diff --git a/src/tiled/preferences.h b/src/tiled/preferences.h
index 189dea5255..d28950d804 100644
--- a/src/tiled/preferences.h
+++ b/src/tiled/preferences.h
@@ -207,7 +207,6 @@ public slots:
     void setRestoreSessionOnStartup(bool enabled);
     void setPluginEnabled(const QString &fileName, bool enabled);
     void setWheelZoomsByDefault(bool mode);
-    void setInvertYAxis(bool enabled);
 
     void clearRecentFiles();
     void clearRecentProjects();
@@ -254,8 +253,6 @@ public slots:
 
     void aboutToSwitchSession();
 
-    void invertYAxisChanged();
-
 private:
     void addToRecentFileList(const QString &fileName, QStringList &files);
 
@@ -301,11 +298,6 @@ void Preference<T>::set(const T &value)
     Preferences::instance()->setValue(QLatin1String(mKey), value);
 }
 
-inline bool Preferences::invertYAxis() const
-{
-    return mInvertYAxis;
-}
-
 } // namespace Tiled
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(Tiled::Preferences::ExportOptions)