diff --git a/libraries/AP_PerfMon/AP_PerfMon.cpp b/libraries/AP_PerfMon/AP_PerfMon.cpp
index df4f3538f7..e5e43dc980 100644
--- a/libraries/AP_PerfMon/AP_PerfMon.cpp
+++ b/libraries/AP_PerfMon/AP_PerfMon.cpp
@@ -158,7 +158,6 @@ void AP_PerfMon::DisplayResults()
     totalTime = allEndTime - allStartTime;
 
     // ensure serial is blocking
-    //blocking_writes = hal.console->get_blocking_writes();
     hal.console->set_blocking_writes(true);
 
     // print table of results