diff --git a/video/sm712.c b/video/sm712.c
index 33861beef..c36a19203 100644
--- a/video/sm712.c
+++ b/video/sm712.c
@@ -32,10 +32,7 @@ static struct
   struct grub_video_mode_info mode_info;
   struct grub_video_render_target *render_target;
 
-  unsigned int bytes_per_scan_line;
-  unsigned int bytes_per_pixel;
   grub_uint8_t *ptr;
-  int index_color_mode;
   int mapped;
   grub_uint32_t base;
   grub_pci_device_t dev;