diff --git a/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.cpp b/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.cpp
index b958f2faf3e25f288980ce68e194f70642d76f19..176d94b97ee78569fb588a53684a05aad39c0448 100644
--- a/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.cpp
+++ b/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.cpp
@@ -309,20 +309,6 @@ void NodeWiseMeshPartitioner::renumberNodeIndices(
     }
 }
 
-NodeWiseMeshPartitioner::IntegerType
-NodeWiseMeshPartitioner::getNumberOfIntegerVariablesOfElements(
-    const std::vector<const MeshLib::Element*>& elements) const
-{
-    // Element ID, element type, and number of the nodes of
-    // an element of all elements in the current partition.
-    IntegerType nmb_element_idxs = 3 * elements.size();
-    for (const auto* elem : elements)
-    {
-        nmb_element_idxs += elem->getNumberOfNodes();
-    }
-    return nmb_element_idxs;
-}
-
 void NodeWiseMeshPartitioner::writeNodePropertiesBinary(
     const std::string& file_name_base) const
 {
@@ -442,6 +428,21 @@ void NodeWiseMeshPartitioner::writeCellPropertiesBinary(
     out.close();
 }
 
+
+/// Calculate the total number of integer variables of an element vector. Each
+/// element has three integer variables for element ID, element type, number of
+/// nodes of the element. Therefore the total number of the integers in an
+/// element vector is 3 * vector size + sum (number of nodes of each element)
+NodeWiseMeshPartitioner::IntegerType getNumberOfIntegerVariablesOfElements(
+    std::vector<const MeshLib::Element*> const& elements)
+{
+    return 3 * elements.size() +
+           std::accumulate(begin(elements), end(elements), 0,
+                           [](auto const nnodes, auto const* e) {
+                               return nnodes + e->getNumberOfNodes();
+                           });
+}
+
 std::tuple<std::vector<NodeWiseMeshPartitioner::IntegerType>,
            std::vector<NodeWiseMeshPartitioner::IntegerType>>
 NodeWiseMeshPartitioner::writeConfigDataBinary(
diff --git a/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.h b/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.h
index 648ce9479e759e7b8a15bc9bd0c176b5830a40cb..671d043dfd98009424f9afbbd45d0d23900d1382 100644
--- a/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.h
+++ b/Applications/Utils/ModelPreparation/PartitionMesh/NodeWiseMeshPartitioner.h
@@ -112,16 +112,6 @@ private:
     /// interpolation
     void renumberNodeIndices(const bool is_mixed_high_order_linear_elems);
 
-    /*!
-       Calculate the total number of integer variables of an element
-       vector. Each element has three integer variables for element ID,
-       element type, number of nodes of the element. Therefore
-       the total number of the integers in an element vector is
-        3 * vector size + sum (number of nodes of each element)
-    */
-    IntegerType getNumberOfIntegerVariablesOfElements(
-        const std::vector<const MeshLib::Element*>& elements) const;
-
     /*!
          \brief Get integer variables, which are used to define an element
          \param elem            Element