diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index d35dd16f85..886491a440 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -525,25 +525,6 @@ public:
 };
 } // anonymous namespace
 
-static QColor qcolorFromCGColor(CGColorRef cgcolor)
-{
-    QColor pc;
-    CGColorSpaceModel model = CGColorSpaceGetModel(CGColorGetColorSpace(cgcolor));
-    const CGFloat *components = CGColorGetComponents(cgcolor);
-    if (model == kCGColorSpaceModelRGB) {
-        pc.setRgbF(components[0], components[1], components[2], components[3]);
-    } else if (model == kCGColorSpaceModelCMYK) {
-        pc.setCmykF(components[0], components[1], components[2], components[3]);
-    } else if (model == kCGColorSpaceModelMonochrome) {
-        pc.setRgbF(components[0], components[0], components[0], components[1]);
-    } else {
-        // Colorspace we can't deal with.
-        qWarning("Qt: qcolorFromCGColor: cannot convert from colorspace model: %d", model);
-        Q_ASSERT(false);
-    }
-    return pc;
-}
-
 OSStatus qt_mac_shape2QRegionHelper(int inMessage, HIShapeRef, const CGRect *inRect, void *inRefcon)
 {
     QRegion *region = static_cast<QRegion *>(inRefcon);