diff --git a/ArduSub/system.cpp b/ArduSub/system.cpp
index 658f4e1dde..606032fd1e 100644
--- a/ArduSub/system.cpp
+++ b/ArduSub/system.cpp
@@ -87,8 +87,6 @@ void Sub::init_ardupilot()
     log_init();
 #endif
 
-    gcs().set_dataflash(&DataFlash);
-
     // initialise rc channels including setting mode
     rc().init();