diff --git a/src/widgets/dialogs/qcolordialog.cpp b/src/widgets/dialogs/qcolordialog.cpp
index 4247731275c..aa1ee86f764 100644
--- a/src/widgets/dialogs/qcolordialog.cpp
+++ b/src/widgets/dialogs/qcolordialog.cpp
@@ -1314,10 +1314,6 @@ QColorShower::QColorShower(QColorDialog *parent)
     QRegularExpression regExp(QStringLiteral("#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})"));
     QRegularExpressionValidator *validator = new QRegularExpressionValidator(regExp, this);
     htEd->setValidator(validator);
-#elif !defined(QT_NO_REGEXP)
-    QRegExp regExp(QStringLiteral("#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})"));
-    QRegExpValidator *validator = new QRegExpValidator(regExp, this);
-    htEd->setValidator(validator);
 #else
     htEd->setReadOnly(true);
 #endif
diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
index 0ba3611cfd0..d6db6dd5bc3 100644
--- a/src/widgets/widgets/qlineedit.cpp
+++ b/src/widgets/widgets/qlineedit.cpp
@@ -609,7 +609,7 @@ const QValidator * QLineEdit::validator() const
     The initial setting is to have no input validator (i.e. any input
     is accepted up to maxLength()).
 
-    \sa validator(), hasAcceptableInput(), QIntValidator, QDoubleValidator, QRegExpValidator
+    \sa validator(), hasAcceptableInput(), QIntValidator, QDoubleValidator, QRegularExpressionValidator
 */
 
 void QLineEdit::setValidator(const QValidator *v)