diff --git a/src/ast/compiler/bound_nodes.rs b/src/ast/compiler/bound_nodes.rs
index 2c8eeb1..dbbb81c 100644
--- a/src/ast/compiler/bound_nodes.rs
+++ b/src/ast/compiler/bound_nodes.rs
@@ -239,11 +239,11 @@ impl<P: CompilerPhase> Clone for BoundKind<P> {
         match self {
             BoundKind::Nop => BoundKind::Nop,
             BoundKind::Constant(v) => BoundKind::Constant(v.clone()),
-            BoundKind::Get { addr, name } => BoundKind::Get { addr: addr.clone(), name: name.clone() },
-            BoundKind::Set { addr, value } => BoundKind::Set { addr: addr.clone(), value: value.clone() },
-            BoundKind::Define { name, addr, kind, value, captured_by } => BoundKind::Define { name: name.clone(), addr: addr.clone(), kind: *kind, value: value.clone(), captured_by: captured_by.clone() },
-            BoundKind::FieldAccessor(k) => BoundKind::FieldAccessor(k.clone()),
-            BoundKind::GetField { rec, field } => BoundKind::GetField { rec: rec.clone(), field: field.clone() },
+            BoundKind::Get { addr, name } => BoundKind::Get { addr: *addr, name: name.clone() },
+            BoundKind::Set { addr, value } => BoundKind::Set { addr: *addr, value: value.clone() },
+            BoundKind::Define { name, addr, kind, value, captured_by } => BoundKind::Define { name: name.clone(), addr: *addr, kind: *kind, value: value.clone(), captured_by: captured_by.clone() },
+            BoundKind::FieldAccessor(k) => BoundKind::FieldAccessor(*k),
+            BoundKind::GetField { rec, field } => BoundKind::GetField { rec: rec.clone(), field: *field },
             BoundKind::If { cond, then_br, else_br } => BoundKind::If { cond: cond.clone(), then_br: then_br.clone(), else_br: else_br.clone() },
             BoundKind::Destructure { pattern, value } => BoundKind::Destructure { pattern: pattern.clone(), value: value.clone() },
             BoundKind::Lambda { params, upvalues, body, positional_count } => BoundKind::Lambda { params: params.clone(), upvalues: upvalues.clone(), body: body.clone(), positional_count: *positional_count },
diff --git a/src/ast/vm.rs b/src/ast/vm.rs
index 16e32d9..f7b112d 100644
--- a/src/ast/vm.rs
+++ b/src/ast/vm.rs
@@ -352,7 +352,7 @@ impl VM {
             }
             BoundKind::Get { addr, .. } => self.get_value(*addr),
 
-            BoundKind::FieldAccessor(k) => Ok(Value::FieldAccessor(k.clone())),
+            BoundKind::FieldAccessor(k) => Ok(Value::FieldAccessor(*k)),
 
             BoundKind::GetField { rec, field } => {
                 let rec_val = self.eval_internal(obs, rec)?;
@@ -372,16 +372,15 @@ impl VM {
                         {
                             if let Some(field_series) = record_series.field(*field) {
                                 let view =
-                                    crate::ast::rtl::series::SeriesView::new(field_series, field.clone());
-                                return Ok(Value::Object(std::rc::Rc::new(view)));
-                            } else {
+                                   crate::ast::rtl::series::SeriesView::new(field_series, *field);
+                                return Ok(Value::Object(std::rc::Rc::new(view)));                            } else {
                                 return Err(format!(
                                     "RecordSeries does not have field :{}",
                                     field.name()
                                 ));
                             }
                         } else if let Some(sn) = obj.as_any().downcast_ref::<crate::ast::rtl::streams::StreamNode>() {
-                            let mapped = crate::ast::rtl::streams::build_map_stream(sn.inner.clone(), field.clone());
+                            let mapped = crate::ast::rtl::streams::build_map_stream(sn.inner.clone(), *field);
                             return Ok(Value::Object(Rc::new(mapped)));
                         }
                         Err(format!(