diff --git a/src/lazy/text/buffer.rs b/src/lazy/text/buffer.rs
index 13799a56..25e0506b 100644
--- a/src/lazy/text/buffer.rs
+++ b/src/lazy/text/buffer.rs
@@ -2093,7 +2093,7 @@ where
 }
 
 pub fn incomplete_is_ok<'data, P>(
-    mut parser: P,
+    parser: P,
 ) -> impl Parser<TextBuffer<'data>, TextBuffer<'data>, IonParseError<'data>>
 where
     P: Parser<TextBuffer<'data>, TextBuffer<'data>, IonParseError<'data>>,
diff --git a/src/lazy/text/parse_result.rs b/src/lazy/text/parse_result.rs
index 7569b618..767ae04b 100644
--- a/src/lazy/text/parse_result.rs
+++ b/src/lazy/text/parse_result.rs
@@ -141,7 +141,7 @@ pub struct UnrecognizedInputError {
     winnow_error_kind: Option<ErrorKind>,
 }
 
-impl<'data> UnrecognizedInputError {
+impl UnrecognizedInputError {
     fn new() -> Self {
         Self {
             winnow_error_kind: None,