diff --git a/libs/video/targets/in_win.c b/libs/video/targets/in_win.c
index bb0850266..d452c104b 100644
--- a/libs/video/targets/in_win.c
+++ b/libs/video/targets/in_win.c
@@ -1077,22 +1077,12 @@ event_mousewheel (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 	return 0;
 }
 
-static LONG
-event_close (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
-{
-	if (MessageBox (win_mainwindow,
-					"Are you sure you want to quit?", "Confirm Exit",
-					MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES) {
-		Sys_Quit ();
-	}
-	return 0;
-}
-
 static long
 event_activate (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
 	int         fActive = LOWORD (wParam);
 	int         fMinimized = (BOOL) HIWORD (wParam);
+
 	Win_Activate (!(fActive == WA_INACTIVE), fMinimized);
 	// fix leftover Alt from any Alt-Tab or the like that switched us away
 	if (in_win_initialized) {
@@ -1128,8 +1118,6 @@ IN_Win_Preinit (void)
 
 	Win_AddEvent (WM_MOUSEWHEEL, event_mousewheel);
 
-	Win_AddEvent (WM_CLOSE, event_close);
-
 	Win_AddEvent (WM_ACTIVATE, event_activate);
 }