diff --git a/hw/vga.c b/hw/vga.c
index b5c7ee7..966185e 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -2313,13 +2313,6 @@
 
     register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s);
     register_ioport_write(0x1cf, 1, 2, vbe_ioport_write_data, s);
-
-    /* old Bochs IO ports */
-    register_ioport_read(0xff80, 1, 2, vbe_ioport_read_index, s);
-    register_ioport_read(0xff81, 1, 2, vbe_ioport_read_data, s);
-
-    register_ioport_write(0xff80, 1, 2, vbe_ioport_write_index, s);
-    register_ioport_write(0xff81, 1, 2, vbe_ioport_write_data, s);
 #else
     register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s);
     register_ioport_read(0x1d0, 1, 2, vbe_ioport_read_data, s);