diff --git a/Contrib/Makensisw/utils.cpp b/Contrib/Makensisw/utils.cpp
index 2271b6db..3ec632e9 100644
--- a/Contrib/Makensisw/utils.cpp
+++ b/Contrib/Makensisw/utils.cpp
@@ -34,8 +34,6 @@ WINUSERAPI HMONITOR WINAPI MonitorFromWindow(HWND hwnd, DWORD dwFlags);
 #ifndef GRADIENT_FILL_RECT_H
 #define GRADIENT_FILL_RECT_H 0
 #if !defined(_WIN32_WINNT) || _WIN32_WINNT-0 < 0x0410
-typedef USHORT COLOR16;
-typedef struct _TRIVERTEX { LONG x, y; COLOR16 Red, Green, Blue, Alpha; } TRIVERTEX, *PTRIVERTEX, *LPTRIVERTEX;
 WINGDIAPI BOOL WINAPI GradientFill(HDC,TRIVERTEX*,ULONG,PVOID,ULONG,ULONG);
 #endif
 #endif