diff --git a/common/core.h b/common/core.h
index 470bce0..1bf84d2 100644
--- a/common/core.h
+++ b/common/core.h
@@ -53,6 +53,7 @@
 Status FlowRemove_(uint32_t flow_id, const std::string flow_type);
 Status Disable_();
 Status Reenable_();
+Status GetDeviceInfo_(openolt::DeviceInfo* device_info);
 
 void stats_collection();
 #endif