diff --git a/src/de.rs b/src/de.rs
index bd6f2e50c..7959a6635 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -1378,7 +1378,7 @@ macro_rules! check_recursion {
     };
 }
 
-impl<'de, 'a, R: Read<'de>> de::Deserializer<'de> for &'a mut Deserializer<R> {
+impl<'de, R: Read<'de>> de::Deserializer<'de> for &mut Deserializer<R> {
     type Error = Error;
 
     #[inline]
diff --git a/src/map.rs b/src/map.rs
index 49265c3fe..90da86fed 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -415,7 +415,7 @@ impl Hash for Map<String, Value> {
 /// }
 /// # ;
 /// ```
-impl<'a, Q> ops::Index<&'a Q> for Map<String, Value>
+impl<Q> ops::Index<&Q> for Map<String, Value>
 where
     String: Borrow<Q>,
     Q: ?Sized + Ord + Eq + Hash,
@@ -438,7 +438,7 @@ where
 /// #
 /// map["key"] = json!("value");
 /// ```
-impl<'a, Q> ops::IndexMut<&'a Q> for Map<String, Value>
+impl<Q> ops::IndexMut<&Q> for Map<String, Value>
 where
     String: Borrow<Q>,
     Q: ?Sized + Ord + Eq + Hash,
diff --git a/src/number.rs b/src/number.rs
index b0863ed84..3ba0846a3 100644
--- a/src/number.rs
+++ b/src/number.rs
@@ -609,7 +609,7 @@ impl<'de> Deserializer<'de> for Number {
     }
 }
 
-impl<'de, 'a> Deserializer<'de> for &'a Number {
+impl<'de> Deserializer<'de> for &Number {
     type Error = Error;
 
     deserialize_any!(ref);
diff --git a/src/read.rs b/src/read.rs
index b84ec223a..a3aa5d164 100644
--- a/src/read.rs
+++ b/src/read.rs
@@ -751,9 +751,9 @@ impl<'a> Read<'a> for StrRead<'a> {
 
 //////////////////////////////////////////////////////////////////////////////
 
-impl<'a, 'de, R> private::Sealed for &'a mut R where R: Read<'de> {}
+impl<'de, R> private::Sealed for &mut R where R: Read<'de> {}
 
-impl<'a, 'de, R> Read<'de> for &'a mut R
+impl<'de, R> Read<'de> for &mut R
 where
     R: Read<'de>,
 {
diff --git a/src/value/index.rs b/src/value/index.rs
index c56135b33..4e41a39be 100644
--- a/src/value/index.rs
+++ b/src/value/index.rs
@@ -137,7 +137,7 @@ mod private {
     impl Sealed for usize {}
     impl Sealed for str {}
     impl Sealed for alloc::string::String {}
-    impl<'a, T> Sealed for &'a T where T: ?Sized + Sealed {}
+    impl<T> Sealed for &T where T: ?Sized + Sealed {}
 }
 
 /// Used in panic messages.