diff --git a/ProcessLib/HeatTransportBHE/HeatTransportBHEProcess.cpp b/ProcessLib/HeatTransportBHE/HeatTransportBHEProcess.cpp
index 64eadb6851f1401433da35026f30fa7d4e31f464..4276e9fcb2ae535c4953a6e67189d691b801544e 100644
--- a/ProcessLib/HeatTransportBHE/HeatTransportBHEProcess.cpp
+++ b/ProcessLib/HeatTransportBHE/HeatTransportBHEProcess.cpp
@@ -107,12 +107,12 @@ void HeatTransportBHEProcess::constructDofTable()
         _mesh_subset_BHE_nodes.push_back(
             std::make_unique<MeshLib::MeshSubset const>(_mesh, bhe_nodes));
 
-        std::generate_n(
-            std::back_inserter(all_mesh_subsets),
-            // Here the number of components equals to the
-            // number of unknowns on the BHE
-            number_of_unknowns,
-            [&ms = _mesh_subset_BHE_nodes.back()]() { return *ms; });
+        std::generate_n(std::back_inserter(all_mesh_subsets),
+                        // Here the number of components equals to the
+                        // number of unknowns on the BHE
+                        number_of_unknowns,
+                        [&ms = _mesh_subset_BHE_nodes.back()]()
+                        { return *ms; });
 
         vec_n_components.push_back(number_of_unknowns);
         vec_var_elements.push_back(&bhe_elements);
@@ -284,9 +284,8 @@ void HeatTransportBHEProcess::createBHEBoundaryConditionTopBottom(
             // Count number of 1d elements connected with every BHE node.
             const std::size_t n_line_elements = std::count_if(
                 bhe_node->getElements().begin(), bhe_node->getElements().end(),
-                [](MeshLib::Element const* elem) {
-                    return (elem->getDimension() == 1);
-                });
+                [](MeshLib::Element const* elem)
+                { return (elem->getDimension() == 1); });
 
             if (n_line_elements == 1)
             {
@@ -331,8 +330,9 @@ void HeatTransportBHEProcess::createBHEBoundaryConditionTopBottom(
             }
         }
 
-        auto get_global_index = [&](std::size_t const node_id,
-                                    int const component) {
+        auto get_global_index =
+            [&](std::size_t const node_id, int const component)
+        {
             return _local_to_global_index_map->getGlobalIndex(
                 {_mesh.getID(), MeshLib::MeshItemType::Node, node_id},
                 variable_id, component);
@@ -341,17 +341,19 @@ void HeatTransportBHEProcess::createBHEBoundaryConditionTopBottom(
         auto get_global_bhe_bc_indices =
             [&](std::array<
                 std::pair<std::size_t /*node_id*/, int /*component*/>, 2>
-                    nodes_and_components) {
-                return std::make_pair(
-                    get_global_index(nodes_and_components[0].first,
-                                     nodes_and_components[0].second),
-                    get_global_index(nodes_and_components[1].first,
-                                     nodes_and_components[1].second));
-            };
-
-        auto createBCs = [&, bc_top_node_id = bhe_boundary_nodes[0]->getID(),
-                          bc_bottom_node_id =
-                              bhe_boundary_nodes[1]->getID()](auto& bhe) {
+                    nodes_and_components)
+        {
+            return std::make_pair(
+                get_global_index(nodes_and_components[0].first,
+                                 nodes_and_components[0].second),
+                get_global_index(nodes_and_components[1].first,
+                                 nodes_and_components[1].second));
+        };
+
+        auto createBCs =
+            [&, bc_top_node_id = bhe_boundary_nodes[0]->getID(),
+             bc_bottom_node_id = bhe_boundary_nodes[1]->getID()](auto& bhe)
+        {
             for (auto const& in_out_component_id :
                  bhe.inflow_outflow_bc_component_ids)
             {
diff --git a/ProcessLib/ProcessVariable.cpp b/ProcessLib/ProcessVariable.cpp
index c1b5b0ef1b3140a0ea6e51cf90f4c062b36bf92b..e9f4216da1cf318c677622bd00a4b0c2158e6711 100644
--- a/ProcessLib/ProcessVariable.cpp
+++ b/ProcessLib/ProcessVariable.cpp
@@ -76,7 +76,8 @@ MeshLib::Mesh const& findMeshInConfig(
     //
     auto const& mesh = *BaseLib::findElementOrError(
         begin(meshes), end(meshes),
-        [&mesh_name](auto const& mesh) {
+        [&mesh_name](auto const& mesh)
+        {
             assert(mesh != nullptr);
             return mesh->getName() == mesh_name;
         },
@@ -299,7 +300,8 @@ void ProcessVariable::updateDeactivatedSubdomains(double const time)
     auto const* const material_ids = MeshLib::materialIDs(_mesh);
 
     auto is_active_in_subdomain = [&](std::size_t const i,
-                                      DeactivatedSubdomain const& ds) -> bool {
+                                      DeactivatedSubdomain const& ds) -> bool
+    {
         if (!ds.isInTimeSupportInterval(time))
         {
             return true;
@@ -339,7 +341,9 @@ std::vector<std::unique_ptr<SourceTerm>> ProcessVariable::createSourceTerms(
     std::vector<std::unique_ptr<SourceTerm>> source_terms;
 
     transform(cbegin(_source_term_configs), cend(_source_term_configs),
-              back_inserter(source_terms), [&](auto const& config) {
+              back_inserter(source_terms),
+              [&](auto const& config)
+              {
                   return createSourceTerm(config, dof_table, config.mesh,
                                           variable_id, integration_order,
                                           _shapefunction_order, parameters);
diff --git a/ProcessLib/ProcessVariable.h b/ProcessLib/ProcessVariable.h
index ffc0eda028951853f766790fbc7dc7c80c9c077d..3eabd2cf6fcb9f449b4bb8d522af28ea500b21a8 100644
--- a/ProcessLib/ProcessVariable.h
+++ b/ProcessLib/ProcessVariable.h
@@ -25,7 +25,7 @@ namespace MeshLib
 class Mesh;
 template <typename T>
 class PropertyVector;
-}
+}  // namespace MeshLib
 namespace NumLib
 {
 class LocalToGlobalIndexMap;
@@ -95,6 +95,7 @@ public:
     }
 
     unsigned getShapeFunctionOrder() const { return _shapefunction_order; }
+
 private:
     std::string const _name;
     MeshLib::Mesh& _mesh;
diff --git a/ProcessLib/Utils/LocalDataInitializer.h b/ProcessLib/Utils/LocalDataInitializer.h
index df1733e6dd2359191a0cc68b79502b2ff15f5d25..e5f18b1537c69c72ee354a8c2da829e31c9644e1 100644
--- a/ProcessLib/Utils/LocalDataInitializer.h
+++ b/ProcessLib/Utils/LocalDataInitializer.h
@@ -136,8 +136,7 @@ public:
 
         if (shapefunction_order == 1)
         {
-// /// Lines and points ///////////////////////////////////
-
+            // /// Lines and points ///////////////////////////////////
 
 #if (OGS_ENABLED_ELEMENTS & ENABLED_ELEMENT_TYPE_LINE) != 0 && \
     OGS_MAX_ELEMENT_DIM >= 1 && OGS_MAX_ELEMENT_ORDER >= 1
@@ -151,7 +150,7 @@ public:
                 makeLocalAssemblerBuilder<NumLib::ShapeLine2>();
 #endif
 
-// /// Quads and Hexahedra ///////////////////////////////////
+            // /// Quads and Hexahedra ///////////////////////////////////
 
 #if (OGS_ENABLED_ELEMENTS & ENABLED_ELEMENT_TYPE_QUAD) != 0 && \
     OGS_MAX_ELEMENT_DIM >= 2 && OGS_MAX_ELEMENT_ORDER >= 1
@@ -235,14 +234,13 @@ public:
         }
         else if (shapefunction_order == 2)
         {
-
 #if (OGS_ENABLED_ELEMENTS & ENABLED_ELEMENT_TYPE_LINE) != 0 && \
     OGS_MAX_ELEMENT_DIM >= 1 && OGS_MAX_ELEMENT_ORDER >= 2
             _builder[std::type_index(typeid(MeshLib::Line3))] =
                 makeLocalAssemblerBuilder<NumLib::ShapeLine3>();
 #endif
 
-// /// Quads and Hexahedra ///////////////////////////////////
+            // /// Quads and Hexahedra ///////////////////////////////////
 
 #if (OGS_ENABLED_ELEMENTS & ENABLED_ELEMENT_TYPE_QUAD) != 0 && \
     OGS_MAX_ELEMENT_DIM >= 2 && OGS_MAX_ELEMENT_ORDER >= 2
@@ -359,7 +357,8 @@ private:
     {
         return [](MeshLib::Element const& e,
                   std::size_t const local_matrix_size,
-                  ConstructorArgs&&... args) {
+                  ConstructorArgs&&... args)
+        {
             return LADataIntfPtr{new LAData<ShapeFunction>{
                 e, local_matrix_size, std::forward<ConstructorArgs>(args)...}};
         };