diff --git a/marshmallow_jsonapi/__init__.py b/marshmallow_jsonapi/__init__.py
index 16f6e95..c8f7e2e 100755
--- a/marshmallow_jsonapi/__init__.py
+++ b/marshmallow_jsonapi/__init__.py
@@ -1,5 +1,5 @@
 from .schema import Schema, SchemaOpts
 
-__version__ = "0.24.0"
+__version__ = "0.24.1"
 __license__ = "MIT"
 __all__ = ("Schema", "SchemaOpts")
diff --git a/marshmallow_jsonapi/fields.py b/marshmallow_jsonapi/fields.py
index cc54ab2..f147981 100644
--- a/marshmallow_jsonapi/fields.py
+++ b/marshmallow_jsonapi/fields.py
@@ -295,10 +295,6 @@ def _serialize_included(self, value):
         else:
             result = self.schema.dump(value)
 
-        data = result
-
-        item = data["data"]
-        result = self.schema.dump(value)
         item = result["data"]
         self.root.included_data[(item["type"], item["id"])] = item
         for key, value in self.schema.included_data.items():
diff --git a/pyproject.toml b/pyproject.toml
index bfb5fdf..153892c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "marshmallow-jsonapi"
-version = "0.24.0"
+version = "0.24.1"
 description = "marshmallow-jsonapi provides a simple way to produce JSON API-compliant data in any Python web framework."
 authors = ["Your Name <you@example.com>"]
 license = "MIT"