOffDiag
     const Field<LUType>& Lower = const_cast<const LduMatrix&>(*this).lower();
     const Field<LUType>& Upper = const_cast<const LduMatrix&>(*this).upper();
 
-    const unallocLabelList& l = lduAddr().lowerAddr();
-    const unallocLabelList& u = lduAddr().upperAddr();
+    const labelUList& l = lduAddr().lowerAddr();
+    const labelUList& u = lduAddr().upperAddr();
 
     for (label face = 0; face < l.size(); face++)
     {
@@ -151,8 +151,8 @@ Foam::LduMatrix<Type, DType, LUType>::faceH(const Field<Type>& psi) const
     const Field<LUType>& Upper = const_cast<const LduMatrix&>(*this).upper();
 
     // Take references to addressing
-    const unallocLabelList& l = lduAddr().lowerAddr();
-    const unallocLabelList& u = lduAddr().upperAddr();
+    const labelUList& l = lduAddr().lowerAddr();
+    const labelUList& u = lduAddr().upperAddr();
 
     tmp<Field<Type>> tfaceHpsi(new Field<Type> (Lower.size()));
     Field<Type> & faceHpsi = tfaceHpsi();
@@ -428,8 +428,8 @@ void Foam::LduMatrix<Type, DType, LUType>::operator*=
         Field<LUType>& upper = this->upper();
         Field<LUType>& lower = this->lower();
 
-        const unallocLabelList& l = lduAddr().lowerAddr();
-        const unallocLabelList& u = lduAddr().upperAddr();
+        const labelUList& l = lduAddr().lowerAddr();
+        const labelUList& u = lduAddr().upperAddr();
 
         for (label face=0; face<upper.size(); face++)
         {
diff --git a/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H b/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
index 4a57651d6c..832b996c12 100644
--- a/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
+++ b/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -43,8 +43,6 @@ namespace Foam
     typedef List<face> faceList;
     typedef SubList<face> faceSubList;
     typedef List<faceList> faceListList;
-    // same as faceUList:
-    typedef UList<face> unallocFaceList;
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/surfaceFilmModels/momentumSurfaceFilm/momentumSurfaceFilm.C b/src/surfaceFilmModels/momentumSurfaceFilm/momentumSurfaceFilm.C
index 21e1472478..77417946c5 100644
--- a/src/surfaceFilmModels/momentumSurfaceFilm/momentumSurfaceFilm.C
+++ b/src/surfaceFilmModels/momentumSurfaceFilm/momentumSurfaceFilm.C
@@ -1069,7 +1069,7 @@ Foam::momentumSurfaceFilm::Srho() const
         toPrimary(filmPatchi, patchMass);
 
         const label primaryPatchi = primaryPatchIDs()[i];
-        const unallocLabelList& cells =
+        const labelUList& cells =
             primaryMesh().boundaryMesh()[primaryPatchi].faceCells();
 
         forAll(patchMass, j)
@@ -1123,7 +1123,7 @@ Foam::momentumSurfaceFilm::SU() const
 
         toPrimary(filmPatchi, patchMomentum);
 
-        const unallocLabelList& cells =
+        const labelUList& cells =
             primaryMesh().boundaryMesh()[primaryPatchIDs()[i]].faceCells();
 
         forAll(patchMomentum, j)
diff --git a/src/surfaceFilmModels/submodels/momentum/ejectionModel/curvatureSeparation/curvatureSeparation.C b/src/surfaceFilmModels/submodels/momentum/ejectionModel/curvatureSeparation/curvatureSeparation.C
index 6d58bf8cbf..ef01b0ea08 100644
--- a/src/surfaceFilmModels/submodels/momentum/ejectionModel/curvatureSeparation/curvatureSeparation.C
+++ b/src/surfaceFilmModels/submodels/momentum/ejectionModel/curvatureSeparation/curvatureSeparation.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -101,8 +101,8 @@ tmp<scalarField> curvatureSeparation::calcCosAngle
 {
     const fvMesh& mesh = film().mesh();
     const vectorField nf(mesh.Sf()/mesh.magSf());
-    const unallocLabelList& own = mesh.owner();
-    const unallocLabelList& nbr = mesh.neighbour();
+    const labelUList& own = mesh.owner();
+    const labelUList& nbr = mesh.neighbour();
 
     scalarField phiMax(mesh.nCells(), -great);
     scalarField cosAngle(mesh.nCells(), 0);
diff --git a/src/surfaceFilmModels/thermoSurfaceFilm/thermoSurfaceFilm.C b/src/surfaceFilmModels/thermoSurfaceFilm/thermoSurfaceFilm.C
index 6fd060cad9..eb6b83e523 100644
--- a/src/surfaceFilmModels/thermoSurfaceFilm/thermoSurfaceFilm.C
+++ b/src/surfaceFilmModels/thermoSurfaceFilm/thermoSurfaceFilm.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -590,7 +590,7 @@ Foam::thermoSurfaceFilm::SYi(const label i) const
             toPrimary(filmPatchi, patchMass);
 
             const label primaryPatchi = primaryPatchIDs()[i];
-            const unallocLabelList& cells =
+            const labelUList& cells =
                 primaryMesh().boundaryMesh()[primaryPatchi].faceCells();
 
             forAll(patchMass, j)
@@ -630,7 +630,7 @@ Foam::thermoSurfaceFilm::Sh() const
 
         toPrimary(filmPatchi, patchEnergy);
 
-        const unallocLabelList& cells =
+        const labelUList& cells =
             primaryMesh().boundaryMesh()[primaryPatchIDs()[i]].faceCells();
 
         forAll(patchEnergy, j)