diff --git a/WifiControlSensor/BMP180.h b/WifiControlSensor/BMP180.h
index 42ee435..b742259 100644
--- a/WifiControlSensor/BMP180.h
+++ b/WifiControlSensor/BMP180.h
@@ -11,8 +11,8 @@ int BMP180Setup(int sda, int scl);
 bool BMP180IsConnected();
 
 #else //CONFIG_ENABLE_BMP80
-int BMP180GetTemperature(double &t){return -1;};
-int BMP180GetTempAndPressure(double &t, double &p){return -1;};
+int BMP180GetTemperature(double &){return -1;};
+int BMP180GetTempAndPressure(double &, double &){return -1;};
 int BMP180Setup(int , int ){SKETCH_DEBUG_PRINTLN("BMP180 is disabled at build time"); return -1;};
 bool BMP180IsConnected(){return false;};
 #endif
diff --git a/WifiControlSensor/MQTT.h b/WifiControlSensor/MQTT.h
index 33c1ef1..257a1e1 100644
--- a/WifiControlSensor/MQTT.h
+++ b/WifiControlSensor/MQTT.h
@@ -15,7 +15,6 @@ void MqttCheckSubscription();
 void MqttCheckIRQ();
 void MqttChangeGpioValue(int gpio, int value);
 void MqttChangePWMValue(int gpio, int value);
-bool MqttIsConfigured();
 void MqttNofityIRQ(uint8_t gpio, int value);
 void MqttNofity(int gpio, int value);
 #else
@@ -31,7 +30,6 @@ void MqttCheckSubscription(){}
 void MqttCheckIRQ(){}
 void MqttChangeGpioValue(int gpio, int value){}
 void MqttChangePWMValue(int gpio, int value){}
-bool MqttIsConfigured(){}
 void MqttNofityIRQ(uint8_t gpio, int value){}
 void MqttNofity(int gpio, int value){}
 #endif
diff --git a/WifiControlSensor/WebServer.ino b/WifiControlSensor/WebServer.ino
index 2c857d8..09ed6cd 100644
--- a/WifiControlSensor/WebServer.ino
+++ b/WifiControlSensor/WebServer.ino
@@ -237,7 +237,7 @@ void WebHandleWifiStatus() {
   message += statusToString(WiFi.status());
   message += "<br/>";
   if(mode == BOOTMODE_SETUP && WiFi.status() == WL_CONNECTED){
-    message += "Wifi correctly setup!, you can reboot now<br/>";
+    message += "Wifi correctly setup! You can reboot now<br/>";
     message += "<a href=\"/reboot\">Reboot</a><br/>";
   }
   if(WiFi.status() == WL_CONNECT_FAILED || WiFi.status() == WL_NO_SSID_AVAIL){
diff --git a/WifiControlSensor/WifiControlSensor.ino b/WifiControlSensor/WifiControlSensor.ino
index a9064de..78cad20 100644
--- a/WifiControlSensor/WifiControlSensor.ino
+++ b/WifiControlSensor/WifiControlSensor.ino
@@ -99,7 +99,7 @@ void onLongButtonPressed(uint8_t pin){
 void WifiSetup(productConfig conf) {
   IPAddress myIP;
   if (conf.bootMode == BOOTMODE_SETUP) {
-    SKETCH_DEBUG_PRINTLN("Configuring access point: "CONFIG_SSID_NAME);
+    SKETCH_DEBUG_PRINTLN("Configuring access point: " CONFIG_SSID_NAME);
     /* You can set a password to the AP here */
     WiFi.softAP(CONFIG_SSID_NAME);
     myIP = WiFi.softAPIP();
diff --git a/WifiControlSensor/dry_sensor.h b/WifiControlSensor/dry_sensor.h
index 76ce708..15a9f18 100644
--- a/WifiControlSensor/dry_sensor.h
+++ b/WifiControlSensor/dry_sensor.h
@@ -3,9 +3,7 @@
 #ifdef CONFIG_ENABLE_DRY_SENSOR
 int DrySetup(int powerGPIO);
 int DryGetMeasure(int &dry);
-bool DryIsConnected(){return true;}
 #else
 int DrySetup(int){return -1;}
 int DryGetMeasure(int){return -1;}
-bool DryIsConnected(){return false;}
 #endif
diff --git a/WifiControlSensor/sensor_DHT.h b/WifiControlSensor/sensor_DHT.h
index 1419adc..49ca648 100644
--- a/WifiControlSensor/sensor_DHT.h
+++ b/WifiControlSensor/sensor_DHT.h
@@ -8,7 +8,7 @@ int DHTGetTempAndHumidity(float &t, float &h);
 bool DHTIsConnected();
 
 #else //CONFIG_ENABLE_DHT
-int DHTSetup(int pin){SKETCH_DEBUG_PRINTLN("DHT is disabled at build time"); return -1;};
-int DHTGetTempAndHumidity(float &t, float &h){return -1;};
+int DHTSetup(int){SKETCH_DEBUG_PRINTLN("DHT is disabled at build time"); return -1;};
+int DHTGetTempAndHumidity(float &, float &){return -1;};
 bool DHTIsConnected(){return false;};
 #endif
diff --git a/WifiControlSensor/utils.h b/WifiControlSensor/utils.h
index fd8bcb7..bc9ee75 100644
--- a/WifiControlSensor/utils.h
+++ b/WifiControlSensor/utils.h
@@ -5,8 +5,10 @@
 #define STRINGIFY(x) #x
 #define TOSTRING(x) STRINGIFY(x)
 
-int findIndex(int el, const int array[]){
-  for ( uint i = 0; i < NB_ELEMENTS(array); i++) {
+#define findIndex(x,y) findIdx(x, y, NB_ELEMENTS((y)))
+
+int findIdx(int el, const int array[], uint size){
+  for (uint i = 0; i < size; i++) {
     if (el == array[i])
       return i;
   }