diff --git a/apps/assets/const/category.py b/apps/assets/const/category.py
index 9ccbb134e..8c4d387d8 100644
--- a/apps/assets/const/category.py
+++ b/apps/assets/const/category.py
@@ -12,7 +12,6 @@ class Category(ChoicesMixin, models.TextChoices):
     DATABASE = 'database', _("Database")
     CLOUD = 'cloud', _("Cloud service")
     WEB = 'web', _("Web")
-    GPT = 'gpt', "GPT"
     CUSTOM = 'custom', _("Custom type")
 
     @classmethod
diff --git a/apps/assets/const/types.py b/apps/assets/const/types.py
index b97aa0a3c..b03f22d12 100644
--- a/apps/assets/const/types.py
+++ b/apps/assets/const/types.py
@@ -155,10 +155,7 @@ class AllTypes(ChoicesMixin):
         choices = cls.serialize_to_objs(Category.choices)
         mapper = dict(cls.grouped_choices())
         for choice in choices:
-            choices = mapper.get(choice['value'])
-            if not choices:
-                continue
-            children = cls.serialize_to_objs(choices)
+            children = cls.serialize_to_objs(mapper[choice['value']])
             choice['children'] = children
         return choices