diff --git a/datalink814_ge/src/linklayer/time_sync.c b/datalink814_ge/src/linklayer/time_sync.c
index 584012b..78698cc 100644
--- a/datalink814_ge/src/linklayer/time_sync.c
+++ b/datalink814_ge/src/linklayer/time_sync.c
@@ -20,7 +20,6 @@
 #include <string.h>
 #include <stdlib.h>
 #include "linklayer814.h"
-#include "rtt.h"
 #include "../time_ctrl/time_ctrl.h"
 #include "../phy_ctrl/phy_ctrl.h"
 #include "../error.h"