diff --git a/src/cascadia/TerminalApp/App.idl b/src/cascadia/TerminalApp/App.idl
index c32a12c4f..a7b3626c7 100644
--- a/src/cascadia/TerminalApp/App.idl
+++ b/src/cascadia/TerminalApp/App.idl
@@ -23,7 +23,7 @@ namespace TerminalApp
         Windows.Foundation.Point GetLaunchDimensions(UInt32 dpi);
         Boolean GetShowTabsInTitlebar();
 
-        event Windows.Foundation.TypedEventHandler<App, Windows.UI.Xaml.UIElement> SetTitleBarContent;
+        //event Windows.Foundation.TypedEventHandler<App, Windows.UI.Xaml.UIElement> SetTitleBarContent;
         event Windows.Foundation.TypedEventHandler<App, Windows.UI.Xaml.ElementTheme> RequestedThemeChanged;
 
         String GetTitle();