diff --git a/src/stats_collection.h b/src/stats_collection.h
index b76d335..6f892b7 100644
--- a/src/stats_collection.h
+++ b/src/stats_collection.h
@@ -12,8 +12,10 @@
 void stop_collecting_statistics();
 openolt::PortStatistics* get_default_port_statistics();
 openolt::PortStatistics* collectPortStatistics(int intf_id, bcmbal_intf_type intf_type);
+#if 0
 openolt::FlowStatistics* get_default_flow_statistics();
 openolt::FlowStatistics* collectFlowStatistics(bcmbal_flow_id flow_id, bcmbal_flow_type flow_type);
+#endif
 void* stats_collection(void* x);
 void register_new_flow(bcmbal_flow_key key);