diff --git a/src/modules/exec/Pcf8574/Pcf8574.cpp b/src/modules/exec/Pcf8574/Pcf8574.cpp
index 3eabb9ff..d5403752 100644
--- a/src/modules/exec/Pcf8574/Pcf8574.cpp
+++ b/src/modules/exec/Pcf8574/Pcf8574.cpp
@@ -7,8 +7,6 @@
 
 #define PCF8574_I2CADDR_DEFAULT 0x20 ///< DS3502 default I2C address
 
-void scanI2C();
-
 class Adafruit_PCF8574_mod {
    public:
     Adafruit_PCF8574_mod() {};
@@ -82,7 +80,6 @@ class Pcf8574Driver : public IoTGpio {
 
     int digitalRead(uint8_t pin) {
         return _pcf.digitalRead(pin);
-        //return 0;
     }
 
     void digitalInvert(uint8_t pin) {
diff --git a/src/modules/exec/Pcf8574/modinfo.json b/src/modules/exec/Pcf8574/modinfo.json
index 4408fd16..5c0777b6 100644
--- a/src/modules/exec/Pcf8574/modinfo.json
+++ b/src/modules/exec/Pcf8574/modinfo.json
@@ -33,11 +33,9 @@
 
     "devices": {
         "esp32_4mb": [
-            "adafruit/Adafruit PCF8574@^1.0.0",
             "adafruit/Adafruit BusIO @ ^1.13.2"
         ],
         "esp8266_4mb": [
-            "adafruit/Adafruit PCF8574@^1.0.0",
             "adafruit/Adafruit BusIO @ ^1.13.2"
         ]
     }