--- a/main/co2meter.c	Sun Nov 10 20:53:01 2019 +0100
+++ b/main/co2meter.c	Mon Nov 11 16:54:12 2019 +0100
@@ -70,11 +70,6 @@
     ESP_LOGI(TAG, "Enabling EXT1 wakeup on pin GPIO%d", ROT_ENC_SW_GPIO);
     esp_sleep_enable_ext1_wakeup(ext_wakeup_pin_1_mask, ESP_EXT1_WAKEUP_ALL_LOW);
 
-    // Isolate GPIO12 pin from external circuits. This is needed for modules
-    // which have an external pull-up resistor on GPIO12 (such as ESP32-WROVER)
-    // to minimize current consumption.
-//    rtc_gpio_isolate(GPIO_NUM_12);
-
     /*
      * Initialize NVS
      */