diff --git a/src/ast/compiler/bound_nodes.rs b/src/ast/compiler/bound_nodes.rs
index b985361..867206d 100644
--- a/src/ast/compiler/bound_nodes.rs
+++ b/src/ast/compiler/bound_nodes.rs
@@ -278,192 +278,6 @@ impl<P: CompilerPhase> Clone for Box<dyn BoundExtension<P>> {
     }
 }
 
-#[derive(Debug)]
-pub enum BoundKind<P: CompilerPhase = BoundPhase> {
-    Nop,
-    Constant(Value),
-    Get {
-        addr: Address<P::LocalAddress>,
-        name: Symbol,
-    },
-    Set {
-        addr: Address<P::LocalAddress>,
-        value: Rc<Node<P>>,
-    },
-    Define {
-        name: Symbol,
-        addr: Address<P::LocalAddress>,
-        kind: DeclarationKind,
-        value: Rc<Node<P>>,
-        captured_by: Vec<Identity>,
-    },
-    FieldAccessor(crate::ast::types::Keyword),
-    GetField {
-        rec: Rc<Node<P>>,
-        field: crate::ast::types::Keyword,
-    },
-    If {
-        cond: Rc<Node<P>>,
-        then_br: Rc<Node<P>>,
-        else_br: Option<Rc<Node<P>>>,
-    },
-    Destructure {
-        pattern: Rc<Node<P>>,
-        value: Rc<Node<P>>,
-    },
-    Lambda {
-        params: Rc<Node<P>>,
-        upvalues: Vec<Address<P::LocalAddress>>,
-        body: Rc<Node<P>>,
-        positional_count: Option<u32>,
-    },
-    Call {
-        callee: Rc<Node<P>>,
-        args: Rc<Node<P>>,
-    },
-    Again {
-        args: Rc<Node<P>>,
-    },
-    Pipe {
-        inputs: Vec<Rc<Node<P>>>,
-        lambda: Rc<Node<P>>,
-        out_type: crate::ast::types::StaticType,
-    },
-    Block {
-        exprs: Vec<Rc<Node<P>>>,
-    },
-    Tuple {
-        elements: Vec<Rc<Node<P>>>,
-    },
-    Record {
-        layout: std::sync::Arc<crate::ast::types::RecordLayout>,
-        values: Vec<Rc<Node<P>>>,
-    },
-    Expansion {
-        original_call: Rc<crate::ast::nodes::SyntaxNode>,
-        bound_expanded: Rc<Node<P>>,
-    },
-    Error,
-    Extension(Box<dyn BoundExtension<P>>),
-}
-
-impl<P: CompilerPhase> Clone for BoundKind<P> {
-    fn clone(&self) -> Self {
-        match self {
-            BoundKind::Nop => BoundKind::Nop,
-            BoundKind::Constant(v) => BoundKind::Constant(v.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 },
-            BoundKind::Call { callee, args } => BoundKind::Call { callee: callee.clone(), args: args.clone() },
-            BoundKind::Again { args } => BoundKind::Again { args: args.clone() },
-            BoundKind::Pipe { inputs, lambda, out_type } => BoundKind::Pipe { inputs: inputs.clone(), lambda: lambda.clone(), out_type: out_type.clone() },
-            BoundKind::Block { exprs } => BoundKind::Block { exprs: exprs.clone() },
-            BoundKind::Tuple { elements } => BoundKind::Tuple { elements: elements.clone() },
-            BoundKind::Record { layout, values } => BoundKind::Record { layout: layout.clone(), values: values.clone() },
-            BoundKind::Expansion { original_call, bound_expanded } => BoundKind::Expansion { original_call: original_call.clone(), bound_expanded: bound_expanded.clone() },
-            BoundKind::Error => BoundKind::Error,
-            BoundKind::Extension(ext) => BoundKind::Extension(ext.clone()),
-        }
-    }
-}
-
-impl<P: CompilerPhase> PartialEq for BoundKind<P> {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (BoundKind::Nop, BoundKind::Nop) => true,
-            (BoundKind::Constant(a), BoundKind::Constant(b)) => a == b,
-            (BoundKind::Get { addr: aa, name: na }, BoundKind::Get { addr: ab, name: nb }) => {
-                aa == ab && na == nb
-            }
-            (BoundKind::Set { addr: aa, value: va }, BoundKind::Set { addr: ab, value: vb }) => {
-                aa == ab && Rc::ptr_eq(va, vb)
-            }
-            (BoundKind::Define { name: na, addr: aa, kind: ka, value: va, captured_by: ca }, BoundKind::Define { name: nb, addr: ab, kind: kb, value: vb, captured_by: cb }) => {
-                na == nb && aa == ab && ka == kb && Rc::ptr_eq(va, vb) && ca == cb
-            }
-            (BoundKind::FieldAccessor(a), BoundKind::FieldAccessor(b)) => a == b,
-            (BoundKind::GetField { rec: ra, field: fa }, BoundKind::GetField { rec: rb, field: fb }) => {
-                Rc::ptr_eq(ra, rb) && fa == fb
-            }
-            (BoundKind::If { cond: ca, then_br: ta, else_br: ea }, BoundKind::If { cond: cb, then_br: tb, else_br: eb }) => {
-                Rc::ptr_eq(ca, cb) && Rc::ptr_eq(ta, tb) && match (ea, eb) {
-                    (Some(a), Some(b)) => Rc::ptr_eq(a, b),
-                    (None, None) => true,
-                    _ => false,
-                }
-            }
-            (BoundKind::Destructure { pattern: pa, value: va }, BoundKind::Destructure { pattern: pb, value: vb }) => {
-                Rc::ptr_eq(pa, pb) && Rc::ptr_eq(va, vb)
-            }
-            (BoundKind::Lambda { params: pa, upvalues: ua, body: ba, positional_count: pca }, BoundKind::Lambda { params: pb, upvalues: ub, body: bb, positional_count: pcb }) => {
-                Rc::ptr_eq(pa, pb) && ua == ub && Rc::ptr_eq(ba, bb) && pca == pcb
-            }
-            (BoundKind::Call { callee: ca, args: aa }, BoundKind::Call { callee: cb, args: ab }) => {
-                Rc::ptr_eq(ca, cb) && Rc::ptr_eq(aa, ab)
-            }
-            (BoundKind::Again { args: aa }, BoundKind::Again { args: ab }) => Rc::ptr_eq(aa, ab),
-            (BoundKind::Block { exprs: ea }, BoundKind::Block { exprs: eb }) => {
-                ea.len() == eb.len() && ea.iter().zip(eb.iter()).all(|(a, b)| Rc::ptr_eq(a, b))
-            }
-            (BoundKind::Tuple { elements: ea }, BoundKind::Tuple { elements: eb }) => {
-                ea.len() == eb.len() && ea.iter().zip(eb.iter()).all(|(a, b)| Rc::ptr_eq(a, b))
-            }
-            (BoundKind::Record { layout: la, values: va }, BoundKind::Record { layout: lb, values: vb }) => {
-                std::sync::Arc::ptr_eq(la, lb) && va.len() == vb.len() && va.iter().zip(vb.iter()).all(|(a, b)| Rc::ptr_eq(a, b))
-            }
-            (BoundKind::Expansion { original_call: ca, bound_expanded: ea }, BoundKind::Expansion { original_call: cb, bound_expanded: eb }) => {
-                Rc::ptr_eq(ca, cb) && Rc::ptr_eq(ea, eb)
-            }
-            (BoundKind::Error, BoundKind::Error) => true,
-            _ => false,
-        }
-    }
-}
-
-impl<P: CompilerPhase> BoundKind<P> {
-    pub fn display_name(&self) -> String {
-        match self {
-            BoundKind::Nop => "NOP".to_string(),
-            BoundKind::Constant(v) => format!("CONST({})", v),
-            BoundKind::Get { addr, name } => format!("GET({}, {:?})", name.name, addr),
-            BoundKind::Set { addr, .. } => format!("SET({:?})", addr),
-            BoundKind::Define { name, addr, kind, .. } => {
-                let k_str = match kind {
-                    DeclarationKind::Variable => "VAR",
-                    DeclarationKind::Parameter => "PARAM",
-                };
-                format!("DEF_{}({}, {:?})", k_str, name.name, addr)
-            }
-            BoundKind::FieldAccessor(k) => format!("FIELD_ACCESSOR(.{})", k.name()),
-            BoundKind::GetField { field, .. } => format!("GET_FIELD(.{})", field.name()),
-            BoundKind::If { .. } => "IF".to_string(),
-            BoundKind::Destructure { .. } => "DESTRUCTURE".to_string(),
-            BoundKind::Lambda { params, upvalues, .. } => {
-                let p_str = match &params.kind {
-                    NodeKind::Tuple { elements } => format!("p:{}", elements.len()),
-                    _ => "p:1".to_string(),
-                };
-                format!("LAMBDA({}, Captures:{})", p_str, upvalues.len())
-            }
-            BoundKind::Call { .. } => "CALL".to_string(),
-            BoundKind::Again { .. } => "AGAIN".to_string(),
-            BoundKind::Pipe { .. } => "PIPE".to_string(),
-            BoundKind::Block { .. } => "BLOCK".to_string(),
-            BoundKind::Tuple { elements } => format!("TUPLE({})", elements.len()),
-            BoundKind::Record { values, .. } => format!("RECORD({})", values.len()),
-            BoundKind::Expansion { .. } => "EXPANSION".to_string(),
-            BoundKind::Extension(ext) => ext.display_name(),
-            BoundKind::Error => "ERROR".to_string(),
-        }
-    }
-}
-
 // ── NodeKind<P>: Unified AST node kind ─────────────────────────────────────────
 
 /// A key-value pair in a record literal: `(key_node, value_node)`.