diff --git a/tests/auto/widgets/styles/qstyle/task_25863.png b/tests/auto/widgets/styles/qstyle/task_25863.png
deleted file mode 100644
index a2de8d6f78..0000000000
Binary files a/tests/auto/widgets/styles/qstyle/task_25863.png and /dev/null differ
diff --git a/tests/auto/widgets/styles/qstyle/testdata.qrc b/tests/auto/widgets/styles/qstyle/testdata.qrc
index c16b9be775..29bb46726e 100644
--- a/tests/auto/widgets/styles/qstyle/testdata.qrc
+++ b/tests/auto/widgets/styles/qstyle/testdata.qrc
@@ -15,6 +15,5 @@
         <file>images/vista/radiobutton.png</file>
         <file>images/vista/slider.png</file>
         <file>images/vista/spinbox.png</file>
-        <file>task_25863.png</file>
     </qresource>
 </RCC>
diff --git a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
index 5925b764dd..fcb05f6b74 100644
--- a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
+++ b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
@@ -58,6 +58,8 @@
 #include <qscrollarea.h>
 #include <qwidget.h>
 
+#include <algorithm>
+
 // Make a widget frameless to prevent size constraints of title bars
 // from interfering (Windows).
 static inline void setFrameless(QWidget *w)
@@ -208,13 +210,12 @@ void tst_QStyle::drawItemPixmap()
     testWidget->resize(300, 300);
     testWidget->showNormal();
 
-    const QString imageFileName = QFINDTESTDATA("task_25863.png");
-    QVERIFY(!imageFileName.isEmpty());
-
-    QPixmap p(imageFileName, "PNG");
-    const QPixmap actualPix = testWidget->grab();
-
-    QCOMPARE(actualPix, p);
+    QImage image = testWidget->grab().toImage();
+    const QRgb green = QColor(Qt::green).rgb();
+    QVERIFY(image.reinterpretAsFormat(QImage::Format_RGB32));
+    const QRgb *bits = reinterpret_cast<const QRgb *>(image.constBits());
+    const QRgb *end = bits + image.byteCount() / sizeof(QRgb);
+    QVERIFY(std::all_of(bits, end, [green] (QRgb r) { return r == green; }));
     testWidget->hide();
 }