diff --git a/gfx/d3d/d3d.h b/gfx/d3d/d3d.h
index 6d0b0c0b7d..bb300da3b1 100644
--- a/gfx/d3d/d3d.h
+++ b/gfx/d3d/d3d.h
@@ -140,9 +140,5 @@ typedef struct d3d_video
 void d3d_make_d3dpp(void *data,
       const video_info_t *info, D3DPRESENT_PARAMETERS *d3dpp);
 
-#ifndef _XBOX
-extern "C" bool dinput_handle_message(void *dinput, UINT message, WPARAM wParam, LPARAM lParam);
-#endif
-
 #endif