diff --git a/src/plugins/coreplugin/outputpanemanager.cpp b/src/plugins/coreplugin/outputpanemanager.cpp
index 91ee3a85311..4240c1120cd 100644
--- a/src/plugins/coreplugin/outputpanemanager.cpp
+++ b/src/plugins/coreplugin/outputpanemanager.cpp
@@ -785,7 +785,7 @@ OutputPaneToggleButton::OutputPaneToggleButton(int number, const QString &text,
         connect(m_action, &QAction::changed, this, &OutputPaneToggleButton::updateToolTip);
 
     m_flashTimer->setDirection(QTimeLine::Forward);
-    m_flashTimer->setCurveShape(QTimeLine::SineCurve);
+    m_flashTimer->setEasingCurve(QEasingCurve::SineCurve);
     m_flashTimer->setFrameRange(0, 92);
     auto updateSlot = QOverload<>::of(&QWidget::update);
     connect(m_flashTimer, &QTimeLine::valueChanged, this, updateSlot);
diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 5fa41c5e4bd..c5b511b027d 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -6521,7 +6521,7 @@ TextEditorAnimator::TextEditorAnimator(QObject *parent)
     : QObject(parent), m_timeline(256)
 {
     m_value = 0;
-    m_timeline.setCurveShape(QTimeLine::SineCurve);
+    m_timeline.setEasingCurve(QEasingCurve::SineCurve);
     connect(&m_timeline, &QTimeLine::valueChanged, this, &TextEditorAnimator::step);
     connect(&m_timeline, &QTimeLine::finished, this, &QObject::deleteLater);
     m_timeline.start();