diff --git a/src/corelib/text/qbytearray.h b/src/corelib/text/qbytearray.h
index f057fa0bb78..a6733834384 100644
--- a/src/corelib/text/qbytearray.h
+++ b/src/corelib/text/qbytearray.h
@@ -9,6 +9,7 @@
 #include <QtCore/qnamespace.h>
 #include <QtCore/qarraydata.h>
 #include <QtCore/qarraydatapointer.h>
+#include <QtCore/qcompare.h>
 #include <QtCore/qcontainerfwd.h>
 #include <QtCore/qbytearrayalgorithms.h>
 #include <QtCore/qbytearrayview.h>
@@ -539,6 +540,16 @@ public:
     explicit inline QByteArray(DataPointer &&dd) : d(std::move(dd)) {}
 
 private:
+    friend bool comparesEqual(const QByteArray &lhs, const QByteArrayView &rhs) noexcept
+    { return QByteArrayView(lhs) == rhs; }
+    friend Qt::strong_ordering
+    compareThreeWay(const QByteArray &lhs, const QByteArrayView &rhs) noexcept
+    {
+        const int res = QtPrivate::compareMemory(QByteArrayView(lhs), rhs);
+        return Qt::compareThreeWay(res, 0);
+    }
+    Q_DECLARE_STRONGLY_ORDERED(QByteArray, QByteArrayView)
+
     void reallocData(qsizetype alloc, QArrayData::AllocationOption option);
     void reallocGrowData(qsizetype n);
     void expand(qsizetype i);
diff --git a/tests/auto/corelib/text/qstringapisymmetry/tst_qstringapisymmetry.cpp b/tests/auto/corelib/text/qstringapisymmetry/tst_qstringapisymmetry.cpp
index 8cf04c40ea6..635b9cfa52f 100644
--- a/tests/auto/corelib/text/qstringapisymmetry/tst_qstringapisymmetry.cpp
+++ b/tests/auto/corelib/text/qstringapisymmetry/tst_qstringapisymmetry.cpp
@@ -297,10 +297,8 @@ private Q_SLOTS:
     void compare_QByteArray_QLatin1String() { compare_impl<QByteArray, QLatin1String>(); }
     void compare_QByteArray_QByteArray_data() { compare_data(); }
     void compare_QByteArray_QByteArray() { compare_impl<QByteArray, QByteArray>(); }
-#ifdef AMBIGUOUS_CALL
     void compare_QByteArray_QByteArrayView_data() { compare_data(); }
     void compare_QByteArray_QByteArrayView() { compare_impl<QByteArray, QByteArrayView>(); }
-#endif
     void compare_QByteArray_const_char_star_data() { compare_data(); }
     void compare_QByteArray_const_char_star() { compare_impl<QByteArray, const char *>(); }
 
@@ -318,10 +316,8 @@ private Q_SLOTS:
     void compare_QByteArrayView_QUtf8StringView() { compare_impl<QByteArrayView, QUtf8StringView>(); }
     void compare_QByteArrayView_QLatin1String_data() { compare_data(); }
     void compare_QByteArrayView_QLatin1String() { compare_impl<QByteArrayView, QLatin1String>(); }
-#ifdef AMBIGUOUS_CALL
     void compare_QByteArrayView_QByteArray_data() { compare_data(); }
     void compare_QByteArrayView_QByteArray() { compare_impl<QByteArrayView, QByteArray>(); }
-#endif
     void compare_QByteArrayView_QByteArrayView_data() { compare_data(); }
     void compare_QByteArrayView_QByteArrayView() { compare_impl<QByteArrayView, QByteArrayView>(); }
 #ifdef AMBIGUOUS_CALL