diff --git a/Tools/AP_Periph/Parameters.cpp b/Tools/AP_Periph/Parameters.cpp
index 35acb6ba6f..3e64e5edf6 100644
--- a/Tools/AP_Periph/Parameters.cpp
+++ b/Tools/AP_Periph/Parameters.cpp
@@ -99,7 +99,7 @@ const AP_Param::Info AP_Periph_FW::var_info[] = {
     // @Param: CAN_PROTOCOL
     // @DisplayName: Enable use of specific protocol to be used on this port
     // @Description: Enabling this option starts selected protocol that will use this virtual driver. At least one CAN port must be UAVCAN or else CAN1 gets set to UAVCAN
-    // @Values: 0:Disabled,1:UAVCAN,4:PiccoloCAN,5:CANTester,6:EFI_NWPMU,7:USD1,8:KDECAN
+    // @Values: 0:Disabled,1:UAVCAN,4:PiccoloCAN,6:EFI_NWPMU,7:USD1,8:KDECAN
     // @User: Advanced
     // @RebootRequired: True
     GARRAY(can_protocol,     0, "CAN_PROTOCOL", AP_CANManager::Driver_Type_DroneCAN),