diff --git a/emu86-rom.config b/emu86-rom.config
index 416e761cb..631958059 100644
--- a/emu86-rom.config
+++ b/emu86-rom.config
@@ -83,6 +83,8 @@ CONFIG_PIPE=y
 # Block device drivers
 #
 
+# CONFIG_BLK_DEV_BFD is not set
+# CONFIG_BLK_DEV_BHD is not set
 # CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_DEV_HD is not set
 # CONFIG_BLK_DEV_RAM is not set