diff --git a/init/Kconfig b/init/Kconfig
index 690a381adee0d164f52c9984f61c0d710c54c089..c1221332e128c7004e5cd60f5596f5b857c4950e 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -461,6 +461,7 @@ endmenu # "CPU/Task time and stats accounting"
 
 config CPU_ISOLATION
 	bool "CPU isolation"
+	depends on SMP || COMPILE_TEST
 	default y
 	help
 	  Make sure that CPUs running critical tasks are not disturbed by