diff --git a/sys/alpha/linux/linux_dummy.c b/sys/alpha/linux/linux_dummy.c
index 5afe18c0d55c..820c7ab46e09 100644
--- a/sys/alpha/linux/linux_dummy.c
+++ b/sys/alpha/linux/linux_dummy.c
@@ -38,8 +38,6 @@
 #include <compat/linux/linux_util.h>
 
 
-DUMMY(mount);
-DUMMY(umount);
 DUMMY(ptrace);
 DUMMY(ksyslog);
 DUMMY(vhangup);
diff --git a/sys/i386/linux/linux_dummy.c b/sys/i386/linux/linux_dummy.c
index 6340a1077e58..4cc7cc276814 100644
--- a/sys/i386/linux/linux_dummy.c
+++ b/sys/i386/linux/linux_dummy.c
@@ -54,8 +54,6 @@ unsupported_msg(struct proc *p, const char *fname)
 DUMMY(setup);
 DUMMY(break);
 DUMMY(stat);
-DUMMY(mount);
-DUMMY(umount);
 DUMMY(stime);
 DUMMY(ptrace);
 DUMMY(fstat);
@@ -63,7 +61,6 @@ DUMMY(stty);
 DUMMY(gtty);
 DUMMY(ftime);
 DUMMY(prof);
-DUMMY(umount2);
 DUMMY(lock);
 DUMMY(mpx);
 DUMMY(ulimit);