diff --git a/datalink814_ge/src/linklayer/net_mgmt.c b/datalink814_ge/src/linklayer/net_mgmt.c
index d3d7713..801783b 100644
--- a/datalink814_ge/src/linklayer/net_mgmt.c
+++ b/datalink814_ge/src/linklayer/net_mgmt.c
@@ -29,12 +29,9 @@
 #define INTER_MGMT_SLOTS	2
 #define INTRA_MGMT_SLOTS	1
 #define NONE_MGMT_SLOTS		-1
-#define CONN_LOST_TH 		10      // 10 count of mgmt msg no response to delete
+#define CONX_LOST_TH 		10      // 10 count of mgmt msg no response to delete
 #define TIME2QUIT 			80		// time to send quit message
 
-#define SENDRTT 0
-#define RCVDRTT 1
-
 /***************** Macros (Inline Functions) Definitions *********************/
 
 /**************************** Type Definitions *******************************/