diff --git a/extensions/openpower-pels/manager.hpp b/extensions/openpower-pels/manager.hpp
index 787bb02..58f378a 100644
--- a/extensions/openpower-pels/manager.hpp
+++ b/extensions/openpower-pels/manager.hpp
@@ -34,10 +34,10 @@
 {
   public:
     Manager() = delete;
-    Manager(const Manager&) = default;
-    Manager& operator=(const Manager&) = default;
-    Manager(Manager&&) = default;
-    Manager& operator=(Manager&&) = default;
+    Manager(const Manager&) = delete;
+    Manager& operator=(const Manager&) = delete;
+    Manager(Manager&&) = delete;
+    Manager& operator=(Manager&&) = delete;
 
     /**
      * @brief constructor