diff --git a/src/i830_bios.h b/src/i830_bios.h
index cb7666e3..9e8356a1 100644
--- a/src/i830_bios.h
+++ b/src/i830_bios.h
@@ -130,9 +130,6 @@ struct aimdb_block {
     CARD16  aimdb_size;
 } __attribute__((packed));
 
-struct vch_bdb_20 {
-} __attribute__((packed));
-
 struct vch_panel_data {
     CARD16	fp_timing_offset;
     CARD8	fp_timing_size;