diff --git a/src/mesh/SubItemArrayPerItem.hpp b/src/mesh/SubItemArrayPerItem.hpp
index 8c8b1724cd1bc8ea019af7349aee17f9ac64c87b..f2103789e9a49c92b921fe2f8b24b3bdaf8f69ec 100644
--- a/src/mesh/SubItemArrayPerItem.hpp
+++ b/src/mesh/SubItemArrayPerItem.hpp
@@ -42,15 +42,13 @@ class SubItemArrayPerItem
   // Allow const std:weak_ptr version to access our data
   friend SubItemArrayPerItem<std::add_const_t<DataType>, ItemOfItem, ConnectivityWeakPtr>;
 
-  // Allow const std:shared_ptr version to access our data
+  // Allow non-const std:shared_ptr version to access our data
   friend SubItemArrayPerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivitySharedPtr>;
 
-  // Allow const std:weak_ptr version to access our data
+  // Allow non-const std:weak_ptr version to access our data
   friend SubItemArrayPerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivityWeakPtr>;
 
  public:
-  using ToShared = SubItemArrayPerItem<DataType, ItemOfItem, ConnectivitySharedPtr>;
-
   friend PUGS_INLINE SubItemArrayPerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivityPtr>
   copy(SubItemArrayPerItem<DataType, ItemOfItem, ConnectivityPtr>& source)
   {
diff --git a/src/mesh/SubItemValuePerItem.hpp b/src/mesh/SubItemValuePerItem.hpp
index b86b075ecbb44ff0f95a1a28b1f8f2468d98b2e3..defdc8fc9711c6be265e022e0bb0c710d078226d 100644
--- a/src/mesh/SubItemValuePerItem.hpp
+++ b/src/mesh/SubItemValuePerItem.hpp
@@ -41,15 +41,13 @@ class SubItemValuePerItem
   // Allow const std:weak_ptr version to access our data
   friend SubItemValuePerItem<std::add_const_t<DataType>, ItemOfItem, ConnectivityWeakPtr>;
 
-  // Allow const std:shared_ptr version to access our data
+  // Allow non-const std:shared_ptr version to access our data
   friend SubItemValuePerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivitySharedPtr>;
 
-  // Allow const std:weak_ptr version to access our data
+  // Allow non-const std:weak_ptr version to access our data
   friend SubItemValuePerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivityWeakPtr>;
 
  public:
-  using ToShared = SubItemValuePerItem<DataType, ItemOfItem, ConnectivitySharedPtr>;
-
   friend PUGS_INLINE SubItemValuePerItem<std::remove_const_t<DataType>, ItemOfItem, ConnectivityPtr>
   copy(SubItemValuePerItem<DataType, ItemOfItem, ConnectivityPtr>& source)
   {