diff --git a/APMrover2/Parameters.cpp b/APMrover2/Parameters.cpp
index c25167db94..43d6ab091b 100644
--- a/APMrover2/Parameters.cpp
+++ b/APMrover2/Parameters.cpp
@@ -755,15 +755,7 @@ void Rover::load_parameters(void)
         g2.crash_angle.set_default(30);
     }
 
-    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 = 0x3FFA;
-    SRV_Channels::upgrade_parameters(old_rc_keys, old_aux_chan_mask, &rcmap);
+    SRV_Channels::upgrade_parameters();
     hal.console->printf("load_all took %uus\n", unsigned(micros() - before));
 
     // set a more reasonable default NAVL1_PERIOD for rovers