diff --git a/redfish-core/include/event_service_manager.hpp b/redfish-core/include/event_service_manager.hpp
index 642a302..7cb5cc7 100644
--- a/redfish-core/include/event_service_manager.hpp
+++ b/redfish-core/include/event_service_manager.hpp
@@ -588,6 +588,7 @@
     EventServiceManager& operator=(const EventServiceManager&) = delete;
     EventServiceManager(EventServiceManager&&) = delete;
     EventServiceManager& operator=(EventServiceManager&&) = delete;
+    ~EventServiceManager() = default;
 
     static EventServiceManager& getInstance()
     {
diff --git a/redfish-core/include/gzfile.hpp b/redfish-core/include/gzfile.hpp
index 118bdb4..2001756 100644
--- a/redfish-core/include/gzfile.hpp
+++ b/redfish-core/include/gzfile.hpp
@@ -207,4 +207,6 @@
     ~GzFileReader() = default;
     GzFileReader(const GzFileReader&) = delete;
     GzFileReader& operator=(const GzFileReader&) = delete;
+    GzFileReader(GzFileReader&&) = delete;
+    GzFileReader& operator=(GzFileReader&&) = delete;
 };
diff --git a/redfish-core/include/rf_async_resp.hpp b/redfish-core/include/rf_async_resp.hpp
index b6dacc7..5eb7a3f 100644
--- a/redfish-core/include/rf_async_resp.hpp
+++ b/redfish-core/include/rf_async_resp.hpp
@@ -17,6 +17,8 @@
 
     AsyncResp(const AsyncResp&) = delete;
     AsyncResp(AsyncResp&&) = delete;
+    AsyncResp& operator=(const AsyncResp&) = delete;
+    AsyncResp& operator=(AsyncResp&&) = delete;
 
     ~AsyncResp()
     {