diff --git a/src/lib/pubkey/hybrid_kem/hybrid_kem.h b/src/lib/pubkey/hybrid_kem/hybrid_kem.h
index b7b3c81c93d..e0d5eadf1dd 100644
--- a/src/lib/pubkey/hybrid_kem/hybrid_kem.h
+++ b/src/lib/pubkey/hybrid_kem/hybrid_kem.h
@@ -90,6 +90,14 @@ BOTAN_DIAGNOSTIC_IGNORE_INHERITED_VIA_DOMINANCE
  */
 class BOTAN_TEST_API Hybrid_PrivateKey : virtual public Private_Key {
    public:
+      Hybrid_PrivateKey(const Hybrid_PrivateKey&) = delete;
+      Hybrid_PrivateKey& operator=(const Hybrid_PrivateKey&) = delete;
+
+      Hybrid_PrivateKey(Hybrid_PrivateKey&&) = default;
+      Hybrid_PrivateKey& operator=(Hybrid_PrivateKey&&) = default;
+
+      ~Hybrid_PrivateKey() override = default;
+
       /**
        * @brief Constructor for a list of multiple KEM private keys.
        *