1 files changed, 2 insertions, 5 deletions
diff --git a/src/qt/signverifymessagedialog.h b/src/qt/signverifymessagedialog.h
index 5569c8bf33..558f24e232 100644
--- a/src/qt/signverifymessagedialog.h
+++ b/src/qt/signverifymessagedialog.h
@@ -8,9 +8,6 @@ namespace Ui {
 }
 class WalletModel;
 
-QT_BEGIN_NAMESPACE
-QT_END_NAMESPACE
-
 class SignVerifyMessageDialog : public QDialog
 {
     Q_OBJECT
@@ -20,8 +17,8 @@ public:
     ~SignVerifyMessageDialog();
 
     void setModel(WalletModel *model);
-    void setAddress_SM(QString address);
-    void setAddress_VM(QString address);
+    void setAddress_SM(const QString &address);
+    void setAddress_VM(const QString &address);
 
     void showTab_SM(bool fShow);
     void showTab_VM(bool fShow);