diff --git a/library/std/src/f32/tests.rs b/library/std/src/f32/tests.rs
index 0e2f0561ea06..e1f9b3fe19d3 100644
--- a/library/std/src/f32/tests.rs
+++ b/library/std/src/f32/tests.rs
@@ -299,6 +299,7 @@ fn test_is_sign_negative() {
     assert!((-f32::NAN).is_sign_negative());
 }
 
+#[allow(unused_macros)]
 macro_rules! assert_f32_biteq {
     ($left : expr, $right : expr) => {
         let l: &f32 = &$left;
diff --git a/library/std/src/f64/tests.rs b/library/std/src/f64/tests.rs
index 8125b2492275..1619288bedb1 100644
--- a/library/std/src/f64/tests.rs
+++ b/library/std/src/f64/tests.rs
@@ -289,6 +289,7 @@ fn test_is_sign_negative() {
     assert!((-f64::NAN).is_sign_negative());
 }
 
+#[allow(unused_macros)]
 macro_rules! assert_f64_biteq {
     ($left : expr, $right : expr) => {
         let l: &f64 = &$left;