diff --git a/src/win32/MainWnd.cpp b/src/win32/MainWnd.cpp
index f2811ed6..195c2622 100644
--- a/src/win32/MainWnd.cpp
+++ b/src/win32/MainWnd.cpp
@@ -175,8 +175,6 @@ BEGIN_MESSAGE_MAP(MainWnd, CWnd)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLNEAREST, OnUpdateOptionsVideoRenderoptionsGlnearest)
   ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLBILINEAR, OnOptionsVideoRenderoptionsGlbilinear)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLBILINEAR, OnUpdateOptionsVideoRenderoptionsGlbilinear)
-    ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLANISOTROPIC, OnOptionsVideoRenderoptionsGlanisotropic)
-  ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLANISOTROPIC, OnUpdateOptionsVideoRenderoptionsGlanisotropic)
   ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLTRIANGLE, OnOptionsVideoRenderoptionsGltriangle)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLTRIANGLE, OnUpdateOptionsVideoRenderoptionsGltriangle)
   ON_COMMAND(ID_OPTIONS_VIDEO_RENDEROPTIONS_GLQUADS, OnOptionsVideoRenderoptionsGlquads)