diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index c35264ff3..1ebd022cf 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -3802,7 +3802,6 @@ void MainWindow::guiUpdate()
   static char message[38];
   static char msgsent[38];
   double txDuration;
-  QString rt;
 
   if(m_TRperiod==0) m_TRperiod=60.0;
   txDuration=0.0;