diff --git a/hw/pc.c b/hw/pc.c
index 34683e7920..167d628fca 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -853,8 +853,6 @@ static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
     isa_bios_size = bios_size;
     if (isa_bios_size > (128 * 1024))
         isa_bios_size = 128 * 1024;
-    cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
-                                 IO_MEM_UNASSIGNED);
     cpu_register_physical_memory(0x100000 - isa_bios_size,
                                  isa_bios_size,
                                  (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);