diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 98e4fb87b..992c8d2f8 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -1009,6 +1009,10 @@ public:
         pwallet = pwalletIn;
     }
 
+    CReserveKey() = default;
+    CReserveKey(const CReserveKey&) = delete;
+    CReserveKey& operator=(const CReserveKey&) = delete;
+
     ~CReserveKey()
     {
         ReturnKey();