Remove needless lifetimes

2 files changed, 3 insertions, 3 deletions

diff --git a/src/librustc_data_structures/bit_set.rs b/src/librustc_data_structures/bit_set.rs
index 5d8388d89f5..1eb28bccbe3 100644
--- a/src/librustc_data_structures/bit_set.rs
+++ b/src/librustc_data_structures/bit_set.rs
@@ -168,7 +168,7 @@ impl<T: Idx> BitSet<T> {
 
     /// Iterates over the indices of set bits in a sorted order.
     #[inline]
-    pub fn iter<'a>(&'a self) -> BitIter<'a, T> {
+    pub fn iter(&self) -> BitIter<'_, T> {
         BitIter {
             cur: None,
             iter: self.words.iter().enumerate(),
@@ -849,7 +849,7 @@ impl<R: Idx, C: Idx> BitMatrix<R, C> {
 
     /// Iterates through all the columns set to true in a given row of
     /// the matrix.
-    pub fn iter<'a>(&'a self, row: R) -> BitIter<'a, C> {
+    pub fn iter(&self, row: R) -> BitIter<'_, C> {
         assert!(row.index() < self.num_rows);
         let (start, end) = self.range(row);
         BitIter {
diff --git a/src/librustc_data_structures/fingerprint.rs b/src/librustc_data_structures/fingerprint.rs
index 7975c62b90f..3bea965ef30 100644
--- a/src/librustc_data_structures/fingerprint.rs
+++ b/src/librustc_data_structures/fingerprint.rs
@@ -58,7 +58,7 @@ impl Fingerprint {
         Ok(())
     }
 
-    pub fn decode_opaque<'a>(decoder: &mut Decoder<'a>) -> Result<Fingerprint, String> {
+    pub fn decode_opaque(decoder: &mut Decoder<'_>) -> Result<Fingerprint, String> {
         let mut bytes = [0; 16];
 
         decoder.read_raw_bytes(&mut bytes)?;