diff --git a/library/stdarch/crates/std_detect/tests/cpu-detection.rs b/library/stdarch/crates/std_detect/tests/cpu-detection.rs
index 1a3acfaaffa0..cb57b849d696 100644
--- a/library/stdarch/crates/std_detect/tests/cpu-detection.rs
+++ b/library/stdarch/crates/std_detect/tests/cpu-detection.rs
@@ -1,3 +1,4 @@
+#![allow(internal_features)]
 #![feature(stdarch_internal)]
 #![cfg_attr(target_arch = "arm", feature(stdarch_arm_feature_detection))]
 #![cfg_attr(target_arch = "powerpc", feature(stdarch_powerpc_feature_detection))]