diff --git a/src/video/vid_mga.c b/src/video/vid_mga.c
index 54d9afc42..1bdbecdf6 100644
--- a/src/video/vid_mga.c
+++ b/src/video/vid_mga.c
@@ -6821,11 +6821,13 @@ millennium_ii_available(void)
     return rom_present(ROM_MILLENNIUM_II);
 }
 
+#ifdef USE_G100
 static int
 matrox_g100_available(void)
 {
     return rom_present(ROM_G100);
 }
+#endif
 
 static void
 mystique_speed_changed(void *priv)