diff --git a/radosgw_usage_exporter.py b/radosgw_usage_exporter.py
index c39d4df..fe4f1c1 100644
--- a/radosgw_usage_exporter.py
+++ b/radosgw_usage_exporter.py
@@ -430,17 +430,8 @@ def _get_rgw_users(self):
         """
         API request to get users.
         """
-
-        rgw_users = self._request_data(query="user", args="list")
-
-        if rgw_users and "keys" in rgw_users:
-            return rgw_users["keys"]
-        else:
-            # Compat with old Ceph versions (pre 12.2.13/13.2.9)
-            rgw_metadata_users = self._request_data(query="metadata/user", args="")
-            return rgw_metadata_users
-
-        return
+        rgw_metadata_users = self._request_data(query="metadata/user", args="")
+        return rgw_metadata_users
 
     def _get_user_info(self, user):
         """