diff --git a/src/activation.hpp b/src/activation.hpp
index b7f9cbc..dc708e9 100644
--- a/src/activation.hpp
+++ b/src/activation.hpp
@@ -40,6 +40,14 @@
 class ActivationBlocksTransition : public ActivationBlocksTransitionInherit
 {
   public:
+    ActivationBlocksTransition() = delete;
+    ActivationBlocksTransition(const ActivationBlocksTransition&) = delete;
+    ActivationBlocksTransition&
+        operator=(const ActivationBlocksTransition&) = delete;
+    ActivationBlocksTransition(ActivationBlocksTransition&&) = delete;
+    ActivationBlocksTransition&
+        operator=(ActivationBlocksTransition&&) = delete;
+
     /** @brief Constructs ActivationBlocksTransition.
      *
      * @param[in] bus    - The Dbus bus object
diff --git a/src/activation_listener.hpp b/src/activation_listener.hpp
index 5437232..e5de981 100644
--- a/src/activation_listener.hpp
+++ b/src/activation_listener.hpp
@@ -5,6 +5,12 @@
 class ActivationListener
 {
   public:
+    ActivationListener() = default;
+    ActivationListener(const ActivationListener&) = delete;
+    ActivationListener& operator=(const ActivationListener&) = delete;
+    ActivationListener(ActivationListener&&) = delete;
+    ActivationListener& operator=(ActivationListener&&) = delete;
+
     virtual ~ActivationListener() = default;
 
     /** @brief Notify a PSU is updated
diff --git a/src/association_interface.hpp b/src/association_interface.hpp
index 2969719..9d25b9b 100644
--- a/src/association_interface.hpp
+++ b/src/association_interface.hpp
@@ -5,6 +5,12 @@
 class AssociationInterface
 {
   public:
+    AssociationInterface() = default;
+    AssociationInterface(const AssociationInterface&) = delete;
+    AssociationInterface& operator=(const AssociationInterface&) = delete;
+    AssociationInterface(AssociationInterface&&) = delete;
+    AssociationInterface& operator=(AssociationInterface&&) = delete;
+
     virtual ~AssociationInterface() = default;
 
     /** @brief Create an active association to the
diff --git a/src/utils.hpp b/src/utils.hpp
index 2e73d87..be85494 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -108,6 +108,12 @@
 class UtilsInterface
 {
   public:
+    UtilsInterface() = default;
+    UtilsInterface(const UtilsInterface&) = delete;
+    UtilsInterface& operator=(const UtilsInterface&) = delete;
+    UtilsInterface(UtilsInterface&&) = delete;
+    UtilsInterface& operator=(UtilsInterface&&) = delete;
+
     // For now the code needs to get property for Present and Version
     using PropertyType = std::variant<std::string, bool>;