diff --git a/layouts/src/layout/sum.rs b/layouts/src/layout/sum.rs
index 7d115b24..ae609c3d 100644
--- a/layouts/src/layout/sum.rs
+++ b/layouts/src/layout/sum.rs
@@ -5,9 +5,6 @@ use crate::{Dataset, Ref, ValueFormat};
 
 use super::LayoutType;
 
-pub mod deserialization;
-pub mod serialization;
-
 pub struct SumLayoutType;
 
 #[derive(Debug, Clone, Educe, serde::Serialize, serde::Deserialize)]
diff --git a/layouts/src/layout/sum/deserialization.rs b/layouts/src/layout/sum/deserialization.rs
deleted file mode 100644
index 86c3e11a..00000000
--- a/layouts/src/layout/sum/deserialization.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-use std::collections::HashMap;
-
-use crate::utils::DetAutomaton;
-
-use super::SumLayout;
-
-impl<R> SumLayout<R> {
-	pub fn deserialization_discriminants(&self) -> Vec<Discriminants> {
-		todo!()
-	}
-}
-
-pub struct Discriminants(Vec<Discriminant>);
-
-pub enum Discriminant {
-	Literal(LiteralDiscriminant),
-	Record(RecordDiscriminant),
-	List(ListDiscriminant),
-	Any,
-}
-
-pub struct LiteralDiscriminant {
-	/// Automaton recognizing the literal value.
-	pub automaton: DetAutomaton<usize>,
-}
-
-pub struct RecordDiscriminant {
-	pub fields: HashMap<String, Discriminant>,
-}
-
-pub enum ListDiscriminant {
-	Sized(SizedListDiscriminant),
-	UnsizedListDiscriminant(UnsizedListDiscriminant),
-}
-
-pub struct SizedListDiscriminant {
-	pub items: Vec<Discriminant>,
-}
-
-pub struct UnsizedListDiscriminant {
-	pub item: Box<Discriminant>,
-}
diff --git a/layouts/src/layout/sum/serialization.rs b/layouts/src/layout/sum/serialization.rs
deleted file mode 100644
index 7eb75646..00000000
--- a/layouts/src/layout/sum/serialization.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use std::collections::HashMap;
-
-use crate::{graph::Dataset, utils::DetAutomaton};
-
-use super::SumLayout;
-
-impl<R> SumLayout<R> {
-	pub fn serialization_discriminants(&self) -> Vec<Discriminants<R>> {
-		todo!()
-	}
-}
-
-pub type Discriminants<R> = Vec<Discriminant<R>>;
-
-pub struct Discriminant<R> {
-	/// Variable bindings.
-	pub bindings: HashMap<u32, Constraints>,
-
-	/// Matching dataset.
-	pub dataset: Dataset<R>,
-}
-
-pub struct Constraints {
-	pub iri: IriConstraints,
-	pub literal: LiteralConstraints,
-}
-
-pub struct IriConstraints {
-	/// Automaton recognizing the IRI representation of the resource.
-	pub automaton: Option<DetAutomaton<usize>>,
-}
-
-pub struct LiteralConstraints {
-	/// Automaton recognizing the literal representation of the resource.
-	pub automaton: Option<DetAutomaton<usize>>,
-}