diff --git a/crates/aiken-lang/src/parser.rs b/crates/aiken-lang/src/parser.rs
index 7e53e04b..b41545a3 100644
--- a/crates/aiken-lang/src/parser.rs
+++ b/crates/aiken-lang/src/parser.rs
@@ -375,7 +375,7 @@ fn constant_value_parser() -> impl Parser<Token, ast::UntypedConstant, Error = P
         let constant_bytearray_hexstring_parser =
             just(Token::Hash)
                 .ignore_then(select! {Token::String {value} => value}.validate(
-                    |value, span, emit| match hex::decode(&value) {
+                    |value, span, emit| match hex::decode(value) {
                         Ok(bytes) => bytes,
                         Err(_) => {
                             emit(ParseError::malformed_base16_string_literal(span));
diff --git a/crates/aiken-lang/src/uplc.rs b/crates/aiken-lang/src/uplc.rs
index d9be2d3e..c48bb0e4 100644
--- a/crates/aiken-lang/src/uplc.rs
+++ b/crates/aiken-lang/src/uplc.rs
@@ -1153,7 +1153,7 @@ impl<'a> CodeGenerator<'a> {
                 for (name, index) in names.clone() {
                     if let Some(defined_index) = defined_indices
                         .iter()
-                        .find(|(defined_index, _)| *defined_index as usize == index)
+                        .find(|(defined_index, _)| *defined_index == index)
                     {
                         previous_defined_names.push(defined_index.clone());
                     } else {