diff --git a/service/qos/service_level_controller.hh b/service/qos/service_level_controller.hh
index e8f4d34b12..73ec8baf18 100644
--- a/service/qos/service_level_controller.hh
+++ b/service/qos/service_level_controller.hh
@@ -91,7 +91,6 @@ private:
     static constexpr shard_id global_controller = 0;
 
     std::map<sstring, service_level> _service_levels_db;
-    std::unordered_map<sstring, sstring> _role_to_service_level;
     service_level _default_service_level;
     service_level_distributed_data_accessor_ptr _sl_data_accessor;
     sharded<auth::service>& _auth_service;