diff --git a/src/plugins/coreplugin/outputwindow.cpp b/src/plugins/coreplugin/outputwindow.cpp
index 149c7189fdb..48d0af5b5cc 100644
--- a/src/plugins/coreplugin/outputwindow.cpp
+++ b/src/plugins/coreplugin/outputwindow.cpp
@@ -214,11 +214,6 @@ void OutputWindow::keyPressEvent(QKeyEvent *ev)
         verticalScrollBar()->triggerAction(QAbstractSlider::SliderToMaximum);
 }
 
-OutputFormatter *OutputWindow::formatter() const
-{
-    return d->formatter;
-}
-
 void OutputWindow::setFormatter(OutputFormatter *formatter)
 {
     d->formatter = formatter;
diff --git a/src/plugins/coreplugin/outputwindow.h b/src/plugins/coreplugin/outputwindow.h
index 509ae6dfab0..1b67f01e0b9 100644
--- a/src/plugins/coreplugin/outputwindow.h
+++ b/src/plugins/coreplugin/outputwindow.h
@@ -56,7 +56,6 @@ public:
     OutputWindow(Context context, const QString &settingsKey, QWidget *parent = nullptr);
     ~OutputWindow() override;
 
-    Utils::OutputFormatter *formatter() const;
     void setFormatter(Utils::OutputFormatter *formatter);
 
     void appendMessage(const QString &out, Utils::OutputFormat format);