diff --git a/Source/Core/DolphinQt/Config/ControllersWindow.cpp b/Source/Core/DolphinQt/Config/ControllersWindow.cpp
index 981d8bf3b8..b14284f916 100644
--- a/Source/Core/DolphinQt/Config/ControllersWindow.cpp
+++ b/Source/Core/DolphinQt/Config/ControllersWindow.cpp
@@ -459,16 +459,6 @@ void ControllersWindow::OnWiimoteConfigure()
   MappingWindow(this, type, static_cast<int>(index)).exec();
 }
 
-void ControllersWindow::UnimplementedButton()
-{
-  QMessageBox error_dialog(this);
-
-  error_dialog.setIcon(QMessageBox::Warning);
-  error_dialog.setWindowTitle(tr("Unimplemented"));
-  error_dialog.setText(tr("Not implemented yet."));
-  error_dialog.exec();
-}
-
 void ControllersWindow::LoadSettings()
 {
   for (size_t i = 0; i < m_wiimote_groups.size(); i++)
diff --git a/Source/Core/DolphinQt/Config/ControllersWindow.h b/Source/Core/DolphinQt/Config/ControllersWindow.h
index dc8cde7cc6..ae03b79491 100644
--- a/Source/Core/DolphinQt/Config/ControllersWindow.h
+++ b/Source/Core/DolphinQt/Config/ControllersWindow.h
@@ -32,7 +32,6 @@ private:
   void OnWiimoteTypeChanged(int state);
   void OnGCTypeChanged(int state);
   void SaveSettings();
-  void UnimplementedButton();
   void OnBluetoothPassthroughSyncPressed();
   void OnBluetoothPassthroughResetPressed();
   void OnWiimoteRefreshPressed();