diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index 811ae6a8..6d2283f9 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -1990,7 +1990,7 @@ impl MapChain<'_, Cow<'_, str>, LocalMeta> {
     }
 }
 
-impl<'a, K: Eq + hash::Hash, V> Default for MapChain<'a, K, V> {
+impl<K: Eq + hash::Hash, V> Default for MapChain<'_, K, V> {
     fn default() -> Self {
         Self {
             parent: None,
diff --git a/askama_parser/src/lib.rs b/askama_parser/src/lib.rs
index c5e4bb44..09218aa2 100644
--- a/askama_parser/src/lib.rs
+++ b/askama_parser/src/lib.rs
@@ -279,7 +279,7 @@ fn skip_till<'a, O>(
     }
 }
 
-fn keyword<'a>(k: &'a str) -> impl FnMut(&'a str) -> ParseResult<'_> {
+fn keyword<'a>(k: &'a str) -> impl FnMut(&'a str) -> ParseResult<'a> {
     move |i: &'a str| -> ParseResult<'a> {
         let (j, v) = identifier(i)?;
         if k == v {
diff --git a/testing/tests/methods.rs b/testing/tests/methods.rs
index 09f91e6b..b9c8942c 100644
--- a/testing/tests/methods.rs
+++ b/testing/tests/methods.rs
@@ -6,7 +6,7 @@ struct SelfMethodTemplate<'a> {
     s: &'a str,
 }
 
-impl<'a> SelfMethodTemplate<'a> {
+impl SelfMethodTemplate<'_> {
     fn get_s(&self) -> &str {
         self.s
     }
@@ -40,7 +40,7 @@ struct NestedSelfMethodTemplate<'a> {
     t: SelfMethodTemplate<'a>,
 }
 
-impl<'a> NestedSelfMethodTemplate<'a> {
+impl NestedSelfMethodTemplate<'_> {
     fn get_s(&self) -> &str {
         "bar"
     }