diff --git a/src/vnet/l2/l2_bd.h b/src/vnet/l2/l2_bd.h
index 987569a..65d3dad 100644
--- a/src/vnet/l2/l2_bd.h
+++ b/src/vnet/l2/l2_bd.h
@@ -204,6 +204,8 @@
 		       const ip46_address_t * ip_addr,
 		       const mac_address_t * mac, u8 is_add);
 
+void bd_flush_ip_mac (u32 bd_index);
+
 #endif
 
 /*