diff --git a/ArduPlane/Parameters.cpp b/ArduPlane/Parameters.cpp
index 477f7c6ff9..f2ee35e49d 100644
--- a/ArduPlane/Parameters.cpp
+++ b/ArduPlane/Parameters.cpp
@@ -1345,15 +1345,7 @@ void Plane::load_parameters(void)
     g2.servo_channels.set_default_function(CH_3, SRV_Channel::k_throttle);
     g2.servo_channels.set_default_function(CH_4, SRV_Channel::k_rudder);
         
-    const uint8_t old_rc_keys[14] = { Parameters::k_param_rc_1_old,  Parameters::k_param_rc_2_old,
-                                      Parameters::k_param_rc_3_old,  Parameters::k_param_rc_4_old,
-                                      Parameters::k_param_rc_5_old,  Parameters::k_param_rc_6_old,
-                                      Parameters::k_param_rc_7_old,  Parameters::k_param_rc_8_old,
-                                      Parameters::k_param_rc_9_old,  Parameters::k_param_rc_10_old,
-                                      Parameters::k_param_rc_11_old, Parameters::k_param_rc_12_old,
-                                      Parameters::k_param_rc_13_old, Parameters::k_param_rc_14_old };
-    const uint16_t old_aux_chan_mask = 0x3FF0;
-    SRV_Channels::upgrade_parameters(old_rc_keys, old_aux_chan_mask, &rcmap);
+    SRV_Channels::upgrade_parameters();
 
     // possibly convert elevon and vtail mixers
     convert_mixers();