diff --git a/plugins/channelrx/chanalyzer/chanalyzer.h b/plugins/channelrx/chanalyzer/chanalyzer.h
index c9acedaba..dcf4a27d7 100644
--- a/plugins/channelrx/chanalyzer/chanalyzer.h
+++ b/plugins/channelrx/chanalyzer/chanalyzer.h
@@ -62,7 +62,7 @@ public:
 	virtual void destroy() { delete this; }
     SpectrumVis *getSpectrumVis() { return &m_spectrumVis; }
     ScopeVis *getScopeVis() { return &m_scopeVis; }
-    void setSampleSink(BasebandSampleSink *sink) { m_basebandSink->setSampleSink(sink); }
+    void setScopeVis(ScopeVis *scopeVis) { m_basebandSink->setScopeVis(scopeVis); }
 
     int getChannelSampleRate() const { return m_basebandSink->getChannelSampleRate(); }
     int getDecimation() const { return 1<<m_settings.m_log2Decim; }
diff --git a/plugins/channelrx/chanalyzer/chanalyzerbaseband.h b/plugins/channelrx/chanalyzer/chanalyzerbaseband.h
index cde93301f..577c781be 100644
--- a/plugins/channelrx/chanalyzer/chanalyzerbaseband.h
+++ b/plugins/channelrx/chanalyzer/chanalyzerbaseband.h
@@ -67,7 +67,7 @@ public:
     int getChannelSampleRate() const;
     double getMagSq() { return m_sink.getMagSq(); }
     double getMagSqAvg() const { return (double) m_sink.getMagSqAvg(); }
-    void setSampleSink(BasebandSampleSink* sampleSink) { m_sink.setSampleSink(sampleSink); }
+    void setScopeVis(ScopeVis *scopeVis) { m_sink.setScopeVis(scopeVis); }
     bool isPllLocked() const { return m_sink.isPllLocked(); }
     Real getPllFrequency() const { return m_sink.getPllFrequency(); }
     Real getPllDeltaPhase() const { return m_sink.getPllDeltaPhase(); }
@@ -90,4 +90,4 @@ private slots:
     void handleData(); //!< Handle data when samples have to be processed
 };
 
-#endif // INCLUDE_CHANNELANALYZERBASEBAND_H
\ No newline at end of file
+#endif // INCLUDE_CHANNELANALYZERBASEBAND_H
diff --git a/plugins/channelrx/chanalyzer/chanalyzergui.cpp b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
index 1394c4d8f..c9dea7616 100644
--- a/plugins/channelrx/chanalyzer/chanalyzergui.cpp
+++ b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
@@ -19,7 +19,6 @@
 #include <QMainWindow>
 
 #include "device/deviceuiset.h"
-#include "dsp/spectrumscopecombovis.h"
 #include "dsp/spectrumvis.h"
 #include "dsp/dspengine.h"
 #include "dsp/dspcommands.h"
@@ -475,9 +474,9 @@ ChannelAnalyzerGUI::ChannelAnalyzerGUI(PluginAPI* pluginAPI, DeviceUISet *device
 	m_spectrumVis->setGLSpectrum(ui->glSpectrum);
     m_scopeVis = m_channelAnalyzer->getScopeVis();
     m_scopeVis->setGLScope(ui->glScope);
-	m_spectrumScopeComboVis = new SpectrumScopeComboVis(m_spectrumVis, m_scopeVis);
     m_basebandSampleRate = m_channelAnalyzer->getChannelSampleRate();
-    m_channelAnalyzer->setSampleSink(m_spectrumScopeComboVis);
+    m_scopeVis->setSpectrumVis(m_spectrumVis);
+    m_channelAnalyzer->setScopeVis(m_scopeVis);
 	m_channelAnalyzer->setMessageQueueToGUI(getInputMessageQueue());
 
     ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
@@ -529,7 +528,6 @@ ChannelAnalyzerGUI::~ChannelAnalyzerGUI()
     qDebug("ChannelAnalyzerGUI::~ChannelAnalyzerGUI");
 	ui->glScope->disconnectTimer();
 	delete ui;
-	delete m_spectrumScopeComboVis;
     qDebug("ChannelAnalyzerGUI::~ChannelAnalyzerGUI: done");
 }
 
diff --git a/plugins/channelrx/chanalyzer/chanalyzergui.h b/plugins/channelrx/chanalyzer/chanalyzergui.h
index 9a6987f9e..ab088f13a 100644
--- a/plugins/channelrx/chanalyzer/chanalyzergui.h
+++ b/plugins/channelrx/chanalyzer/chanalyzergui.h
@@ -30,7 +30,6 @@ class PluginAPI;
 class DeviceUISet;
 class BasebandSampleSink;
 class ChannelAnalyzer;
-class SpectrumScopeComboVis;
 class SpectrumVis;
 class ScopeVis;
 
@@ -65,7 +64,6 @@ private:
 	MovingAverageUtil<double, double, 40> m_channelPowerAvg;
 
 	ChannelAnalyzer* m_channelAnalyzer;
-	SpectrumScopeComboVis* m_spectrumScopeComboVis;
 	SpectrumVis* m_spectrumVis;
 	ScopeVis* m_scopeVis;
 	MessageQueue m_inputMessageQueue;
diff --git a/plugins/channelrx/chanalyzer/chanalyzersink.cpp b/plugins/channelrx/chanalyzer/chanalyzersink.cpp
index 15a80ac14..18e31d8c4 100644
--- a/plugins/channelrx/chanalyzer/chanalyzersink.cpp
+++ b/plugins/channelrx/chanalyzer/chanalyzersink.cpp
@@ -21,7 +21,7 @@
 #include <QDebug>
 #include <stdio.h>
 
-#include "dsp/basebandsamplesink.h"
+#include "dsp/scopevis.h"
 
 const unsigned int ChannelAnalyzerSink::m_ssbFftLen = 1024;
 const unsigned int ChannelAnalyzerSink::m_corrFFTLen = 4*m_ssbFftLen;
@@ -31,7 +31,7 @@ ChannelAnalyzerSink::ChannelAnalyzerSink() :
     m_channelFrequencyOffset(0),
     m_sinkSampleRate(48000),
     m_costasLoop(0.002, 2),
-    m_sampleSink(nullptr)
+    m_scopeVis(nullptr)
 {
 	m_usb = true;
 	m_magsq = 0;
@@ -90,9 +90,12 @@ void ChannelAnalyzerSink::feed(const SampleVector::const_iterator& begin, const
         }
 	}
 
-	if (m_sampleSink) {
-		m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), m_settings.m_ssb); // m_ssb = positive only
-	}
+    if (m_scopeVis)
+    {
+        std::vector<SampleVector::const_iterator> vbegin;
+        vbegin.push_back(m_sampleBuffer.begin());
+        m_scopeVis->feed(vbegin, m_sampleBuffer.end() - m_sampleBuffer.begin());
+    }
 
 	m_sampleBuffer.clear();
 }
diff --git a/plugins/channelrx/chanalyzer/chanalyzersink.h b/plugins/channelrx/chanalyzer/chanalyzersink.h
index 21f5cf156..081fffafe 100644
--- a/plugins/channelrx/chanalyzer/chanalyzersink.h
+++ b/plugins/channelrx/chanalyzer/chanalyzersink.h
@@ -33,7 +33,7 @@
 
 #include "chanalyzersettings.h"
 
-class BasebandSampleSink;
+class ScopeVis;
 
 class ChannelAnalyzerSink : public ChannelSampleSink {
 public:
@@ -51,7 +51,7 @@ public:
     Real getPllFrequency() const;
     Real getPllDeltaPhase() const;
     Real getPllPhase() const;
-    void setSampleSink(BasebandSampleSink* sampleSink) { m_sampleSink = sampleSink; }
+    void setScopeVis(ScopeVis* scopeVis) { m_scopeVis = scopeVis; }
 
     static const unsigned int m_corrFFTLen;
     static const unsigned int m_ssbFftLen;
@@ -82,7 +82,7 @@ private:
 	SampleVector m_sampleBuffer;
 	MovingAverageUtil<double, double, 480> m_channelPowerAvg;
 
-    BasebandSampleSink* m_sampleSink;
+    ScopeVis* m_scopeVis;
 
 	void setFilters(int sampleRate, float bandwidth, float lowCutoff);
 	void processOneSample(Complex& c, fftfilt::cmplx *sideband);
diff --git a/plugins/feature/demodanalyzer/demodanalyzer.cpp b/plugins/feature/demodanalyzer/demodanalyzer.cpp
index 35d45d47b..962bcbc42 100644
--- a/plugins/feature/demodanalyzer/demodanalyzer.cpp
+++ b/plugins/feature/demodanalyzer/demodanalyzer.cpp
@@ -54,6 +54,7 @@ DemodAnalyzer::DemodAnalyzer(WebAPIAdapterInterface *webAPIAdapterInterface) :
     qDebug("DemodAnalyzer::DemodAnalyzer: webAPIAdapterInterface: %p", webAPIAdapterInterface);
     setObjectName(m_featureId);
     m_worker = new DemodAnalyzerWorker();
+    m_worker->setScopeVis(&m_scopeVis);
     m_state = StIdle;
     m_errorMessage = "DemodAnalyzer error";
     m_networkManager = new QNetworkAccessManager();
@@ -108,11 +109,6 @@ void DemodAnalyzer::stop()
 	m_thread.wait();
 }
 
-void DemodAnalyzer::setSampleSink(BasebandSampleSink *sink)
-{
-    m_worker->setSampleSink(sink);
-}
-
 double DemodAnalyzer::getMagSqAvg() const
 {
     return m_worker->getMagSqAvg();
diff --git a/plugins/feature/demodanalyzer/demodanalyzer.h b/plugins/feature/demodanalyzer/demodanalyzer.h
index a616ed93c..d69a10ec0 100644
--- a/plugins/feature/demodanalyzer/demodanalyzer.h
+++ b/plugins/feature/demodanalyzer/demodanalyzer.h
@@ -158,7 +158,6 @@ public:
     virtual void destroy() { delete this; }
     SpectrumVis *getSpectrumVis() { return &m_spectrumVis; }
     ScopeVis *getScopeVis() { return &m_scopeVis; }
-    void setSampleSink(BasebandSampleSink *sink);
     double getMagSqAvg() const;
     virtual bool handleMessage(const Message& cmd);
 
diff --git a/plugins/feature/demodanalyzer/demodanalyzergui.cpp b/plugins/feature/demodanalyzer/demodanalyzergui.cpp
index bdda2b757..4e913de65 100644
--- a/plugins/feature/demodanalyzer/demodanalyzergui.cpp
+++ b/plugins/feature/demodanalyzer/demodanalyzergui.cpp
@@ -18,7 +18,6 @@
 #include <QMessageBox>
 
 #include "feature/featureuiset.h"
-#include "dsp/spectrumscopecombovis.h"
 #include "dsp/spectrumvis.h"
 #include "gui/basicfeaturesettingsdialog.h"
 #include "gui/glspectrum.h"
@@ -146,8 +145,7 @@ DemodAnalyzerGUI::DemodAnalyzerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUI
     m_scopeVis->setGLScope(ui->glScope);
     m_spectrumVis = m_demodAnalyzer->getSpectrumVis();
 	m_spectrumVis->setGLSpectrum(ui->glSpectrum);
-	m_spectrumScopeComboVis = new SpectrumScopeComboVis(m_spectrumVis, m_scopeVis);
-    m_demodAnalyzer->setSampleSink(m_spectrumScopeComboVis);
+    m_scopeVis->setSpectrumVis(m_spectrumVis);
 
 	m_featureUISet->addRollupWidget(this);
 
@@ -180,7 +178,6 @@ DemodAnalyzerGUI::DemodAnalyzerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUI
 DemodAnalyzerGUI::~DemodAnalyzerGUI()
 {
 	delete ui;
-	delete m_spectrumScopeComboVis;
 }
 
 void DemodAnalyzerGUI::blockApplySettings(bool block)
diff --git a/plugins/feature/demodanalyzer/demodanalyzergui.h b/plugins/feature/demodanalyzer/demodanalyzergui.h
index 7d7b90960..bdaa19236 100644
--- a/plugins/feature/demodanalyzer/demodanalyzergui.h
+++ b/plugins/feature/demodanalyzer/demodanalyzergui.h
@@ -30,7 +30,6 @@ class PluginAPI;
 class FeatureUISet;
 class DemodAnalyzer;
 class Feature;
-class SpectrumScopeComboVis;
 class SpectrumVis;
 class ScopeVis;
 
@@ -58,7 +57,6 @@ private:
 	bool m_doApplySettings;
 
 	DemodAnalyzer* m_demodAnalyzer;
-	SpectrumScopeComboVis* m_spectrumScopeComboVis;
 	SpectrumVis* m_spectrumVis;
 	ScopeVis* m_scopeVis;
 	MessageQueue m_inputMessageQueue;
diff --git a/plugins/feature/demodanalyzer/demodanalyzerworker.cpp b/plugins/feature/demodanalyzer/demodanalyzerworker.cpp
index c83019825..f8597ddd1 100644
--- a/plugins/feature/demodanalyzer/demodanalyzerworker.cpp
+++ b/plugins/feature/demodanalyzer/demodanalyzerworker.cpp
@@ -17,7 +17,7 @@
 
 #include <QDebug>
 
-#include "dsp/basebandsamplesink.h"
+#include "dsp/scopevis.h"
 #include "dsp/datafifo.h"
 
 #include "demodanalyzerworker.h"
@@ -95,8 +95,11 @@ void DemodAnalyzerWorker::feedPart(const QByteArray::const_iterator& begin, cons
         }
     }
 
-	if (m_sampleSink) {
-		m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.begin() + countSamples/(1<<m_settings.m_log2Decim), false);
+	if (m_scopeVis)
+    {
+        std::vector<SampleVector::const_iterator> vbegin;
+        vbegin.push_back(m_sampleBuffer.begin());
+        m_scopeVis->feed(vbegin, countSamples/(1<<m_settings.m_log2Decim));
 	}
 }
 
diff --git a/plugins/feature/demodanalyzer/demodanalyzerworker.h b/plugins/feature/demodanalyzer/demodanalyzerworker.h
index 14102b74a..399a90185 100644
--- a/plugins/feature/demodanalyzer/demodanalyzerworker.h
+++ b/plugins/feature/demodanalyzer/demodanalyzerworker.h
@@ -33,6 +33,7 @@
 #include "demodanalyzersettings.h"
 
 class BasebandSampleSink;
+class ScopeVis;
 class ChannelAPI;
 class Feature;
 class DataFifo;
@@ -99,7 +100,7 @@ public:
 
 	double getMagSq() const { return m_magsq; }
 	double getMagSqAvg() const { return (double) m_channelPowerAvg; }
-    void setSampleSink(BasebandSampleSink* sampleSink) { m_sampleSink = sampleSink; }
+    void setScopeVis(ScopeVis* scopeVis) { m_scopeVis = scopeVis; }
 
     static const unsigned int m_corrFFTLen;
     static const unsigned int m_ssbFftLen;
@@ -117,7 +118,7 @@ private:
     Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16, true> m_decimators;
     int m_sampleBufferSize;
 	MovingAverageUtil<double, double, 480> m_channelPowerAvg;
-    BasebandSampleSink* m_sampleSink;
+    ScopeVis* m_scopeVis;
     bool m_running;
     QMutex m_mutex;
 
diff --git a/sdrbase/dsp/scopevis.cpp b/sdrbase/dsp/scopevis.cpp
index bc8dc73aa..4b8aa314e 100644
--- a/sdrbase/dsp/scopevis.cpp
+++ b/sdrbase/dsp/scopevis.cpp
@@ -21,6 +21,7 @@
 #include <QMutexLocker>
 
 #include "scopevis.h"
+#include "spectrumvis.h"
 #include "dsp/dspcommands.h"
 #include "dsp/glscopeinterface.h"
 
@@ -41,6 +42,7 @@ MESSAGE_CLASS_DEFINITION(ScopeVis::MsgScopeVisNGMemoryTrace, Message)
 
 ScopeVis::ScopeVis() :
     m_glScope(nullptr),
+    m_spectrumVis(nullptr),
     m_messageQueueToGUI(nullptr),
     m_preTriggerDelay(0),
     m_livePreTriggerDelay(0),
@@ -524,6 +526,10 @@ int ScopeVis::processTraces(const SampleVector::const_iterator& cbegin, int ilen
     uint32_t length = m_traceSize / m_timeBase;
     int remainder = ilength;
 
+    if (m_spectrumVis) {
+        m_spectrumVis->feed(cbegin, cbegin + ilength, false);
+    }
+
     while ((remainder > 0) && (m_nbSamples > 0))
     {
         std::vector<TraceControl*>::iterator itCtl = m_traces.m_tracesControl.begin();
diff --git a/sdrbase/dsp/scopevis.h b/sdrbase/dsp/scopevis.h
index 4db848487..ed52befc3 100644
--- a/sdrbase/dsp/scopevis.h
+++ b/sdrbase/dsp/scopevis.h
@@ -40,6 +40,7 @@
 
 
 class GLScopeInterface;
+class SpectrumVis;
 
 class SDRBASE_API ScopeVis : public QObject {
     Q_OBJECT
@@ -48,6 +49,7 @@ public:
     virtual ~ScopeVis();
 
     void setGLScope(GLScopeInterface* glScope);
+    void setSpectrumVis(SpectrumVis *spectrumVis) { m_spectrumVis = spectrumVis; }
     void setMessageQueueToGUI(MessageQueue* messageQueue) { m_messageQueueToGUI = messageQueue; }
     MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
 
@@ -1040,6 +1042,7 @@ private:
     };
 
     GLScopeInterface* m_glScope;
+    SpectrumVis *m_spectrumVis;
     MessageQueue m_inputMessageQueue;
     MessageQueue *m_messageQueueToGUI;
     uint32_t m_preTriggerDelay;                    //!< Pre-trigger delay in number of samples
diff --git a/sdrgui/CMakeLists.txt b/sdrgui/CMakeLists.txt
index a88402c5f..bb807f9b6 100644
--- a/sdrgui/CMakeLists.txt
+++ b/sdrgui/CMakeLists.txt
@@ -69,7 +69,6 @@ set(sdrgui_SOURCES
     gui/wrappingdatetimeedit.cpp
 
     dsp/scopevisxy.cpp
-    dsp/spectrumscopecombovis.cpp
 
     device/deviceuiset.cpp
 
@@ -157,7 +156,6 @@ set(sdrgui_HEADERS
     gui/wrappingdatetimeedit.h
 
     dsp/scopevisxy.h
-    dsp/spectrumscopecombovis.h
 
     device/deviceuiset.h
 
diff --git a/sdrgui/dsp/spectrumscopecombovis.cpp b/sdrgui/dsp/spectrumscopecombovis.cpp
deleted file mode 100644
index 984b0134a..000000000
--- a/sdrgui/dsp/spectrumscopecombovis.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-#include "dsp/spectrumscopecombovis.h"
-#include "dsp/dspcommands.h"
-#include "dsp/scopevis.h"
-#include "util/messagequeue.h"
-
-SpectrumScopeComboVis::SpectrumScopeComboVis(SpectrumVis* spectrumVis, ScopeVis* scopeVis) :
-	m_spectrumVis(spectrumVis),
-	m_scopeVis(scopeVis)
-{
-	setObjectName("SpectrumScopeComboVis");
-}
-
-SpectrumScopeComboVis::~SpectrumScopeComboVis()
-{
-}
-
-void SpectrumScopeComboVis::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
-{
-    (void) positiveOnly;
-	std::vector<SampleVector::const_iterator> vbegin;
-	vbegin.push_back(begin);
-	m_scopeVis->feed(vbegin, end - begin);
-	//SampleVector::const_iterator triggerPoint = m_scopeVis->getTriggerPoint();
-	//m_spectrumVis->feedTriggered(triggerPoint, end, positiveOnly);
-    int triggerPointLocation = m_scopeVis->getTriggerLocation();
-
-    if (m_scopeVis->getFreeRun()) {
-        m_spectrumVis->feed(begin, end, positiveOnly);
-    } else if ((triggerPointLocation >= 0) && (triggerPointLocation <= end - begin)) {
-        m_spectrumVis->feedTriggered(end - triggerPointLocation, end, positiveOnly);
-    } else {
-        m_spectrumVis->feedTriggered(begin, end, positiveOnly);
-    }
-}
-
-void SpectrumScopeComboVis::start()
-{
-	m_spectrumVis->start();
-}
-
-void SpectrumScopeComboVis::stop()
-{
-	m_spectrumVis->stop();
-}
-
-bool SpectrumScopeComboVis::handleMessage(const Message& message)
-{
-	bool spectDone = m_spectrumVis->handleMessage(message);
-	bool scopeDone = m_scopeVis->handleMessage(message);
-
-	return (spectDone || scopeDone);
-}
diff --git a/sdrgui/dsp/spectrumscopecombovis.h b/sdrgui/dsp/spectrumscopecombovis.h
deleted file mode 100644
index d5ba4d46e..000000000
--- a/sdrgui/dsp/spectrumscopecombovis.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef INCLUDE_SPECTRUMSCOPENGCOMBOVIS_H
-#define INCLUDE_SPECTRUMSCOPENGCOMBOVIS_H
-
-#include <dsp/basebandsamplesink.h>
-#include "dsp/spectrumvis.h"
-#include "export.h"
-
-class Message;
-class ScopeVis;
-
-class SDRGUI_API SpectrumScopeComboVis : public BasebandSampleSink {
-public:
-
-    SpectrumScopeComboVis(SpectrumVis* spectrumVis, ScopeVis* scopeVis);
-	virtual ~SpectrumScopeComboVis();
-
-	using BasebandSampleSink::feed;
-	virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
-	virtual void start();
-	virtual void stop();
-	virtual bool handleMessage(const Message& message);
-
-private:
-	SpectrumVis* m_spectrumVis;
-	ScopeVis* m_scopeVis;
-};
-
-#endif // INCLUDE_SPECTRUMSCOPENGCOMBOVIS_H