diff --git a/dump-extensions/openpower-dumps/dump_manager_resource.hpp b/dump-extensions/openpower-dumps/dump_manager_resource.hpp
index 4935ed0..22c5078 100644
--- a/dump-extensions/openpower-dumps/dump_manager_resource.hpp
+++ b/dump-extensions/openpower-dumps/dump_manager_resource.hpp
@@ -33,7 +33,7 @@
 {
   public:
     Manager() = delete;
-    Manager(const Manager&) = default;
+    Manager(const Manager&) = delete;
     Manager& operator=(const Manager&) = delete;
     Manager(Manager&&) = delete;
     Manager& operator=(Manager&&) = delete;
diff --git a/dump-extensions/openpower-dumps/dump_manager_system.hpp b/dump-extensions/openpower-dumps/dump_manager_system.hpp
index 5ea4deb..b5df352 100644
--- a/dump-extensions/openpower-dumps/dump_manager_system.hpp
+++ b/dump-extensions/openpower-dumps/dump_manager_system.hpp
@@ -31,7 +31,7 @@
 {
   public:
     Manager() = delete;
-    Manager(const Manager&) = default;
+    Manager(const Manager&) = delete;
     Manager& operator=(const Manager&) = delete;
     Manager(Manager&&) = delete;
     Manager& operator=(Manager&&) = delete;