diff --git a/sources/main.cpp b/sources/main.cpp
index 513b76427..974517ba7 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -35,13 +35,7 @@ int main(int argc, char **argv)
 	QCoreApplication::setOrganizationDomain("qelectrotech.org");
 	QCoreApplication::setApplicationName("QElectroTech");
 		//Creation and execution of the application
-		//HighDPI
-#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
-    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-#else
-    qputenv("QT_DEVICE_PIXEL_RATIO", QByteArray("auto"));
-#endif
-	
+
 	SingleApplication app(argc, argv, true);
 #ifdef Q_OS_MACOS
 		//Handle the opening of QET when user double click on a .qet .elmt .tbt file