diff --git a/libraries/AP_Motors/AP_MotorsTri.cpp b/libraries/AP_Motors/AP_MotorsTri.cpp
index 8633bc1117..824f1fb64b 100644
--- a/libraries/AP_Motors/AP_MotorsTri.cpp
+++ b/libraries/AP_Motors/AP_MotorsTri.cpp
@@ -25,17 +25,6 @@
 
 extern const AP_HAL::HAL& hal;
 
-const AP_Param::GroupInfo AP_MotorsTri::var_info[] = {
-    // variables from parent vehicle
-    AP_NESTEDGROUPINFO(AP_MotorsMulticopter, 0),
-
-    // parameters 1 ~ 29 were reserved for tradheli
-    // parameters 30 ~ 39 reserved for tricopter
-    // parameters 40 ~ 49 for single copter and coax copter (these have identical parameter files)
-
-    AP_GROUPEND
-};
-
 // init
 void AP_MotorsTri::init(motor_frame_class frame_class, motor_frame_type frame_type)
 {
diff --git a/libraries/AP_Motors/AP_MotorsTri.h b/libraries/AP_Motors/AP_MotorsTri.h
index 87d8c12f50..1efd27d4cb 100644
--- a/libraries/AP_Motors/AP_MotorsTri.h
+++ b/libraries/AP_Motors/AP_MotorsTri.h
@@ -21,7 +21,6 @@ public:
     AP_MotorsTri(uint16_t loop_rate, uint16_t speed_hz = AP_MOTORS_SPEED_DEFAULT) :
         AP_MotorsMulticopter(loop_rate, speed_hz)
     {
-        AP_Param::setup_object_defaults(this, var_info);
     };
 
     // init
@@ -48,9 +47,6 @@ public:
     //  this can be used to ensure other pwm outputs (i.e. for servos) do not conflict
     virtual uint16_t    get_motor_mask();
 
-    // var_info for holding Parameter information
-    static const struct AP_Param::GroupInfo var_info[];
-
 protected:
     // output - sends commands to the motors
     void                output_armed_stabilizing();