diff --git a/src/widgets/widgets/qprogressbar.cpp b/src/widgets/widgets/qprogressbar.cpp
index 3e5b78fe2b..c02aa0e875 100644
--- a/src/widgets/widgets/qprogressbar.cpp
+++ b/src/widgets/widgets/qprogressbar.cpp
@@ -526,9 +526,9 @@ void QProgressBar::setInvertedAppearance(bool invert)
     update();
 }
 
-bool QProgressBar::invertedAppearance()
+bool QProgressBar::invertedAppearance() const
 {
-    Q_D(QProgressBar);
+    Q_D(const QProgressBar);
     return d->invertedAppearance;
 }
 
@@ -549,9 +549,9 @@ void QProgressBar::setTextDirection(QProgressBar::Direction textDirection)
     update();
 }
 
-QProgressBar::Direction QProgressBar::textDirection()
+QProgressBar::Direction QProgressBar::textDirection() const
 {
-    Q_D(QProgressBar);
+    Q_D(const QProgressBar);
     return d->textDirection;
 }
 
diff --git a/src/widgets/widgets/qprogressbar.h b/src/widgets/widgets/qprogressbar.h
index fad1ee4e0b..65ec5fa404 100644
--- a/src/widgets/widgets/qprogressbar.h
+++ b/src/widgets/widgets/qprogressbar.h
@@ -92,11 +92,9 @@ public:
     Qt::Orientation orientation() const;
 
     void setInvertedAppearance(bool invert);
-    bool invertedAppearance(); //### Qt5 make const
-    bool invertedAppearance() const { return const_cast<QProgressBar *>(this)->invertedAppearance(); }
+    bool invertedAppearance() const;
     void setTextDirection(QProgressBar::Direction textDirection);
-    QProgressBar::Direction textDirection(); //### Qt5 make const
-    QProgressBar::Direction textDirection() const { return const_cast<QProgressBar *>(this)->textDirection(); }
+    QProgressBar::Direction textDirection() const;
 
     void setFormat(const QString &format);
     QString format() const;