diff --git a/spectrogramcontrols.cpp b/spectrogramcontrols.cpp
index 3c8197f..ebb6553 100644
--- a/spectrogramcontrols.cpp
+++ b/spectrogramcontrols.cpp
@@ -56,10 +56,6 @@ SpectrogramControls::SpectrogramControls(const QString & title, QWidget * parent
     powerMinSlider->setValue(-50);
     layout->addRow(new QLabel(tr("Power min:")), powerMinSlider);
 
-    timeScaleCheckBox = new QCheckBox(widget);
-    timeScaleCheckBox->setCheckState(Qt::Checked);
-    layout->addRow(new QLabel(tr("time overlay:")), timeScaleCheckBox);
-
     cursorFrequencyLabel = new QLabel();
     layout->addRow(new QLabel(tr("Cursor frequency:")), cursorFrequencyLabel);