diff --git a/Cargo.toml b/Cargo.toml
index 85d04dc4e..27102c228 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,6 +36,7 @@ must_use_candidate = "allow"
 option_if_let_else = "allow"
 
 borrow_as_ptr = "warn"
+elidable_lifetime_names = "warn"
 manual_assert = "warn"
 manual_assert_eq = "warn"
 manual_let_else = "warn"
diff --git a/src/map.rs b/src/map.rs
index f922df507..671ef8a92 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -4271,7 +4271,7 @@ impl<'a, K, V, S, A: Allocator> VacantEntry<'a, K, V, S, A> {
     }
 }
 
-impl<'a, 'b, K, Q: ?Sized, V, S, A: Allocator> EntryRef<'a, 'b, K, Q, V, S, A> {
+impl<'a, K, Q: ?Sized, V, S, A: Allocator> EntryRef<'a, '_, K, Q, V, S, A> {
     /// Sets the value of the entry, and returns an `OccupiedEntry`.
     ///
     /// # Examples
@@ -4465,7 +4465,7 @@ impl<'a, 'b, K, Q: ?Sized, V, S, A: Allocator> EntryRef<'a, 'b, K, Q, V, S, A> {
     }
 }
 
-impl<'a, 'b, K, Q: ?Sized, V: Default, S, A: Allocator> EntryRef<'a, 'b, K, Q, V, S, A> {
+impl<'a, K, Q: ?Sized, V: Default, S, A: Allocator> EntryRef<'a, '_, K, Q, V, S, A> {
     /// Ensures a value is in the entry by inserting the default value if empty,
     /// and returns a mutable reference to the value in the entry.
     ///
diff --git a/src/table.rs b/src/table.rs
index f50f575f6..0eb9d5685 100644
--- a/src/table.rs
+++ b/src/table.rs
@@ -2608,7 +2608,7 @@ pub struct IterMut<'a, T> {
     inner: RawIter<T>,
     marker: PhantomData<&'a mut T>,
 }
-impl<'a, T> IterMut<'a, T> {
+impl<T> IterMut<'_, T> {
     /// Returns a iterator of references over the remaining items.
     #[cfg_attr(feature = "inline-more", inline)]
     pub fn iter(&self) -> Iter<'_, T> {
@@ -2725,7 +2725,7 @@ pub struct UnsafeIter<'a, T> {
     inner: RawIter<T>,
     marker: PhantomData<&'a ()>,
 }
-impl<'a, T> UnsafeIter<'a, T> {
+impl<T> UnsafeIter<'_, T> {
     /// Returns a iterator of references over the remaining items.
     #[cfg_attr(feature = "inline-more", inline)]
     pub fn iter(&self) -> Iter<'_, T> {
@@ -2745,7 +2745,7 @@ impl<T> Default for UnsafeIter<'_, T> {
         }
     }
 }
-impl<'a, T> Iterator for UnsafeIter<'a, T> {
+impl<T> Iterator for UnsafeIter<'_, T> {
     type Item = NonNull<T>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -3110,7 +3110,7 @@ where
 pub struct Drain<'a, T, A: Allocator = Global> {
     inner: RawDrain<'a, T, A>,
 }
-impl<'a, T, A: Allocator> Drain<'a, T, A> {
+impl<T, A: Allocator> Drain<'_, T, A> {
     /// Returns a iterator of references over the remaining items.
     #[cfg_attr(feature = "inline-more", inline)]
     pub fn iter(&self) -> Iter<'_, T> {