diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp
index 39dea272857..18e0101f8e3 100644
--- a/src/corelib/text/qstring.cpp
+++ b/src/corelib/text/qstring.cpp
@@ -7368,6 +7368,11 @@ qulonglong QString::toIntegral_helper(QStringView string, bool *ok, uint base)
 */
 
 double QString::toDouble(bool *ok) const
+{
+    return QStringView(*this).toDouble(ok);
+}
+
+double QStringView::toDouble(bool *ok) const
 {
     return QLocaleData::c()->stringToDouble(*this, ok, QLocale::RejectGroupSeparator);
 }
@@ -7407,6 +7412,11 @@ float QString::toFloat(bool *ok) const
     return QLocaleData::convertDoubleToFloat(toDouble(ok), ok);
 }
 
+float QStringView::toFloat(bool *ok) const
+{
+    return QLocaleData::convertDoubleToFloat(toDouble(ok), ok);
+}
+
 /*! \fn QString &QString::setNum(int n, int base)
 
     Sets the string to the printed value of \a n in the specified \a
@@ -11059,16 +11069,6 @@ void QAbstractConcatenable::appendLatin1To(QLatin1StringView in, QChar *out) noe
     qt_from_latin1(reinterpret_cast<char16_t *>(out), in.data(), size_t(in.size()));
 }
 
-double QStringView::toDouble(bool *ok) const
-{
-    return QLocaleData::c()->stringToDouble(*this, ok, QLocale::RejectGroupSeparator);
-}
-
-float QStringView::toFloat(bool *ok) const
-{
-    return QLocaleData::convertDoubleToFloat(toDouble(ok), ok);
-}
-
 /*!
   \fn template <typename T> qsizetype erase(QString &s, const T &t)
   \relates QString