diff --git a/sdrgui/gui/glspectrum.cpp b/sdrgui/gui/glspectrum.cpp
index 1e35e7968..69ad6d5ab 100644
--- a/sdrgui/gui/glspectrum.cpp
+++ b/sdrgui/gui/glspectrum.cpp
@@ -49,7 +49,6 @@ GLSpectrum::GLSpectrum(QWidget* parent) :
 	m_displayTraceIntensity(50),
 	m_invertedWaterfall(false),
 	m_displayMaxHold(false),
-	m_displayTestHold(false), // test
 	m_currentSpectrum(0),
 	m_displayCurrent(false),
 	m_waterfallBuffer(NULL),
@@ -249,15 +248,6 @@ void GLSpectrum::setDisplayMaxHold(bool display)
 	update();
 }
 
-// test
-void GLSpectrum::setDisplayTestHold(bool value)
-{
-	m_displayTestHold = value;
-	m_changesPending = true;
-	stopDrag();
-	update();
-}
-
 void GLSpectrum::setDisplayCurrent(bool display)
 {
 	m_displayCurrent = display;
@@ -405,17 +395,14 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
 					{
 						*h = *h - sub;
 					}
-					else if(!m_displayTestHold)
+					else if(*h > 0)
 					{
-						if(*h > 0)
-						{
-							*h = *h - 1;
-						}
-						else
-						{
-							*b = *b - 1;
-							*h = m_histogramLateHoldoff;
-						}
+						*h = *h - 1;
+					}
+					else
+					{
+						*b = *b - 1;
+						*h = m_histogramLateHoldoff;
 					}
 				}
 
diff --git a/sdrgui/gui/glspectrum.h b/sdrgui/gui/glspectrum.h
index 637f4d26d..c1be4bdf9 100644
--- a/sdrgui/gui/glspectrum.h
+++ b/sdrgui/gui/glspectrum.h
@@ -76,7 +76,6 @@ public:
 	void setLsbDisplay(bool lsbDisplay);
 	void setInvertedWaterfall(bool inv);
 	void setDisplayMaxHold(bool display);
-	void setDisplayTestHold(bool value); // test
 	void setDisplayCurrent(bool display);
 	void setDisplayHistogram(bool display);
 	void setDisplayGrid(bool display);
@@ -146,7 +145,6 @@ private:
 
 	std::vector<Real> m_maxHold;
 	bool m_displayMaxHold;
-	bool m_displayTestHold; // test
 	const std::vector<Real> *m_currentSpectrum;
 	bool m_displayCurrent;
 
diff --git a/sdrgui/gui/glspectrumgui.cpp b/sdrgui/gui/glspectrumgui.cpp
index 029387dad..0d2dc6814 100644
--- a/sdrgui/gui/glspectrumgui.cpp
+++ b/sdrgui/gui/glspectrumgui.cpp
@@ -24,7 +24,6 @@ GLSpectrumGUI::GLSpectrumGUI(QWidget* parent) :
 	m_displayWaterfall(true),
 	m_invertedWaterfall(false),
 	m_displayMaxHold(false),
-	m_displayTestHold(false), // test
 	m_displayCurrent(false),
 	m_displayHistogram(false),
 	m_displayGrid(false),
@@ -74,7 +73,6 @@ void GLSpectrumGUI::resetToDefaults()
 	m_displayWaterfall = true;
 	m_invertedWaterfall = false;
 	m_displayMaxHold = false;
-	m_displayTestHold = false; // test
 	m_displayHistogram = false;
 	m_displayGrid = false;
 	m_invert = true;
@@ -95,7 +93,6 @@ QByteArray GLSpectrumGUI::serialize() const
 	s.writeBool(6, m_displayWaterfall);
 	s.writeBool(7, m_invertedWaterfall);
 	s.writeBool(8, m_displayMaxHold);
-	//s.writeBool(?, m_displayTestHold); // test
 	s.writeBool(9, m_displayHistogram);
 	s.writeS32(10, m_decay);
 	s.writeBool(11, m_displayGrid);
@@ -132,7 +129,6 @@ bool GLSpectrumGUI::deserialize(const QByteArray& data)
 		d.readBool(6, &m_displayWaterfall, true);
 		d.readBool(7, &m_invertedWaterfall, false);
 		d.readBool(8, &m_displayMaxHold, false);
-		m_displayTestHold = false; // test
 		d.readBool(9, &m_displayHistogram, false);
 		d.readS32(10, &m_decay, 0);
 		d.readBool(11, &m_displayGrid, false);
@@ -179,7 +175,6 @@ void GLSpectrumGUI::applySettings()
 	ui->stroke->setSliderPosition(m_histogramStroke);
 	ui->waterfall->setChecked(m_displayWaterfall);
 	ui->maxHold->setChecked(m_displayMaxHold);
-	ui->testHold->setChecked(m_displayTestHold); // test
 	ui->current->setChecked(m_displayCurrent);
 	ui->histogram->setChecked(m_displayHistogram);
 	ui->invert->setChecked(m_invert);
@@ -195,7 +190,6 @@ void GLSpectrumGUI::applySettings()
 	m_glSpectrum->setDisplayWaterfall(m_displayWaterfall);
 	m_glSpectrum->setInvertedWaterfall(m_invertedWaterfall);
 	m_glSpectrum->setDisplayMaxHold(m_displayMaxHold);
-	m_glSpectrum->setDisplayTestHold(m_displayTestHold); // test
 	m_glSpectrum->setDisplayCurrent(m_displayCurrent);
 	m_glSpectrum->setDisplayHistogram(m_displayHistogram);
 	m_glSpectrum->setDecay(m_decay);
@@ -421,15 +415,6 @@ void GLSpectrumGUI::on_maxHold_toggled(bool checked)
 	}
 }
 
-// test
-void GLSpectrumGUI::on_testHold_toggled(bool checked)
-{
-	m_displayTestHold = checked;
-	if(m_glSpectrum != 0) {
-	    m_glSpectrum->setDisplayTestHold(m_displayTestHold);
-	}
-}
-
 void GLSpectrumGUI::on_current_toggled(bool checked)
 {
 	m_displayCurrent = checked;
diff --git a/sdrgui/gui/glspectrumgui.h b/sdrgui/gui/glspectrumgui.h
index be05916de..9cf02a20d 100644
--- a/sdrgui/gui/glspectrumgui.h
+++ b/sdrgui/gui/glspectrumgui.h
@@ -56,7 +56,6 @@ private:
 	bool m_displayWaterfall;
 	bool m_invertedWaterfall;
 	bool m_displayMaxHold;
-	bool m_displayTestHold; // test
 	bool m_displayCurrent;
 	bool m_displayHistogram;
 	bool m_displayGrid;
@@ -93,7 +92,6 @@ private slots:
 	void on_waterfall_toggled(bool checked);
 	void on_histogram_toggled(bool checked);
 	void on_maxHold_toggled(bool checked);
-	void on_testHold_toggled(bool checked); // test
 	void on_current_toggled(bool checked);
 	void on_invert_toggled(bool checked);
 	void on_grid_toggled(bool checked);
diff --git a/sdrgui/gui/glspectrumgui.ui b/sdrgui/gui/glspectrumgui.ui
index b405515eb..6c81795fb 100644
--- a/sdrgui/gui/glspectrumgui.ui
+++ b/sdrgui/gui/glspectrumgui.ui
@@ -704,31 +704,6 @@
        </property>
       </widget>
      </item>
-
-     <item>
-      <widget class="ButtonSwitch" name="testHold">
-       <property name="toolTip">
-        <string>Toggle test Hold</string>
-       </property>
-       <property name="text">
-        <string>Test Hold</string>
-       </property>
-       <property name="icon">
-        <iconset resource="../resources/res.qrc">
-         <normaloff>:/testHold.png</normaloff>:/testHold.png</iconset>
-       </property>
-       <property name="iconSize">
-        <size>
-         <width>16</width>
-         <height>16</height>
-        </size>
-       </property>
-       <property name="checkable">
-        <bool>true</bool>
-       </property>
-      </widget>
-     </item>
-
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">