diff --git a/apps/common/mixins/api.py b/apps/common/mixins/api.py
index c49535ad6..bbabe9951 100644
--- a/apps/common/mixins/api.py
+++ b/apps/common/mixins/api.py
@@ -35,7 +35,6 @@ class SerializerMixin:
                 serializer_class = self.serializer_classes.get(
                     self.action, self.serializer_classes.get('default')
                 )
-        print(serializer_class)
         if serializer_class:
             return serializer_class
         return super().get_serializer_class()
diff --git a/apps/perms/api/user_permission/common.py b/apps/perms/api/user_permission/common.py
index 6af3bb6ba..17900a6bc 100644
--- a/apps/perms/api/user_permission/common.py
+++ b/apps/perms/api/user_permission/common.py
@@ -5,7 +5,7 @@ import uuid
 from django.shortcuts import get_object_or_404
 from rest_framework.views import APIView, Response
 from rest_framework.generics import (
-    ListAPIView, get_object_or_404, RetrieveAPIView
+    ListAPIView, get_object_or_404, RetrieveAPIView, DestroyAPIView
 )
 
 from common.permissions import IsOrgAdminOrAppUser, IsOrgAdmin
@@ -25,6 +25,7 @@ __all__ = [
     'UserGrantedAssetSystemUsersApi',
     'ValidateUserAssetPermissionApi',
     'GetUserAssetPermissionActionsApi',
+    'UserAssetPermissionsCacheApi',
 ]
 
 
@@ -117,3 +118,10 @@ class UserGrantedAssetSystemUsersApi(UserAssetPermissionMixin, ListAPIView):
             system_user.actions = actions
         return system_users
 
+
+class UserAssetPermissionsCacheApi(UserAssetPermissionMixin, DestroyAPIView):
+    permission_classes = (IsOrgAdmin,)
+
+    def destroy(self, request, *args, **kwargs):
+        self.util.expire_user_tree_cache()
+        return Response(status=204)
diff --git a/apps/perms/tests.py b/apps/perms/tests.py
index 4fd76b0f2..344266b19 100644
--- a/apps/perms/tests.py
+++ b/apps/perms/tests.py
@@ -1,4 +1,3 @@
 from django.test import TestCase
 
 from django.contrib.sessions.backends import file, db, cache
-from django.contrib.auth.views import login
\ No newline at end of file
diff --git a/apps/perms/urls/asset_permission.py b/apps/perms/urls/asset_permission.py
index c14db7c3e..ff8ac0c48 100644
--- a/apps/perms/urls/asset_permission.py
+++ b/apps/perms/urls/asset_permission.py
@@ -51,6 +51,11 @@ user_permission_urlpatterns = [
     # Asset System users
     path('<uuid:pk>/assets/<uuid:asset_id>/system-users/', api.UserGrantedAssetSystemUsersApi.as_view(), name='user-asset-system-users'),
     path('assets/<uuid:asset_id>/system-users/', api.UserGrantedAssetSystemUsersApi.as_view(), name='my-asset-system-users'),
+
+    # Expire user permission cache
+    path('<uuid:pk>/asset-permissions/cache/', api.UserAssetPermissionsCacheApi.as_view(),
+         name='user-asset-permission-cache'),
+    path('asset-permissions/cache/', api.UserAssetPermissionsCacheApi.as_view(), name='my-asset-permission-cache'),
 ]
 
 user_group_permission_urlpatterns = [
diff --git a/apps/users/api/user.py b/apps/users/api/user.py
index 97857c436..8729f4dcc 100644
--- a/apps/users/api/user.py
+++ b/apps/users/api/user.py
@@ -27,7 +27,7 @@ __all__ = [
 
 
 class UserViewSet(CommonApiMixin, UserQuerysetMixin, BulkModelViewSet):
-    filter_fields = ('username', 'email', 'name', 'id')
+    filter_fields = ('username', 'email', 'name', 'id', 'source')
     search_fields = filter_fields
     serializer_class = serializers.UserSerializer
     permission_classes = (IsOrgAdmin, CanUpdateDeleteUser)