diff --git a/sdrbase/device/devicesinkapi.cpp b/sdrbase/device/devicesinkapi.cpp
index f21e19997..382c66152 100644
--- a/sdrbase/device/devicesinkapi.cpp
+++ b/sdrbase/device/devicesinkapi.cpp
@@ -53,16 +53,6 @@ void DeviceSinkAPI::removeSpectrumSink(BasebandSampleSink* spectrumSink)
     m_deviceSinkEngine->removeSpectrumSink(spectrumSink);
 }
 
-void DeviceSinkAPI::addSource(BasebandSampleSource *source)
-{
-    m_deviceSinkEngine->addSource(source);
-}
-
-void DeviceSinkAPI::removeSource(BasebandSampleSource* source)
-{
-    m_deviceSinkEngine->removeSource(source);
-}
-
 void DeviceSinkAPI::addThreadedSource(ThreadedBasebandSampleSource* source)
 {
     m_deviceSinkEngine->addThreadedSource(source);
diff --git a/sdrbase/device/devicesinkapi.h b/sdrbase/device/devicesinkapi.h
index aa5034512..b5d2fb541 100644
--- a/sdrbase/device/devicesinkapi.h
+++ b/sdrbase/device/devicesinkapi.h
@@ -45,7 +45,6 @@ public:
     // Device engine stuff
     void addSpectrumSink(BasebandSampleSink* sink);                //!< Add the spectrum sample sink to device engine (spectrum vis)
     void removeSpectrumSink(BasebandSampleSink* sink);             //!< Remove the spectrum sample sink from device engine (spectrum vis)
-    void addSource(BasebandSampleSource* source);                  //!< Add a baseband sample source to device engine
     void removeSource(BasebandSampleSource* sink);                 //!< Remove a baseband sample source from device engine
     void addThreadedSource(ThreadedBasebandSampleSource* sink);    //!< Add a baseband sample source that will run on its own thread to device engine
     void removeThreadedSource(ThreadedBasebandSampleSource* sink); //!< Remove a baseband sample source that runs on its own thread from device engine
diff --git a/sdrbase/dsp/dspdevicesinkengine.cpp b/sdrbase/dsp/dspdevicesinkengine.cpp
index dcf5f0f2b..8cb999c22 100644
--- a/sdrbase/dsp/dspdevicesinkengine.cpp
+++ b/sdrbase/dsp/dspdevicesinkengine.cpp
@@ -113,20 +113,6 @@ void DSPDeviceSinkEngine::setSinkSequence(int sequence)
 	m_sampleSinkSequence = sequence;
 }
 
-void DSPDeviceSinkEngine::addSource(BasebandSampleSource* source)
-{
-	qDebug() << "DSPDeviceSinkEngine::addSource: " << source->objectName().toStdString().c_str();
-	DSPAddBasebandSampleSource cmd(source);
-	m_syncMessenger.sendWait(cmd);
-}
-
-void DSPDeviceSinkEngine::removeSource(BasebandSampleSource* source)
-{
-	qDebug() << "DSPDeviceSinkEngine::removeSource: " << source->objectName().toStdString().c_str();
-	DSPRemoveBasebandSampleSource cmd(source);
-	m_syncMessenger.sendWait(cmd);
-}
-
 void DSPDeviceSinkEngine::addThreadedSource(ThreadedBasebandSampleSource* source)
 {
 	qDebug() << "DSPDeviceSinkEngine::addThreadedSource: " << source->objectName().toStdString().c_str();
diff --git a/sdrbase/dsp/dspdevicesinkengine.h b/sdrbase/dsp/dspdevicesinkengine.h
index a4ecc9894..be14385fc 100644
--- a/sdrbase/dsp/dspdevicesinkengine.h
+++ b/sdrbase/dsp/dspdevicesinkengine.h
@@ -67,9 +67,6 @@ public:
 	DeviceSampleSink *getSink() { return m_deviceSampleSink; }
 	void setSinkSequence(int sequence); //!< Set the sample sink sequence in type
 
-	void addSource(BasebandSampleSource* source); //!< Add a baseband sample source
-	void removeSource(BasebandSampleSource* source); //!< Remove a baseband sample source
-
 	void addThreadedSource(ThreadedBasebandSampleSource* source); //!< Add a baseband sample source that will run on its own thread
 	void removeThreadedSource(ThreadedBasebandSampleSource* source); //!< Remove a baseband sample source that runs on its own thread