diff --git a/src/video/windows/SDL_windowsevents.c b/src/video/windows/SDL_windowsevents.c
index 9e95e33..2316ee3 100644
--- a/src/video/windows/SDL_windowsevents.c
+++ b/src/video/windows/SDL_windowsevents.c
@@ -1161,14 +1161,6 @@
 };
 
 static SDL_bool
-IsWinVistaOrNewer(void)
-{
-    DWORD version = GetVersion();
-    DWORD major = (DWORD)(LOBYTE(LOWORD(version)));
-    return (major >= 6)? SDL_TRUE : SDL_FALSE;
-}
-
-static SDL_bool
 IsWin10FCUorNewer(void)
 {
     HMODULE handle = GetModuleHandleW(L"ntdll.dll");
@@ -1256,7 +1248,7 @@
         return SDL_SetError("Couldn't register application class");
     }
 
-    isVistaOrNewer = IsWinVistaOrNewer();
+    isVistaOrNewer = WIN_IsWindowsVistaOrGreater();
     isWin10FCUorNewer = IsWin10FCUorNewer();
 
     app_registered = 1;