diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index 44fe2ca88596f..f5af48e0dd277 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -2581,14 +2581,12 @@ impl<T> [T] {
     /// # Examples
     ///
     /// ```
-    /// #![feature(slice_fill)]
-    ///
     /// let mut buf = vec![0; 10];
     /// buf.fill(1);
     /// assert_eq!(buf, vec![1; 10]);
     /// ```
     #[doc(alias = "memset")]
-    #[unstable(feature = "slice_fill", issue = "70758")]
+    #[stable(feature = "slice_fill", since = "1.50.0")]
     pub fn fill(&mut self, value: T)
     where
         T: Clone,
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index 39b0ca63301e2..5bc5ddaa5fe30 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -304,7 +304,6 @@
 #![feature(rustc_private)]
 #![feature(shrink_to)]
 #![feature(slice_concat_ext)]
-#![feature(slice_fill)]
 #![feature(slice_internals)]
 #![feature(slice_ptr_get)]
 #![feature(slice_ptr_len)]