diff --git a/Sources/JSONAPI/SparseFields/SparseFieldset.swift b/Sources/JSONAPI/SparseFields/SparseFieldset.swift
index b326f13..f7fca89 100644
--- a/Sources/JSONAPI/SparseFields/SparseFieldset.swift
+++ b/Sources/JSONAPI/SparseFields/SparseFieldset.swift
@@ -36,15 +36,12 @@ public struct SparseFieldset<
 
 public extension ResourceObject where Description.Attributes: SparsableAttributes {
 
+    /// The `SparseFieldset` type for this `ResourceObject`
+    typealias SparseType = SparseFieldset<Description, MetaType, LinksType, EntityRawIdType>
+
     /// Get a Sparse Fieldset of this `ResourceObject` that can be encoded
     /// as a `SparsePrimaryResource`.
-    func sparse(with fields: [Description.Attributes.CodingKeys]) -> SparseFieldset<Description, MetaType, LinksType, EntityRawIdType> {
+    func sparse(with fields: [Description.Attributes.CodingKeys]) -> SparseType {
         return SparseFieldset(self, fields: fields)
     }
 }
-
-public extension ResourceObject where Description.Attributes: SparsableAttributes {
-
-    /// The `SparseFieldset` type for this `ResourceObject`
-    typealias SparseType = SparseFieldset<Description, MetaType, LinksType, EntityRawIdType>
-}