diff --git a/lib/resource_registry.rb b/lib/resource_registry.rb
index 7140e1e..10df094 100644
--- a/lib/resource_registry.rb
+++ b/lib/resource_registry.rb
@@ -10,8 +10,6 @@
 require 'public/versions/version'
 require 'schema_registry/json_schema_mapper'
 require 'schema_registry/maybe'
-require 'schema_registry/maybe/absent'
-require 'schema_registry/maybe/present'
 require 'runtime_generic'
 
 # Entry point for ResourceRegistry
diff --git a/spec/resource_struct_builder_spec.rb b/spec/resource_struct_builder_spec.rb
index d67f6c3..5901cb9 100644
--- a/spec/resource_struct_builder_spec.rb
+++ b/spec/resource_struct_builder_spec.rb
@@ -24,9 +24,9 @@ class NestedValueObjectDto < T::Struct
 
       class SimpleMaybeDto < T::Struct
         const :basic, String
-        const :absent, Maybe[T.nilable(String)], default: Maybe.empty
-        const :present, Maybe[T.nilable(Integer)], default: Maybe.empty
-        const :integer, Maybe[Integer], default: Maybe.empty
+        const :absent, Maybe[T.nilable(String)]
+        const :present, Maybe[T.nilable(Integer)]
+        const :integer, Maybe[Integer]
       end
 
       class ArrayDto < T::Struct