diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
index 7ba01caeefd..281df8a1326 100644
--- a/library/core/tests/slice.rs
+++ b/library/core/tests/slice.rs
@@ -2330,6 +2330,7 @@ macro_rules! empty_max_mut {
     };
 }
 
+#[cfg(not(miri))] // Comparing usize::MAX many elements takes forever in Miri (and in rustc without optimizations)
 take_tests! {
     slice: &[(); usize::MAX], method: take,
     (take_in_bounds_max_range_to, (..usize::MAX), Some(EMPTY_MAX), &[(); 0]),
@@ -2337,6 +2338,7 @@ take_tests! {
     (take_in_bounds_max_range_from, (usize::MAX..), Some(&[] as _), EMPTY_MAX),
 }
 
+#[cfg(not(miri))] // Comparing usize::MAX many elements takes forever in Miri (and in rustc without optimizations)
 take_tests! {
     slice: &mut [(); usize::MAX], method: take_mut,
     (take_mut_in_bounds_max_range_to, (..usize::MAX), Some(empty_max_mut!()), &mut [(); 0]),