diff --git a/builder/py/retrobuilder/loader.py b/builder/py/retrobuilder/loader.py
index d8ab8f4..0662ffd 100644
--- a/builder/py/retrobuilder/loader.py
+++ b/builder/py/retrobuilder/loader.py
@@ -4,6 +4,7 @@ import importlib.util
 from pathlib import Path
 from types import ModuleType
 from typing import Any
+from dataclasses import asdict
 
 from retrobuilder.model import BaseSpec, FeatureSpec, ProfileSpec
 from retrobuilder.paths import base_dir, feature_dir, profile_file
@@ -70,7 +71,16 @@ def load_module_chain(root: Path, kind: str, name: str):
 def resolve_module_config(root: Path, kind: str, name: str) -> dict[str, Any]:
     merged: dict[str, Any] = {}
     for _name, spec in load_module_chain(root, kind, name):
-        merged.update(spec.config)
+        data = asdict(spec)
+
+        data.pop("description", None)
+        data.pop("parent", None)
+        data.pop("docker_overrides", None)
+        extra = data.pop("config", {}) or {}
+
+        merged.update(data)
+        merged.update(extra)
+
     return merged