diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 7733ef5..84cab0c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2767,12 +2767,14 @@
 {
 	return -ENOSYS;
 }
+#ifdef CONFIG_SYSVIPC
 static int sysctl_ipc_data(ctl_table *table, int __user *name, int nlen,
 		void __user *oldval, size_t __user *oldlenp,
 		void __user *newval, size_t newlen)
 {
 	return -ENOSYS;
 }
+#endif
 #endif /* CONFIG_SYSCTL_SYSCALL */
 
 /*