diff --git a/experimental/cpp-serializer/src/amqp/consumer/CompositeReader.h b/experimental/cpp-serializer/src/amqp/consumer/CompositeReader.h
index d6280b8a63..444a07d871 100644
--- a/experimental/cpp-serializer/src/amqp/consumer/CompositeReader.h
+++ b/experimental/cpp-serializer/src/amqp/consumer/CompositeReader.h
@@ -30,7 +30,7 @@ namespace amqp {
                 std::vector<std::weak_ptr<amqp::Reader>> & readers_
             );
 
-            ~CompositeReader() = default;
+            ~CompositeReader() override = default;
 
             std::any read (pn_data_t *) const override;
 
diff --git a/experimental/cpp-serializer/src/amqp/consumer/PropertyReader.h b/experimental/cpp-serializer/src/amqp/consumer/PropertyReader.h
index c0fce32654..70f749dafd 100644
--- a/experimental/cpp-serializer/src/amqp/consumer/PropertyReader.h
+++ b/experimental/cpp-serializer/src/amqp/consumer/PropertyReader.h
@@ -22,6 +22,7 @@ namespace amqp {
             static std::shared_ptr<PropertyReader> make (const FieldPtr &);
             static std::shared_ptr<PropertyReader> make (const std::string &);
 
+            PropertyReader() = default;
             ~PropertyReader() override = default;
 
             std::string readString(pn_data_t *) const override = 0;
diff --git a/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.cxx b/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.cxx
index 4337c56381..94fe3a238d 100644
--- a/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.cxx
+++ b/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.cxx
@@ -6,6 +6,13 @@
 
 /******************************************************************************/
 
+amqp::
+RestrictedReader::RestrictedReader (std::string type_)
+    : m_type (std::move (type_))
+{ }
+
+/******************************************************************************/
+
 const std::string amqp::RestrictedReader::m_name { // NOLINT
     "Restricted Reader"
 };
diff --git a/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.h b/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.h
index 05c5ea810e..247eb279bb 100644
--- a/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.h
+++ b/experimental/cpp-serializer/src/amqp/consumer/RestrictedReader.h
@@ -23,11 +23,8 @@ namespace amqp {
             const std::string m_type;
 
         public :
-            RestrictedReader (const std::string & type_)
-                : m_type (type_)
-            { }
-
-            ~RestrictedReader() = default;
+            RestrictedReader (std::string);
+            ~RestrictedReader() override = default;
 
             std::any read(pn_data_t *) const override ;