diff --git a/dust-lang/src/value.rs b/dust-lang/src/value.rs
index c9a1899..c0fdcde 100644
--- a/dust-lang/src/value.rs
+++ b/dust-lang/src/value.rs
@@ -557,7 +557,7 @@ pub struct Function {
 impl Function {
     pub fn call(
         self,
-        type_arguments: Option<Vec<Type>>,
+        _type_arguments: Option<Vec<Type>>,
         value_arguments: Option<Vec<Value>>,
         variables: &HashMap<Identifier, Value>,
     ) -> Result<Option<Value>, VmError<()>> {
diff --git a/dust-lang/src/vm.rs b/dust-lang/src/vm.rs
index 5d3c76f..314b8fd 100644
--- a/dust-lang/src/vm.rs
+++ b/dust-lang/src/vm.rs
@@ -94,7 +94,7 @@ impl<P: Copy> Vm<P> {
                 type_arguments: _,
                 value_arguments: value_nodes,
             } => {
-                let mut values = if let Some(nodes) = value_nodes {
+                let values = if let Some(nodes) = value_nodes {
                     let mut values = Vec::new();
 
                     for node in nodes {
@@ -119,7 +119,7 @@ impl<P: Copy> Vm<P> {
             Statement::Constant(value) => Ok(Some(value.clone())),
             Statement::FunctionCall {
                 function: function_node,
-                type_arguments: type_parameter_nodes,
+                type_arguments: _,
                 value_arguments: value_parameter_nodes,
             } => {
                 let function_position = function_node.position;
@@ -208,8 +208,8 @@ impl<P: Copy> Vm<P> {
                     value,
                     Statement::BuiltInFunctionCall {
                         function,
-                        type_arguments,
-                        value_arguments: mut value_argument_nodes,
+                        type_arguments: _,
+                        value_arguments: value_argument_nodes,
                     },
                 ) = (left_value, right.statement)
                 {