diff --git a/EKF/ekf.cpp b/EKF/ekf.cpp
index c39bff3d09..fedee2669a 100644
--- a/EKF/ekf.cpp
+++ b/EKF/ekf.cpp
@@ -242,7 +242,7 @@ bool Ekf::update()
 	}
 }
 
-bool Ekf::initialiseFilter(void)
+bool Ekf::initialiseFilter()
 {
 	// Keep accumulating measurements until we have a minimum of 10 samples for the required sensors
 
diff --git a/l1/ecl_l1_pos_controller.cpp b/l1/ecl_l1_pos_controller.cpp
index d1c864d782..5f512e40cf 100644
--- a/l1/ecl_l1_pos_controller.cpp
+++ b/l1/ecl_l1_pos_controller.cpp
@@ -75,12 +75,12 @@ float ECL_L1_Pos_Controller::switch_distance(float wp_radius)
 	return math::min(wp_radius, _L1_distance);
 }
 
-bool ECL_L1_Pos_Controller::reached_loiter_target(void)
+bool ECL_L1_Pos_Controller::reached_loiter_target()
 {
 	return _circle_mode;
 }
 
-float ECL_L1_Pos_Controller::crosstrack_error(void)
+float ECL_L1_Pos_Controller::crosstrack_error()
 {
 	return _crosstrack_error;
 }