diff --git a/ArduPlane/system.cpp b/ArduPlane/system.cpp
index a725acf847..6f2aa8cfc7 100644
--- a/ArduPlane/system.cpp
+++ b/ArduPlane/system.cpp
@@ -781,8 +781,6 @@ bool Plane::should_log(uint32_t mask)
     }
     bool ret = hal.util->get_soft_armed() || DataFlash.log_while_disarmed();
     if (ret && !DataFlash.logging_started() && !in_log_download) {
-        // we have to set in_mavlink_delay to prevent logging while
-        // writing headers
         start_logging();
     }
     return ret;