diff --git a/sys/conf/files.amd64 b/sys/conf/files.amd64
index 27060d55383a..1c3f67b4bbc6 100644
--- a/sys/conf/files.amd64
+++ b/sys/conf/files.amd64
@@ -33,8 +33,6 @@ isa/atkbd_isa.c			optional	atkbd
 
 libkern/ffs.c			standard
 kern/subr_disklabel.c		standard
-kern/subr_diskmbr.c		standard
-kern/subr_diskslice.c		standard
 
 x86_64/x86_64/autoconf.c	standard
 x86_64/x86_64/bios.c		standard