diff --git a/authentik/managed/api.py b/authentik/managed/api.py
index d519c38e5..a3e8196c5 100644
--- a/authentik/managed/api.py
+++ b/authentik/managed/api.py
@@ -1,10 +1,8 @@
 """Serializer mixin for managed models"""
 from rest_framework.fields import CharField
 
-from authentik.core.api.utils import PassiveSerializer
 
-
-class ManagedSerializer(PassiveSerializer):
+class ManagedSerializer:
     """Managed Serializer"""
 
     managed = CharField(read_only=True, allow_null=True)