diff --git a/kernel/sys.c b/kernel/sys.c
index 250eade7a2f..8a31528cb33 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2271,7 +2271,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 			error = prctl_set_vma(arg2, arg3, arg4, arg5);
 			break;
 		/* remove this case because of sidesync call mute for H-projects */
-
+#ifndef CONFIG_SEC_H_PROJECT
 		case PR_SET_TIMERSLACK_PID:
 			if (task_pid_vnr(current) != (pid_t)arg3 &&
 					!capable(CAP_SYS_NICE))
@@ -2292,6 +2292,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 			put_task_struct(tsk);
 			error = 0;
 			break;
+#endif
 		case PR_SET_NO_NEW_PRIVS:
 			if (arg2 != 1 || arg3 || arg4 || arg5)
 				return -EINVAL;