diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 316f93c..417d691 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -102,7 +102,9 @@ static const int six_hundred_forty_kb = 640 * 1024;
 #endif
 
 
+#ifndef CONFIG_SCHED_ALT
 extern int sysctl_sched_yield_type;
+#endif
 static const int ngroups_max = NGROUPS_MAX;
 static const int cap_last_cap = CAP_LAST_CAP;
 
@@ -1654,6 +1656,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+#ifndef CONFIG_SCHED_ALT
 	{
 		.procname	= "yield_type",
 		.data		= &sysctl_sched_yield_type,
@@ -1663,6 +1666,7 @@ static struct ctl_table kern_table[] = {
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_TWO,
 	},
+#endif
 #ifdef CONFIG_USER_NS
 	{
 		.procname	= "unprivileged_userns_clone",