1 files changed, 4 insertions, 3 deletions
diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index 3097a4f78f..ad1239ccdc 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -32,16 +32,17 @@ class SendCoinsRecipient;
 class TransactionTableModel;
 class WalletModelTransaction;
 
-class CCoinControl;
 class CKeyID;
 class COutPoint;
-class COutput;
 class CPubKey;
 class uint256;
 
 namespace interfaces {
 class Node;
 } // namespace interfaces
+namespace wallet {
+class CCoinControl;
+} // namespace wallet
 
 QT_BEGIN_NAMESPACE
 class QTimer;
@@ -99,7 +100,7 @@ public:
     };
 
     // prepare transaction for getting txfee before sending coins
-    SendCoinsReturn prepareTransaction(WalletModelTransaction &transaction, const CCoinControl& coinControl);
+    SendCoinsReturn prepareTransaction(WalletModelTransaction &transaction, const wallet::CCoinControl& coinControl);
 
     // Send coins to a list of recipients
     SendCoinsReturn sendCoins(WalletModelTransaction &transaction);