diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs
index 7362bb77b1684..5863fd57e71e6 100644
--- a/library/core/src/num/nonzero.rs
+++ b/library/core/src/num/nonzero.rs
@@ -1374,8 +1374,6 @@ macro_rules! nonzero_integer {
             /// # Examples
             ///
             /// ```
-            /// #![feature(nonzero_from_str_radix)]
-            ///
             /// # use std::num::NonZero;
             /// #
             /// # fn main() { test().unwrap(); }
@@ -1388,13 +1386,12 @@ macro_rules! nonzero_integer {
             /// Trailing space returns error:
             ///
             /// ```
-            /// #![feature(nonzero_from_str_radix)]
-            ///
             /// # use std::num::NonZero;
             /// #
             #[doc = concat!("assert!(NonZero::<", stringify!($Int), ">::from_str_radix(\"1 \", 10).is_err());")]
             /// ```
-            #[unstable(feature = "nonzero_from_str_radix", issue = "152193")]
+            #[stable(feature = "nonzero_from_str_radix", since = "CURRENT_RUSTC_VERSION")]
+            #[rustc_const_stable(feature = "nonzero_from_str_radix", since = "CURRENT_RUSTC_VERSION")]
             #[inline]
             pub const fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
                 Self::from_ascii_radix(src.as_bytes(), radix)
diff --git a/library/coretests/tests/lib.rs b/library/coretests/tests/lib.rs
index 1799da9d4abc2..acef8cfceffad 100644
--- a/library/coretests/tests/lib.rs
+++ b/library/coretests/tests/lib.rs
@@ -91,7 +91,6 @@
 #![feature(never_type)]
 #![feature(next_index)]
 #![feature(non_exhaustive_omitted_patterns_lint)]
-#![feature(nonzero_from_str_radix)]
 #![feature(num_internals)]
 #![feature(numfmt)]
 #![feature(one_sided_range)]