Rollup merge of #42127 - clarcharr:lifetimes, r=Mark-Simulacrum

Remove unused lifetimes.

This was a typo that made it onto master. Noted by @dtolnay in #42127.

Also note #41960 which suggests warning these.

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index eaf0502a577..f497734e249 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -530,7 +530,7 @@ impl<'a> From<&'a OsStr> for Box<OsStr> {
 }
 
 #[stable(feature = "os_string_from_box", since = "1.18.0")]
-impl<'a> From<Box<OsStr>> for OsString {
+impl From<Box<OsStr>> for OsString {
     fn from(boxed: Box<OsStr>) -> OsString {
         boxed.into_os_string()
     }
diff --git a/src/libstd/path.rs b/src/libstd/path.rs
index e7d8c3007f6..e128a4164d7 100644
--- a/src/libstd/path.rs
+++ b/src/libstd/path.rs
@@ -1342,7 +1342,7 @@ impl<'a> From<&'a Path> for Box<Path> {
 }
 
 #[stable(feature = "path_buf_from_box", since = "1.18.0")]
-impl<'a> From<Box<Path>> for PathBuf {
+impl From<Box<Path>> for PathBuf {
     fn from(boxed: Box<Path>) -> PathBuf {
         boxed.into_path_buf()
     }