diff --git a/sdrbase/plugin/pluginmanager.cpp b/sdrbase/plugin/pluginmanager.cpp
index c1af659cc..9645ef3af 100644
--- a/sdrbase/plugin/pluginmanager.cpp
+++ b/sdrbase/plugin/pluginmanager.cpp
@@ -42,8 +42,7 @@ const QString PluginManager::m_fileSinkDeviceTypeID = "sdrangel.samplesink.files
 
 PluginManager::PluginManager(MainWindow* mainWindow, QObject* parent) :
 	QObject(parent),
-	m_pluginAPI(this, mainWindow),
-	m_mainWindow(mainWindow)
+	m_pluginAPI(this, mainWindow)
 {
 }
 
diff --git a/sdrbase/plugin/pluginmanager.h b/sdrbase/plugin/pluginmanager.h
index 9d2b24b0a..9f42823ca 100644
--- a/sdrbase/plugin/pluginmanager.h
+++ b/sdrbase/plugin/pluginmanager.h
@@ -115,7 +115,6 @@ private:
 	typedef QList<SamplingDevice> SamplingDevices;
 
 	PluginAPI m_pluginAPI;
-	MainWindow* m_mainWindow;
 	Plugins m_plugins;
 
 	PluginAPI::ChannelRegistrations m_rxChannelRegistrations; //!< Channel plugins register here