diff --git a/sdrgui/gui/glscope.cpp b/sdrgui/gui/glscope.cpp
index e449710bd..2336453bb 100644
--- a/sdrgui/gui/glscope.cpp
+++ b/sdrgui/gui/glscope.cpp
@@ -203,8 +203,6 @@ void GLScope::initializeGL()
         }
     }
 
-    connect(glCurrentContext, &QOpenGLContext::aboutToBeDestroyed, this, &GLScope::cleanup);
-
     QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
     glFunctions->initializeOpenGLFunctions();
 
diff --git a/sdrgui/gui/glspectrum.cpp b/sdrgui/gui/glspectrum.cpp
index e7d246ec7..9de614980 100644
--- a/sdrgui/gui/glspectrum.cpp
+++ b/sdrgui/gui/glspectrum.cpp
@@ -822,8 +822,6 @@ void GLSpectrum::initializeGL()
         return;
     }
 
-    connect(glCurrentContext, &QOpenGLContext::aboutToBeDestroyed, this, &GLSpectrum::cleanup);
-
     QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
     glFunctions->initializeOpenGLFunctions();