1 files changed, 1 insertions, 5 deletions
diff --git a/src/plugins/platforms/ios/qiosintegration.mm b/src/plugins/platforms/ios/qiosintegration.mm
index 482f996943..3ee584b6bf 100644
--- a/src/plugins/platforms/ios/qiosintegration.mm
+++ b/src/plugins/platforms/ios/qiosintegration.mm
@@ -94,10 +94,6 @@ QIOSIntegration::QIOSIntegration()
                "'applicationDidFinishLaunching' inside your UIApplication delegate.\n");
     }
 
-    // The backingstore needs a global share context in order to support composition in
-    // QPlatformBackingStore.
-    qApp->setAttribute(Qt::AA_ShareOpenGLContexts, true);
-
     // Set current directory to app bundle folder
     QDir::setCurrent(QString::fromUtf8([[[NSBundle mainBundle] bundlePath] UTF8String]));
 
@@ -117,7 +113,7 @@ QIOSIntegration::QIOSIntegration()
     m_touchDevice = new QTouchDevice;
     m_touchDevice->setType(QTouchDevice::TouchScreen);
     QTouchDevice::Capabilities touchCapabilities = QTouchDevice::Position | QTouchDevice::NormalizedPosition;
-    if (QOperatingSystemVersion::current() >= QOperatingSystemVersion(QOperatingSystemVersion::IOS, 9)) {
+    if (__builtin_available(iOS 9, *)) {
         if (mainScreen.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable)
             touchCapabilities |= QTouchDevice::Pressure;
     }