diff --git a/libraries/SITL/SIM_Aircraft.cpp b/libraries/SITL/SIM_Aircraft.cpp
index d7f1aa88d5..30d82d99c3 100644
--- a/libraries/SITL/SIM_Aircraft.cpp
+++ b/libraries/SITL/SIM_Aircraft.cpp
@@ -36,9 +36,6 @@ namespace SITL {
   parent class for all simulator types
  */
 
-/*
-  constructor
- */
 Aircraft::Aircraft(const char *home_str, const char *frame_str) :
     ground_level(0),
     frame_height(0),
diff --git a/libraries/SITL/SIM_Balloon.cpp b/libraries/SITL/SIM_Balloon.cpp
index 2fe182de2b..9d3aa2c999 100644
--- a/libraries/SITL/SIM_Balloon.cpp
+++ b/libraries/SITL/SIM_Balloon.cpp
@@ -24,9 +24,6 @@
 
 namespace SITL {
 
-/*
-  constructor
- */
 Balloon::Balloon(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str)
 {
diff --git a/libraries/SITL/SIM_CRRCSim.cpp b/libraries/SITL/SIM_CRRCSim.cpp
index a72494a0ea..3446484833 100644
--- a/libraries/SITL/SIM_CRRCSim.cpp
+++ b/libraries/SITL/SIM_CRRCSim.cpp
@@ -26,9 +26,6 @@ extern const AP_HAL::HAL& hal;
 
 namespace SITL {
 
-/*
-  constructor
- */
 CRRCSim::CRRCSim(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str),
     last_timestamp(0),
diff --git a/libraries/SITL/SIM_Gazebo.cpp b/libraries/SITL/SIM_Gazebo.cpp
index a02609dcf6..fed1785652 100644
--- a/libraries/SITL/SIM_Gazebo.cpp
+++ b/libraries/SITL/SIM_Gazebo.cpp
@@ -26,9 +26,6 @@ extern const AP_HAL::HAL& hal;
 
 namespace SITL {
 
-/*
-  constructor
- */
 Gazebo::Gazebo(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str),
     last_timestamp(0),
diff --git a/libraries/SITL/SIM_Helicopter.cpp b/libraries/SITL/SIM_Helicopter.cpp
index 151667b222..abccf32532 100644
--- a/libraries/SITL/SIM_Helicopter.cpp
+++ b/libraries/SITL/SIM_Helicopter.cpp
@@ -24,9 +24,6 @@
 
 namespace SITL {
 
-/*
-  constructor
- */
 Helicopter::Helicopter(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str)
 {
diff --git a/libraries/SITL/SIM_JSBSim.cpp b/libraries/SITL/SIM_JSBSim.cpp
index 2f1b22547e..829c2ad5aa 100644
--- a/libraries/SITL/SIM_JSBSim.cpp
+++ b/libraries/SITL/SIM_JSBSim.cpp
@@ -38,9 +38,6 @@ namespace SITL {
 #define DEBUG_JSBSIM 1
 #define FEET_TO_METERS 0.3048f
 
-/*
-  constructor
- */
 JSBSim::JSBSim(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str),
     sock_control(false),
diff --git a/libraries/SITL/SIM_Multicopter.cpp b/libraries/SITL/SIM_Multicopter.cpp
index b88c549624..774ec4f385 100644
--- a/libraries/SITL/SIM_Multicopter.cpp
+++ b/libraries/SITL/SIM_Multicopter.cpp
@@ -101,9 +101,6 @@ static const Frame supported_frames[] =
     Frame("octa-quad", 8, octa_quad_motors)
 };
 
-/*
-  constructor
- */
 MultiCopter::MultiCopter(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str),
     frame(NULL),
diff --git a/libraries/SITL/SIM_Rover.cpp b/libraries/SITL/SIM_Rover.cpp
index f6f46a81db..d29faf95b6 100644
--- a/libraries/SITL/SIM_Rover.cpp
+++ b/libraries/SITL/SIM_Rover.cpp
@@ -25,9 +25,6 @@
 
 namespace SITL {
 
-/*
-  constructor
- */
 SimRover::SimRover(const char *home_str, const char *frame_str) :
     Aircraft(home_str, frame_str),
     max_speed(20),
diff --git a/libraries/SITL/SIM_last_letter.cpp b/libraries/SITL/SIM_last_letter.cpp
index a9c5bd2773..20f8a3ec96 100644
--- a/libraries/SITL/SIM_last_letter.cpp
+++ b/libraries/SITL/SIM_last_letter.cpp
@@ -29,9 +29,6 @@ extern const AP_HAL::HAL& hal;
 
 namespace SITL {
 
-/*
-  constructor
- */
 last_letter::last_letter(const char *home_str, const char *_frame_str) :
     Aircraft(home_str, _frame_str),
     last_timestamp_us(0),