diff --git a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
index f3782b6aaa..e063318239 100644
--- a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
+++ b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
@@ -1981,7 +1981,7 @@ Foam::pointField Foam::globalMeshData::geometricSharedPoints() const
     pointField sharedPoints(mesh_.points(), sharedPointLabels());
 
     // Append from all processors
-    combineReduce(sharedPoints, ListPlusEqOp<pointField>());
+    combineReduce(sharedPoints, ListOps::appendEqOp<point>());
 
     // Merge tolerance
     scalar tolDim = matchTol_ * mesh_.bounds().mag();
diff --git a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.H b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.H
index e507211cfd..2b90e7504e 100644
--- a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.H
+++ b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -92,7 +93,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declarations
+// Forward Declarations
 class polyMesh;
 class mapDistribute;
 template<class T> class EdgeMap;
@@ -108,8 +109,7 @@ class globalMeshData
 :
     public processorTopology
 {
-
-    // Private data
+    // Private Data
 
         //- Reference to mesh
         const polyMesh& mesh_;
@@ -252,7 +252,7 @@ class globalMeshData
         //- Calculate shared edge addressing
         void calcSharedEdges() const;
 
-       //- Calculate global point addressing.
+        //- Calculate global point addressing.
         void calcGlobalPointSlaves() const;
 
         // Global edge addressing
@@ -314,29 +314,6 @@ class globalMeshData
 
 public:
 
-    // Public class
-
-        // To combineReduce a List. Just appends all lists.
-        template<class T>
-        class ListPlusEqOp
-        {
-
-        public:
-
-            void operator()(T& x, const T& y) const
-            {
-                label n = x.size();
-
-                x.setSize(x.size() + y.size());
-
-                forAll(y, i)
-                {
-                    x[n++] = y[i];
-                }
-            }
-        };
-
-
     //- Runtime type information
     ClassName("globalMeshData");
 
@@ -615,6 +592,34 @@ public:
             //  full parallel analysis to determine shared points and
             //  boundaries.
             void updateMesh();
+
+
+    // Housekeeping
+
+        //- Deprecated(2020-09) use ListOps::appendEqOp
+        //  Uses a different template parameter
+        //  \code
+        //      globalMeshData::ListPlusEqOp<labelList>()
+        //      ListOps::appendEqOp<label>()
+        //  \endcode
+        //
+        //  \deprecated(2020-09) - use ListOps::appendEqOp
+        template<class T>
+        struct ListPlusEqOp
+        {
+            FOAM_DEPRECATED_FOR(2020-09, "ListOps::appendEqOp")
+            void operator()(T& x, const T& y) const
+            {
+                label n = x.size();
+
+                x.setSize(x.size() + y.size());
+
+                forAll(y, i)
+                {
+                    x[n++] = y[i];
+                }
+            }
+        };
 };