diff --git a/datalayer/handlers.py b/datalayer/handlers.py
index 7b13349..e24145c 100644
--- a/datalayer/handlers.py
+++ b/datalayer/handlers.py
@@ -7,8 +7,6 @@
 from jupyter_server.base.handlers import APIHandler, JupyterHandler
 from jupyter_server.extension.handler import ExtensionHandlerMixin, ExtensionHandlerJinjaMixin
 
-from genson import SchemaBuilder
-
 
 # pylint: disable=W0223
 class BaseTemplateHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler):
diff --git a/pyproject.toml b/pyproject.toml
index 27d4984..1d6586c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,6 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
 ]
 dependencies = [
-    "genson",
     "jupyter_server>=2,<3",
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]
diff --git a/src/widget.tsx b/src/widget.tsx
index cecd22b..5bb1244 100644
--- a/src/widget.tsx
+++ b/src/widget.tsx
@@ -1,6 +1,6 @@
 import { ReactWidget } from '@jupyterlab/apputils';
 
-import DemoComponent from './component/Datalayer';
+import Datalayer from './components/Datalayer';
 
 export class CounterWidget extends ReactWidget {
   constructor() {
@@ -9,6 +9,6 @@ export class CounterWidget extends ReactWidget {
   }
 
   render(): JSX.Element {
-    return <DemoComponent />;
+    return <Datalayer />;
   }
 }