removeEvent(command) {
    const type = getTargetType(command.target);

    if (isEventSupported(type, command.params[0].type)) {
      events[command.target][command.params[0].type] = null;
      objectSpace[command.target][command.params[0].type] = null;
    }

    completeCommand(command);
  }
All commands that have a custom implementation