diff --git a/iam/authmethods/m_smart_link.py b/iam/authmethods/m_smart_link.py
index 8e334bf0..9a5b31a9 100644
--- a/iam/authmethods/m_smart_link.py
+++ b/iam/authmethods/m_smart_link.py
@@ -52,9 +52,7 @@
 
 from contracts.base import check_contract
 from contracts import CheckException
-from enum import unique
 
-@unique
 class SmartLinkErrorCodes:
   AUTH_TOKEN_NOT_FOUND = "AUTH_TOKEN_NOT_FOUND"
   INVALID_USER_ID = "INVALID_USER_ID"
diff --git a/iam/utils.py b/iam/utils.py
index 4657f942..5d09977e 100644
--- a/iam/utils.py
+++ b/iam/utils.py
@@ -39,7 +39,6 @@
 from django.conf import settings
 from django.http import HttpResponse
 from django.utils import timezone
-from enum import unique
 from string import ascii_lowercase, digits, ascii_letters
 from random import choice
 from pipelines import PipeReturnvalue
@@ -62,7 +61,6 @@ def stack_trace_str():
   return "\n".join(stack_trace[:-1]) + "\n" + traceback.format_exc()
 
 
-@unique
 class ErrorCodes:
     BAD_REQUEST = "BAD_REQUEST"
     INVALID_REQUEST = "INVALID_REQUEST"