diff --git a/ui/viewerwidget.cpp b/ui/viewerwidget.cpp
index 03218fc48..d3c526b9f 100644
--- a/ui/viewerwidget.cpp
+++ b/ui/viewerwidget.cpp
@@ -640,13 +640,6 @@ GLuint ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio)
                         int widget_width = width();
                         int widget_height = height();
 
-                        QString qt_scale_factor = QString(qgetenv("QT_SCALE_FACTOR"));
-                        if (!qt_scale_factor.isEmpty()) {
-                            double scale = qt_scale_factor.toDouble();
-                            widget_width *= scale;
-                            widget_height *= scale;
-                        }
-
                         widget_width *= QApplication::desktop()->devicePixelRatio();
                         widget_height *= QApplication::desktop()->devicePixelRatio();