diff --git a/datalink814_ge/src/linklayer/linklayer814_types.h b/datalink814_ge/src/linklayer/linklayer814_types.h
index e35562e..db7a5a0 100644
--- a/datalink814_ge/src/linklayer/linklayer814_types.h
+++ b/datalink814_ge/src/linklayer/linklayer814_types.h
@@ -293,16 +293,6 @@ typedef struct {
 	int32_t  doppler;
 } RTT_MSG_RECORD;
 
-typedef struct {
-	uint32_t timeH;
-	uint32_t timeL;
-} L2_TIME_WORD;
-
-typedef struct {
-	L2_TIME_WORD rttTime;
-	uint32_t rttDoppler;
-} RTT_DATA;
-
 typedef struct {
 	bool isBisarProc;
 	bool isPendTimeAlloc;
@@ -310,7 +300,6 @@ typedef struct {
 	MGMT_MSG_RECORD mgmtMsgLog;
 	RTT_MSG_RECORD rttMsgRspLog;
 	RTT_MSG_RECORD rttMsgReqLog;
-	RTT_DATA rttData;
 } L2_MGMT_FSM;