diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 9451bf8861e..65ad3e0095b 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -1036,6 +1036,10 @@ public:
         pwallet = pwalletIn;
     }
 
+    CReserveKey() = default;
+    CReserveKey(const CReserveKey&) = delete;
+    CReserveKey& operator=(const CReserveKey&) = delete;
+
     ~CReserveKey()
     {
         ReturnKey();