diff --git a/src/plugins/platforms/cocoa/qcocoascreen.mm b/src/plugins/platforms/cocoa/qcocoascreen.mm
index ce8890d5025..a8778ebe1de 100644
--- a/src/plugins/platforms/cocoa/qcocoascreen.mm
+++ b/src/plugins/platforms/cocoa/qcocoascreen.mm
@@ -195,7 +195,6 @@ QCocoaScreen::~QCocoaScreen()
          dispatch_release(m_displayLinkSource);
 }
 
-#if QT_MACOS_DEPLOYMENT_TARGET_BELOW(__MAC_10_15)
 static QString displayName(CGDirectDisplayID displayID)
 {
     QIOType<io_iterator_t> iterator;
@@ -227,7 +226,6 @@ static QString displayName(CGDirectDisplayID displayID)
 
     return QString();
 }
-#endif
 
 void QCocoaScreen::update(CGDirectDisplayID displayId)
 {