diff --git a/smart_service/apis/app_user_login.py b/smart_service/apis/app_user_login.py
index c328a03..b2464ea 100644
--- a/smart_service/apis/app_user_login.py
+++ b/smart_service/apis/app_user_login.py
@@ -778,34 +778,6 @@ def new_app_user_validation(usr=None, pwd=None, iid=None, device_data=None):
     except:
         return {'status': 0, 'error': 'Site Error'}
 
-
-@frappe.whitelist(allow_guest=True)
-def data_invalidation(email, device_id, iid=None):
-    rate_res = custom_rate_limit(limit=5, seconds=15)
-    if rate_res != 1:
-        return rate_res
-    try:
-
-        # User validation
-        frappe.set_user("Administrator")
-        user_name = frappe.db.sql('''SELECT name FROM {0}.tabUser where email='{1}';'''.format(
-            current_db_name, email), as_dict=1)
-
-        token_details = []
-        if user_name:
-
-            """ New Refresh token update """
-            access_token = generate_access_token(user_name[0]['name'])
-            refresh_token = generate_refresh_token()
-            token_details = update_tokens_in_doc(
-                user_name[0]['name'], access_token, refresh_token)
-
-        return {'status': 1, 'data': token_details, 'error': None}
-
-    except Exception as e1:
-        return {'status': 0, 'data': [], 'error': 'Failed to verify user'}
-
-
 @frappe.whitelist(allow_guest=1)
 def generate_keys(user_name):
     rate_res = custom_rate_limit(limit=5, seconds=15)