--- a/sdkconfig	Sat May 04 21:18:51 2019 +0200
+++ b/sdkconfig	Tue May 07 22:03:38 2019 +0200
@@ -224,7 +224,7 @@
 CONFIG_ESP32_WIFI_MGMT_SBUF_NUM=32
 # CONFIG_ESP32_WIFI_DEBUG_LOG_ENABLE is not set
 CONFIG_ESP32_WIFI_IRAM_OPT=y
-CONFIG_ESP32_PHY_CALIBRATION_AND_DATA_STORAGE=y
+# CONFIG_ESP32_PHY_CALIBRATION_AND_DATA_STORAGE is not set
 # CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION is not set
 CONFIG_ESP32_PHY_MAX_WIFI_TX_POWER=20
 CONFIG_ESP32_PHY_MAX_TX_POWER=20