diff --git a/crates/aiken-lang/src/gen_uplc/builder.rs b/crates/aiken-lang/src/gen_uplc/builder.rs
index fc2bdffe..a52bb5af 100644
--- a/crates/aiken-lang/src/gen_uplc/builder.rs
+++ b/crates/aiken-lang/src/gen_uplc/builder.rs
@@ -1675,7 +1675,7 @@ pub fn check_replaceable_opaque_type(
 pub fn replace_opaque_type(t: &mut Arc<Type>, data_types: &IndexMap<DataTypeKey, &TypedDataType>) {
     if check_replaceable_opaque_type(t, data_types) && matches!(&**t, Type::App { .. }) {
         let data_type = lookup_data_type_by_tipo(data_types, t).unwrap();
-        let new_type_fields = data_type.typed_parameters.clone();
+        let new_type_fields = data_type.typed_parameters;
 
         let mut mono_types: IndexMap<u64, Arc<Type>> = IndexMap::new();
 
diff --git a/crates/aiken-lang/src/tipo/pattern.rs b/crates/aiken-lang/src/tipo/pattern.rs
index a6c3dada..314be952 100644
--- a/crates/aiken-lang/src/tipo/pattern.rs
+++ b/crates/aiken-lang/src/tipo/pattern.rs
@@ -1,5 +1,5 @@
-///! Type inference and checking of patterns used in case expressions
-///! and variables bindings.
+//! Type inference and checking of patterns used in case expressions
+//! and variables bindings.
 use std::{
     collections::{HashMap, HashSet},
     ops::Deref,
diff --git a/crates/aiken-project/src/blueprint/validator.rs b/crates/aiken-project/src/blueprint/validator.rs
index ff252619..2a28f701 100644
--- a/crates/aiken-project/src/blueprint/validator.rs
+++ b/crates/aiken-project/src/blueprint/validator.rs
@@ -184,7 +184,7 @@ mod test {
     use std::collections::HashMap;
 
     use aiken_lang::{self, builtins};
-    use uplc::ast::{self as uplc_ast};
+    use uplc::ast as uplc_ast;
 
     use crate::tests::TestProject;