diff --git a/plugins/channelrx/demoddsd/dsddemodgui.cpp b/plugins/channelrx/demoddsd/dsddemodgui.cpp
index 387c406cf..04ab9b00a 100644
--- a/plugins/channelrx/demoddsd/dsddemodgui.cpp
+++ b/plugins/channelrx/demoddsd/dsddemodgui.cpp
@@ -297,7 +297,6 @@ DSDDemodGUI::DSDDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
 	ui->setupUi(this);
 	ui->screenTV->setColor(true);
 	ui->screenTV->resizeTVScreen(200,200);
-	ui->screenTV->setRenderImmediate(true);
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
diff --git a/sdrgui/dsp/scopevisxy.cpp b/sdrgui/dsp/scopevisxy.cpp
index 78fd7c539..f8599c070 100644
--- a/sdrgui/dsp/scopevisxy.cpp
+++ b/sdrgui/dsp/scopevisxy.cpp
@@ -83,6 +83,7 @@ void ScopeVisXY::feed(const SampleVector::const_iterator& cbegin, const SampleVe
 
             drawGraticule();
 			m_tvScreen->renderImage(0);
+			m_tvScreen->update();
 			usleep(5000);
 			m_tvScreen->resetImage(m_alphaReset);
 			m_pixelCount = 0;
diff --git a/sdrgui/gui/tvscreen.cpp b/sdrgui/gui/tvscreen.cpp
index 8d18dc665..005126971 100644
--- a/sdrgui/gui/tvscreen.cpp
+++ b/sdrgui/gui/tvscreen.cpp
@@ -38,7 +38,6 @@ TVScreen::TVScreen(bool blnColor, QWidget* parent) :
     m_blnConfigChanged = false;
     m_blnDataChanged = false;
     m_blnGLContextInitialized = false;
-    m_blnRenderImmediate = false;
 
     //Par défaut
     m_intAskedCols = TV_COLS;
@@ -71,10 +70,6 @@ void TVScreen::renderImage(unsigned char * objData)
 {
     m_chrLastData = objData;
     m_blnDataChanged = true;
-
-    if (m_blnRenderImmediate) {
-    	update();
-    }
 }
 
 void TVScreen::resetImage()
diff --git a/sdrgui/gui/tvscreen.h b/sdrgui/gui/tvscreen.h
index 54a383e03..45587ec8e 100644
--- a/sdrgui/gui/tvscreen.h
+++ b/sdrgui/gui/tvscreen.h
@@ -55,7 +55,6 @@ public:
     bool selectRow(int intLine);
     bool setDataColor(int intCol, int intRed, int intGreen, int intBlue);
     bool setDataColor(int intCol, int intRed, int intGreen, int intBlue, int intAlpha);
-    void setRenderImmediate(bool blnRenderImmediate) { m_blnRenderImmediate = blnRenderImmediate; }
     void setAlphaBlend(bool blnAlphaBlend) { m_objGLShaderArray.setAlphaBlend(blnAlphaBlend); }
     void setAlphaReset() { m_objGLShaderArray.setAlphaReset(); }
 
@@ -80,7 +79,6 @@ private:
     QMutex m_objMutex;
     bool m_blnDataChanged;
     bool m_blnConfigChanged;
-    bool m_blnRenderImmediate;
 
     GLShaderTVArray m_objGLShaderArray;