diff --git a/invenio/plugin/custom_invenio_plugin/__init__.py b/invenio/plugin/custom_invenio_plugin/__init__.py
index c291e4e..268ce22 100644
--- a/invenio/plugin/custom_invenio_plugin/__init__.py
+++ b/invenio/plugin/custom_invenio_plugin/__init__.py
@@ -1,8 +1,23 @@
+from flask import redirect
+
+
 def init_app(app):
     """Initialize application."""
     from . import views
 
-    app.register_blueprint(views.blueprint)
-    app.before_first_request(views.init_main_menu)
+    @app.route("/redirect-to-amdmodel")
+    def redirect_to_amdmodel():
+        """Redirect to the AM-D-Model website."""
+        return redirect("https://am-d-model.eu")
+
+    @app.before_first_request
+    def init_main_menu():
+        from flask_menu import current_menu
+
+        current_menu.submenu("main").register(
+            "custom_invenio_plugin.redirect_to_amdmodel",
+            text="About AM-D-Model",
+            order=0,
+        )
 
     return app
diff --git a/invenio/plugin/custom_invenio_plugin/views.py b/invenio/plugin/custom_invenio_plugin/views.py
deleted file mode 100644
index ff25494..0000000
--- a/invenio/plugin/custom_invenio_plugin/views.py
+++ /dev/null
@@ -1,22 +0,0 @@
-from flask import Blueprint, redirect
-
-blueprint = Blueprint(
-    "custom_invenio_plugin",
-    __name__,
-)
-
-
-def init_main_menu():
-    from flask_menu import current_menu
-
-    current_menu.submenu("main").register(
-        "custom_invenio_plugin.redirect_to_amdmodel",
-        text="About AM-D-Model",
-        order=0,
-    )
-
-
-@blueprint.route("/redirect-to-amdmodel")
-def redirect_to_amdmodel():
-    """Redirect to the AM-D-Model website."""
-    return redirect("https://am-d-model.eu")