void iwlagn_setup_deferred_work(struct iwl_priv *priv)
 {
-       /* in agn, the tx power calibration is done in uCode */
-       priv->disable_tx_power_cal = 1;
+       /*
+        * nothing need to be done here anymore
+        * still keep for future use if needed
+        */
 }
 
 int iwlagn_hw_valid_rtc_data_addr(u32 addr)
 
  * @wd_timeout: TX queues watchdog timeout
  * @temperature_kelvin: temperature report by uCode in kelvin
  * @max_event_log_size: size of event log buffer size for ucode event logging
- * @tx_power_by_driver: tx power calibration performed by driver
- *     instead of uCode
  * @ucode_tracing: support ucode continuous tracing
  * @sensitivity_calib_by_driver: driver has the capability to perform
  *     sensitivity calibration operation
        unsigned int wd_timeout;
        bool temperature_kelvin;
        u32 max_event_log_size;
-       const bool tx_power_by_driver;
        const bool ucode_tracing;
        const bool sensitivity_calib_by_driver;
        const bool chain_noise_calib_by_driver;
 
        if (priv->cfg->base_params->chain_noise_calib_by_driver)
                DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
                                 &priv->disable_chain_noise_cal);
-       if (priv->cfg->base_params->tx_power_by_driver)
-               DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
-                               &priv->disable_tx_power_cal);
        return 0;
 
 err:
 
        struct work_struct txpower_work;
        u32 disable_sens_cal;
        u32 disable_chain_noise_cal;
-       u32 disable_tx_power_cal;
        struct work_struct run_time_calib_work;
        struct timer_list statistics_periodic;
        struct timer_list ucode_trace;