diff --git a/lrlex/src/lib/ctbuilder.rs b/lrlex/src/lib/ctbuilder.rs
index a0d317a75..1d4bb6a43 100644
--- a/lrlex/src/lib/ctbuilder.rs
+++ b/lrlex/src/lib/ctbuilder.rs
@@ -98,7 +98,7 @@ where
     regex_options: RegexOptions,
 }
 
-impl<'a> CTLexerBuilder<'a, DefaultLexerTypes<u32>> {
+impl CTLexerBuilder<'_, DefaultLexerTypes<u32>> {
     /// Create a new [CTLexerBuilder].
     pub fn new() -> Self {
         CTLexerBuilder::<DefaultLexerTypes<u32>>::new_with_lexemet()
diff --git a/lrpar/src/lib/parser.rs b/lrpar/src/lib/parser.rs
index d6a1ca241..66a423b2f 100644
--- a/lrpar/src/lib/parser.rs
+++ b/lrpar/src/lib/parser.rs
@@ -1050,7 +1050,7 @@ pub(crate) mod test {
         s: &'input str,
     }
 
-    impl<'input> Lexer<TestLexerTypes> for SmallLexer<'input> {
+    impl Lexer<TestLexerTypes> for SmallLexer<'_> {
         fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = Result<TestLexeme, TestLexError>> + 'a> {
             Box::new(self.lexemes.iter().map(|x| Ok(*x)))
         }
diff --git a/lrtable/src/lib/statetable.rs b/lrtable/src/lib/statetable.rs
index c809d1637..37fdf269f 100644
--- a/lrtable/src/lib/statetable.rs
+++ b/lrtable/src/lib/statetable.rs
@@ -503,7 +503,7 @@ pub struct StateActionsIterator<'a, StorageT> {
     phantom: PhantomData<StorageT>,
 }
 
-impl<'a, StorageT: 'static + PrimInt + Unsigned> Iterator for StateActionsIterator<'a, StorageT>
+impl<StorageT: 'static + PrimInt + Unsigned> Iterator for StateActionsIterator<'_, StorageT>
 where
     usize: AsPrimitive<StorageT>,
 {
@@ -522,7 +522,7 @@ pub struct CoreReducesIterator<'a, StorageT> {
     phantom: PhantomData<StorageT>,
 }
 
-impl<'a, StorageT: 'static + PrimInt + Unsigned> Iterator for CoreReducesIterator<'a, StorageT>
+impl<StorageT: 'static + PrimInt + Unsigned> Iterator for CoreReducesIterator<'_, StorageT>
 where
     usize: AsPrimitive<StorageT>,
 {