diff --git a/applications/utilities/mesh/conversion/foamMeshToFluent/fluentFvMesh.C b/applications/utilities/mesh/conversion/foamMeshToFluent/fluentFvMesh.C
index 32218f79a6..4306612bc5 100644
--- a/applications/utilities/mesh/conversion/foamMeshToFluent/fluentFvMesh.C
+++ b/applications/utilities/mesh/conversion/foamMeshToFluent/fluentFvMesh.C
@@ -158,7 +158,7 @@ void Foam::fluentFvMesh::writeFluentMesh() const
     // Writing boundary faces
     forAll(boundary(), patchI)
     {
-        const unallocFaceList& patchFaces = boundaryMesh()[patchI];
+        const faceUList& patchFaces = boundaryMesh()[patchI];
 
         const labelList& patchFaceCells =
             boundaryMesh()[patchI].faceCells();
diff --git a/applications/utilities/postProcessing/velocityField/streamFunction/streamFunction.C b/applications/utilities/postProcessing/velocityField/streamFunction/streamFunction.C
index 6b1d4a52fe..c3c25221f5 100644
--- a/applications/utilities/postProcessing/velocityField/streamFunction/streamFunction.C
+++ b/applications/utilities/postProcessing/velocityField/streamFunction/streamFunction.C
@@ -107,7 +107,7 @@ int main(int argc, char *argv[])
             label nVisited = 0;
             label nVisitedOld = 0;
 
-            const unallocFaceList& faces = mesh.faces();
+            const faceUList& faces = mesh.faces();
             const pointField& points = mesh.points();
 
             label nInternalFaces = mesh.nInternalFaces();
diff --git a/src/OpenFOAM/meshes/meshShapes/cell/cell.C b/src/OpenFOAM/meshes/meshShapes/cell/cell.C
index fbfd7348ad..e633ff73a4 100644
--- a/src/OpenFOAM/meshes/meshShapes/cell/cell.C
+++ b/src/OpenFOAM/meshes/meshShapes/cell/cell.C
@@ -32,7 +32,7 @@ const char* const Foam::cell::typeName = "cell";
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-Foam::labelList Foam::cell::labels(const unallocFaceList& f) const
+Foam::labelList Foam::cell::labels(const faceUList& f) const
 {
     // return the unordered list of vertex labels supporting the cell
 
@@ -100,7 +100,7 @@ Foam::labelList Foam::cell::labels(const unallocFaceList& f) const
 
 Foam::pointField Foam::cell::points
 (
-    const unallocFaceList& f,
+    const faceUList& f,
     const pointField& meshPoints
 ) const
 {
@@ -117,7 +117,7 @@ Foam::pointField Foam::cell::points
 }
 
 
-Foam::edgeList Foam::cell::edges(const unallocFaceList& f) const
+Foam::edgeList Foam::cell::edges(const faceUList& f) const
 {
     // return the lisf of cell edges
 
@@ -172,7 +172,7 @@ Foam::edgeList Foam::cell::edges(const unallocFaceList& f) const
 Foam::point Foam::cell::centre
 (
     const pointField& p,
-    const unallocFaceList& f
+    const faceUList& f
 ) const
 {
     // When one wants to access the cell centre and magnitude, the
@@ -238,7 +238,7 @@ Foam::point Foam::cell::centre
 Foam::scalar Foam::cell::mag
 (
     const pointField& p,
-    const unallocFaceList& f
+    const faceUList& f
 ) const
 {
     // When one wants to access the cell centre and magnitude, the
diff --git a/src/OpenFOAM/meshes/meshShapes/cell/cell.H b/src/OpenFOAM/meshes/meshShapes/cell/cell.H
index 099456d804..808701bc32 100644
--- a/src/OpenFOAM/meshes/meshShapes/cell/cell.H
+++ b/src/OpenFOAM/meshes/meshShapes/cell/cell.H
@@ -90,26 +90,26 @@ public:
         inline label nFaces() const;
 
         //- Return labels of cell vertices
-        labelList labels(const unallocFaceList&) const;
+        labelList labels(const faceUList&) const;
 
         //- Return the cell vertices
-        pointField points(const unallocFaceList&, const pointField&) const;
+        pointField points(const faceUList&, const pointField&) const;
 
         //- Return cell edges
-        edgeList edges(const unallocFaceList&) const;
+        edgeList edges(const faceUList&) const;
 
         //- Return index of opposite face
         label opposingFaceLabel
         (
             const label masterFaceLabel,
-            const unallocFaceList& meshFaces
+            const faceUList& meshFaces
         ) const;
 
         //- Return opposite face oriented the same way as the master face
         oppositeFace opposingFace
         (
             const label masterFaceLabel,
-            const unallocFaceList& meshFaces
+            const faceUList& meshFaces
         ) const;
 
 
@@ -122,10 +122,10 @@ public:
         // future.
 
         //- Returns cell centre
-        point centre(const pointField&, const unallocFaceList&) const;
+        point centre(const pointField&, const faceUList&) const;
 
         //- Returns cell volume
-        scalar mag(const pointField&, const unallocFaceList&) const;
+        scalar mag(const pointField&, const faceUList&) const;
 
 
     // Friend Operators
diff --git a/src/OpenFOAM/meshes/meshShapes/cell/oppositeCellFace.C b/src/OpenFOAM/meshes/meshShapes/cell/oppositeCellFace.C
index 3710aba551..118aa621f2 100644
--- a/src/OpenFOAM/meshes/meshShapes/cell/oppositeCellFace.C
+++ b/src/OpenFOAM/meshes/meshShapes/cell/oppositeCellFace.C
@@ -39,7 +39,7 @@ Description
 Foam::label Foam::cell::opposingFaceLabel
 (
     const label masterFaceLabel,
-    const unallocFaceList& meshFaces
+    const faceUList& meshFaces
 ) const
 {
     // Algorithm:
@@ -114,7 +114,7 @@ Foam::label Foam::cell::opposingFaceLabel
 Foam::oppositeFace Foam::cell::opposingFace
 (
     const label masterFaceLabel,
-    const unallocFaceList& meshFaces
+    const faceUList& meshFaces
 ) const
 {
     // Get the label of the opposite face
diff --git a/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H b/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
index dea9985085..66726744a1 100644
--- a/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
+++ b/src/OpenFOAM/meshes/meshShapes/face/faceListFwd.H
@@ -39,10 +39,12 @@ Description
 namespace Foam
 {
     class face;
-    typedef UList<face> unallocFaceList;
+    typedef UList<face> faceUList;
     typedef List<face> faceList;
     typedef SubList<face> faceSubList;
     typedef List<faceList> faceListList;
+    // same as faceUList:
+    typedef UList<face> unallocFaceList;
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/finiteVolume/fvMesh/fvMeshLduAddressing.H b/src/finiteVolume/fvMesh/fvMeshLduAddressing.H
index 20954aeb36..836672c90b 100644
--- a/src/finiteVolume/fvMesh/fvMeshLduAddressing.H
+++ b/src/finiteVolume/fvMesh/fvMeshLduAddressing.H
@@ -60,7 +60,7 @@ class fvMeshLduAddressing
         const labelList& upperAddr_;
 
         //- Patch addressing as a list of sublists
-        List<const unallocLabelList*> patchAddr_;
+        List<const labelUList*> patchAddr_;
 
         //- Patch field evaluation schedule
         const lduSchedule& patchSchedule_;
diff --git a/src/parallel/reconstruct/reconstruct/fvFieldReconstructor.H b/src/parallel/reconstruct/reconstruct/fvFieldReconstructor.H
index c2df14ba47..3f18a15a22 100644
--- a/src/parallel/reconstruct/reconstruct/fvFieldReconstructor.H
+++ b/src/parallel/reconstruct/reconstruct/fvFieldReconstructor.H
@@ -117,7 +117,7 @@ public:
 
                 const labelUList& directAddressing() const
                 {
-                    return unallocLabelList::null();
+                    return labelUList::null();
                 }
         };
 
diff --git a/src/parallel/reconstruct/reconstruct/pointFieldReconstructor.H b/src/parallel/reconstruct/reconstruct/pointFieldReconstructor.H
index dbb6728c9c..6271fc5e40 100644
--- a/src/parallel/reconstruct/reconstruct/pointFieldReconstructor.H
+++ b/src/parallel/reconstruct/reconstruct/pointFieldReconstructor.H
@@ -114,7 +114,7 @@ public:
 
                 const labelUList& directAddressing() const
                 {
-                    return unallocLabelList::null();
+                    return labelUList::null();
                 }
         };
 
diff --git a/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/solidMixtureThermo/solidMixtureThermo.C b/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/solidMixtureThermo/solidMixtureThermo.C
index 569525e20d..36f590e838 100644
--- a/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/solidMixtureThermo/solidMixtureThermo.C
+++ b/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/solidMixtureThermo/solidMixtureThermo.C
@@ -226,7 +226,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::rho
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tRho(new scalarField(patchT.size()));
     scalarField& Rho = tRho();
@@ -248,7 +248,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::Cp
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tCp(new scalarField(patchT.size()));
     scalarField& Cp = tCp();
@@ -270,7 +270,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::hs
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> ths(new scalarField(patchT.size()));
     scalarField& hs = ths();
@@ -292,7 +292,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::K
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tK(new scalarField(patchT.size()));
     scalarField& K = tK();
@@ -314,7 +314,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::Hf
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tHf(new scalarField(patchT.size()));
     scalarField& Hf = tHf();
@@ -336,7 +336,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::sigmaS
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tsigmaS(new scalarField(patchT.size()));
     scalarField& sigmaS = tsigmaS();
@@ -359,7 +359,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::kappa
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
    const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> tKappa(new scalarField(patchT.size()));
     scalarField& kappa = tKappa();
@@ -382,7 +382,7 @@ Foam::tmp<Foam::scalarField> Foam::solidMixtureThermo<MixtureType>::emissivity
 {
     const scalarField& patchT = T_.boundaryField()[patchI];
     const polyPatch& pp = mesh_.boundaryMesh()[patchI];
-    const unallocLabelList& cells = pp.faceCells();
+    const labelUList& cells = pp.faceCells();
 
     tmp<scalarField> te(new scalarField(patchT.size()));
     scalarField& e = te();