diff --git a/src/plugins/styles/modernwindows/qwindows11style.cpp b/src/plugins/styles/modernwindows/qwindows11style.cpp
index 947a9a9236f..79044f1cdb5 100644
--- a/src/plugins/styles/modernwindows/qwindows11style.cpp
+++ b/src/plugins/styles/modernwindows/qwindows11style.cpp
@@ -148,10 +148,8 @@ static void drawArrow(const QStyle *style, const QStyleOptionToolButton *toolbut
 /*!
   Constructs a QWindows11Style object.
 */
-QWindows11Style::QWindows11Style() : QWindowsVistaStyle(*new QWindows11StylePrivate)
+QWindows11Style::QWindows11Style() : QWindows11Style(*new QWindows11StylePrivate)
 {
-    highContrastTheme = QGuiApplicationPrivate::styleHints->colorScheme() == Qt::ColorScheme::Unknown;
-    colorSchemeIndex = QGuiApplicationPrivate::styleHints->colorScheme() == Qt::ColorScheme::Light ? 0 : 1;
 }
 
 /*!
diff --git a/src/plugins/styles/modernwindows/qwindowsvistastyle.cpp b/src/plugins/styles/modernwindows/qwindowsvistastyle.cpp
index 4a5280dc074..3bc9d9a500f 100644
--- a/src/plugins/styles/modernwindows/qwindowsvistastyle.cpp
+++ b/src/plugins/styles/modernwindows/qwindowsvistastyle.cpp
@@ -1280,7 +1280,7 @@ static inline bool supportsStateTransition(QStyle::PrimitiveElement element,
 /*!
   Constructs a QWindowsVistaStyle object.
 */
-QWindowsVistaStyle::QWindowsVistaStyle() : QWindowsStyle(*new QWindowsVistaStylePrivate)
+QWindowsVistaStyle::QWindowsVistaStyle() : QWindowsVistaStyle(*new QWindowsVistaStylePrivate)
 {
 }