diff --git a/engines/engine.cpp b/engines/engine.cpp
index 347fbaba7a2..39e7b48fe05 100644
--- a/engines/engine.cpp
+++ b/engines/engine.cpp
@@ -644,10 +644,6 @@ void Engine::openMainMenuDialog() {
 	syncSoundSettings();
 }
 
-bool Engine::warnUserAboutUnsupportedGame() {
-	return warnUserAboutUnsupportedGame("");
-}
-
 bool Engine::warnUserAboutUnsupportedGame(Common::String msg) {
 	if (ConfMan.getBool("enable_unsupported_game_warning")) {
 		GUI::MessageDialog alert(!msg.empty() ? _("WARNING: ") + Common::U32String(msg) + _(" Shall we still run the game?") :
diff --git a/engines/engine.h b/engines/engine.h
index d3efb48b7ca..b8a252c9ab1 100644
--- a/engines/engine.h
+++ b/engines/engine.h
@@ -546,8 +546,7 @@ public:
 	 *
 	 * @return True if the user chooses to start anyway, false otherwise.
 	 */
-	static bool warnUserAboutUnsupportedGame();
-	static bool warnUserAboutUnsupportedGame(Common::String msg);
+	static bool warnUserAboutUnsupportedGame(Common::String msg = Common::String());
 
 	/**
 	 * Display an error message to the user that the game is not supported.