diff --git a/subsys/testsuite/ztest/src/ztest.c b/subsys/testsuite/ztest/src/ztest.c
index 9f85d49c786..51ddd55bdf4 100644
--- a/subsys/testsuite/ztest/src/ztest.c
+++ b/subsys/testsuite/ztest/src/ztest.c
@@ -55,6 +55,7 @@ static int cleanup_test(struct unit_test *test)
 	return ret;
 }
 
+#ifdef KERNEL
 #ifdef CONFIG_SMP
 #define NUM_CPUHOLD (CONFIG_MP_NUM_CPUS - 1)
 #else
@@ -124,6 +125,8 @@ void z_test_1cpu_stop(void)
 	}
 }
 
+#endif
+
 static void run_test_functions(struct unit_test *test)
 {
 	phase = TEST_PHASE_SETUP;