diff --git a/dm/dmtree/wandevice.h b/dm/dmtree/wandevice.h
index 09a99f1..6cdf987 100644
--- a/dm/dmtree/wandevice.h
+++ b/dm/dmtree/wandevice.h
@@ -13,105 +13,5 @@
 #define __WAN_DEVICE_H
 #include <libubox/blobmsg_json.h>
 #include <json/json.h>
-inline int init_wanargs(struct dmctx *ctx, int wan_instance, char *fdev);
-inline int init_wancprotoargs(struct dmctx *ctx, struct uci_section *s);
-inline int init_wancdevargs(struct dmctx *ctx, struct uci_section *s, int index, char *fwan, char *iwan);
-int get_wan_device_wan_dsl_traffic();
-int check_multiwan_interface(struct uci_section *s);
-int network_get_ipaddr(char **value, char *iface);
-int add_wan_wanconnectiondevice(struct dmctx *ctx, char **instancepara);
-int delete_wan_wanconnectiondevice_all(struct dmctx *ctx);
-int delete_wan_wanconnectiondevice(struct dmctx *ctx);
-int delete_wan_wanipconnectiondevice_all(struct dmctx *ctx);
-int delete_wan_wanipconnectiondevice(struct dmctx *ctx);
-int add_wan_wanpppconnection(struct dmctx *ctx, char **instancepara);
-int delete_wan_wanpppconnectiondevice_all(struct dmctx *ctx);
-/************************************************************************** 
-**** ****  function related to get_wandevice_wandevice_parameters  **** ****
-***************************************************************************/
-int get_wan_device_wan_access_type(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_wan_dsl_interface_config_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_wan_dsl_interface_config_modulation_type(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_datapath(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamcurrrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreammaxrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamattenuation(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamnoisemargin(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamcurrrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreammaxrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamattenuation(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamnoisemargin(char *refparam, struct dmctx *ctx, char **value);
-int get_annexm_status(char *refparam, struct dmctx *ctx, char **value);
-int set_annexm_enable(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_eth_intf_enable(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_eth_intf_enable(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_eth_intf_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_mac(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_tx_bytes(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_rx_bytes(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_tx_packets(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_rx_packets(char *refparam, struct dmctx *ctx, char **value);
-int get_wandevice_wandevice_parameters(struct dmctx *ctx, char *dev, char *fdev);
-/*****/
 int entry_method_root_WANDevice(struct dmctx *ctx);
-/************************************************************************** 
-**** ****  function related to get_wandevice_wanconnectiondevice_parameters **** ****
-***************************************************************************/
-int get_wan_dsl_link_config_enable(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_dsl_link_config_destination_address(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_dsl_link_config_destination_address(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_dsl_link_config_atm_encapsulation(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_dsl_link_config_atm_encapsulation(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wandevice_wanconnectiondevice_parameters(struct dmctx *ctx, char *idev, char *iwan);
-/************************************************************************** 
-**** ****  function related to get_wandevice_wanprotoclconnection_parameters **** ****
-***************************************************************************/
-int get_wandevice_wanprotoclconnection_parameters(struct dmctx *ctx, char *idev, char *iwan, char *iconp, char *proto);
-int get_wan_device_mng_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_mng_interface_ip(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_ip_link_connection_connection_type(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_ip_link_connection_connection_type(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_ip_link_connection_addressing_type(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_ip_link_connection_addressing_type(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_ip_link_connection_nat_enabled(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_ip_link_connection_nat_enabled(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_igmp_rule_idx(char *iface, struct uci_section **rule, struct uci_section **zone, char **enable);
-int get_wan_ip_link_connection_igmp_enabled(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_ip_link_connection_igmp_enabled(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_ip_link_connection_dns_enabled(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_ip_link_connection_dns_enabled(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_device_ppp_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_ppp_interface_ip(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_mng_interface_mac(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_ppp_username(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_device_username(char *refparam, struct dmctx *ctx, int action, char *value);
-int set_wan_device_password(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_device_wan_dsl_interface_config_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_wan_dsl_interface_config_modulation_type(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_datapath(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamcurrrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreammaxrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamattenuation(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_downstreamnoisemargin(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamcurrrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreammaxrate(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamattenuation(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_device_dsl_upstreamnoisemargin(char *refparam, struct dmctx *ctx, char **value);
-int get_annexm_status(char *refparam, struct dmctx *ctx, char **value);
-int set_annexm_enable(char *refparam, struct dmctx *ctx, int action,  char *value);
-int get_wan_eth_intf_enable(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_eth_intf_enable(char *refparam, struct dmctx *ctx, int action, char *value);
-int get_wan_eth_intf_status(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_mac(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_tx_bytes(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_rx_bytes(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_tx_packets(char *refparam, struct dmctx *ctx, char **value);
-int get_wan_eth_intf_stats_rx_packets(char *refparam, struct dmctx *ctx, char **value);
-int get_wandevice_wandevice_parameters (struct dmctx *ctx, char *dev, char *fdev);
-int entry_method_root_WANDevice(struct dmctx *ctx);
-int get_wan_dsl_link_config_enable(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_dsl_link_config_destination_address(char *refparam, struct dmctx *ctx, int action,  char *value);
-int get_wan_dsl_link_config_atm_encapsulation(char *refparam, struct dmctx *ctx, char **value);
-int set_wan_dsl_link_config_atm_encapsulation(char *refparam, struct dmctx *ctx, int action,  char *value);
-int get_wandevice_wanconnectiondevice_parameters(struct dmctx *ctx, char *idev, char *iwan);
 #endif
\ No newline at end of file