diff --git a/Source/Core/DolphinQt/Main.cpp b/Source/Core/DolphinQt/Main.cpp
index a65f9d34fdfa..8fa1afff19c6 100644
--- a/Source/Core/DolphinQt/Main.cpp
+++ b/Source/Core/DolphinQt/Main.cpp
@@ -147,15 +147,6 @@ int main(int argc, char* argv[])
 #endif
 #endif
 
-  // setHighDpiScaleFactorRoundingPolicy was added in 5.14, but default behavior changed in 6.0
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
-  // Set to the previous default behavior
-  QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Round);
-#else
-  QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-  QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-#endif
-
   QCoreApplication::setOrganizationName(QStringLiteral("Dolphin Emulator"));
   QCoreApplication::setOrganizationDomain(QStringLiteral("dolphin-emu.org"));
   QCoreApplication::setApplicationName(QStringLiteral("dolphin-emu"));