1 files changed, 1 insertions, 9 deletions
diff --git a/src/corelib/thread/qfutureinterface.h b/src/corelib/thread/qfutureinterface.h
index 1787ff3b93..559d26e231 100644
--- a/src/corelib/thread/qfutureinterface.h
+++ b/src/corelib/thread/qfutureinterface.h
@@ -285,21 +285,13 @@ template <>
 class QFutureInterface<void> : public QFutureInterfaceBase
 {
 public:
-    QFutureInterface<void>(State initialState = NoState)
+    explicit QFutureInterface<void>(State initialState = NoState)
         : QFutureInterfaceBase(initialState)
     { }
-    QFutureInterface<void>(const QFutureInterface<void> &other)
-        : QFutureInterfaceBase(other)
-    { }
 
     static QFutureInterface<void> canceledResult()
     { return QFutureInterface(State(Started | Finished | Canceled)); }
 
-    QFutureInterface<void> &operator=(const QFutureInterface<void> &other)
-    {
-        QFutureInterfaceBase::operator=(other);
-        return *this;
-    }
 
     inline QFuture<void> future(); // implemented in qfuture.h