diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs
index 0871a9e22d386..509b9388af5da 100644
--- a/library/std/src/fs.rs
+++ b/library/std/src/fs.rs
@@ -660,7 +660,6 @@ impl File {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(file_lock)]
     /// use std::fs::File;
     ///
     /// fn main() -> std::io::Result<()> {
@@ -669,7 +668,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_lock", issue = "130994")]
+    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
     pub fn lock(&self) -> io::Result<()> {
         self.inner.lock()
     }
@@ -708,7 +707,6 @@ impl File {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(file_lock)]
     /// use std::fs::File;
     ///
     /// fn main() -> std::io::Result<()> {
@@ -717,7 +715,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_lock", issue = "130994")]
+    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
     pub fn lock_shared(&self) -> io::Result<()> {
         self.inner.lock_shared()
     }
@@ -763,7 +761,6 @@ impl File {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(file_lock)]
     /// use std::fs::File;
     ///
     /// fn main() -> std::io::Result<()> {
@@ -772,7 +769,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_lock", issue = "130994")]
+    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
     pub fn try_lock(&self) -> io::Result<bool> {
         self.inner.try_lock()
     }
@@ -815,7 +812,6 @@ impl File {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(file_lock)]
     /// use std::fs::File;
     ///
     /// fn main() -> std::io::Result<()> {
@@ -824,7 +820,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_lock", issue = "130994")]
+    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
     pub fn try_lock_shared(&self) -> io::Result<bool> {
         self.inner.try_lock_shared()
     }
@@ -849,7 +845,6 @@ impl File {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(file_lock)]
     /// use std::fs::File;
     ///
     /// fn main() -> std::io::Result<()> {
@@ -859,7 +854,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_lock", issue = "130994")]
+    #[stable(feature = "file_lock", since = "CURRENT_RUSTC_VERSION")]
     pub fn unlock(&self) -> io::Result<()> {
         self.inner.unlock()
     }