diff --git a/tasmota/include/tasmota_configurations.h b/tasmota/include/tasmota_configurations.h
index a680dc89a..9dfb0ad64 100644
--- a/tasmota/include/tasmota_configurations.h
+++ b/tasmota/include/tasmota_configurations.h
@@ -862,6 +862,7 @@
 //#undef USE_MQTT_TLS                              // Disable TLS support won't work as the MQTTHost is not set
 #undef USE_KNX                                   // Disable KNX IP Protocol Support
 //#undef USE_WEBSERVER                             // Disable Webserver
+#undef USE_GPIO_VIEWER                           // Disable GPIO Viewer to see realtime GPIO states (+5k6 code)
 #undef USE_ENHANCED_GUI_WIFI_SCAN                // Disable wifi scan output with BSSID (+0k5 code)
 #undef USE_WEBSEND_RESPONSE                      // Disable command WebSend response message (+1k code)
 #undef USE_EMULATION                             // Disable Wemo or Hue emulation
diff --git a/tasmota/include/tasmota_configurations_ESP32.h b/tasmota/include/tasmota_configurations_ESP32.h
index 7b86bdd3c..15fc570c1 100644
--- a/tasmota/include/tasmota_configurations_ESP32.h
+++ b/tasmota/include/tasmota_configurations_ESP32.h
@@ -60,6 +60,7 @@
 //#undef USE_MQTT_TLS                              // Disable TLS support won't work as the MQTTHost is not set
 #undef USE_KNX                                   // Disable KNX IP Protocol Support
 //#undef USE_WEBSERVER                             // Disable Webserver
+#undef USE_GPIO_VIEWER                           // Enable GPIO Viewer to see realtime GPIO states (+5k6 code)
 #undef USE_ENHANCED_GUI_WIFI_SCAN                // Disable wifi scan output with BSSID (+0k5 code)
 #undef USE_WEBSEND_RESPONSE                      // Disable command WebSend response message (+1k code)
 #undef USE_EMULATION                             // Disable Wemo or Hue emulation
diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 661a11921..530a4199c 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -1097,6 +1097,7 @@
 #endif
 
 #define USE_ESP32_SENSORS                        // Add support for ESP32 temperature and optional hall effect sensor
+#define USE_GPIO_VIEWER                          // Enable GPIO Viewer to see realtime GPIO states (+5k6 code)
 
 // #define USE_DALI                              // Add support for DALI
     #define DALI_IN_INVERT  0                 // DALI RX inverted ?