diff --git a/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.cpp b/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.cpp
index e2ff78b6..079e293e 100644
--- a/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.cpp
+++ b/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.cpp
@@ -64,7 +64,7 @@ Adafruit_USBD_I2C::Adafruit_USBD_I2C(TwoWire* wire) {
   setStringDescriptor("I2C Interface");
 }
 
-uint16_t Adafruit_USBD_I2C::getInterfaceDescriptor(uint8_t itfnum_deprecated, uint8_t* buf, uint16_t bufsize) {
+uint16_t Adafruit_USBD_I2C::getInterfaceDescriptor(uint8_t* buf, uint16_t bufsize) {
   uint8_t itfnum = 0;
   uint8_t ep_in = 0;
   uint8_t ep_out = 0;
diff --git a/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.h b/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.h
index c6160893..b39ca703 100644
--- a/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.h
+++ b/examples/Vendor/i2c_tiny_usb_adapter/Adafruit_USBD_I2C.h
@@ -93,7 +93,7 @@ class Adafruit_USBD_I2C : public Adafruit_USBD_Interface {
   bool handleControlTransfer(uint8_t rhport, uint8_t stage, tusb_control_request_t const* request);
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t* buf, uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t* buf, uint16_t bufsize);
 
 private:
   TwoWire* _wire;
diff --git a/src/arduino/Adafruit_USBD_CDC.cpp b/src/arduino/Adafruit_USBD_CDC.cpp
index 46e8f2b4..b775a1c0 100644
--- a/src/arduino/Adafruit_USBD_CDC.cpp
+++ b/src/arduino/Adafruit_USBD_CDC.cpp
@@ -46,8 +46,7 @@ Adafruit_USBD_CDC::Adafruit_USBD_CDC(void) { _instance = INVALID_INSTANCE; }
 
 #if CFG_TUD_ENABLED
 
-uint16_t Adafruit_USBD_CDC::getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                                   uint8_t *buf,
+uint16_t Adafruit_USBD_CDC::getInterfaceDescriptor(uint8_t *buf,
                                                    uint16_t bufsize) {
   // CDC is mostly always existed for DFU
   uint8_t itfnum = 0;
diff --git a/src/arduino/Adafruit_USBD_CDC.h b/src/arduino/Adafruit_USBD_CDC.h
index 877661d5..c0d10c1f 100644
--- a/src/arduino/Adafruit_USBD_CDC.h
+++ b/src/arduino/Adafruit_USBD_CDC.h
@@ -80,8 +80,7 @@ class Adafruit_USBD_CDC : public Stream, public Adafruit_USBD_Interface {
   operator bool();
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                          uint8_t *buf, uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
 private:
   enum { INVALID_INSTANCE = 0xffu };
diff --git a/src/arduino/Adafruit_USBD_Device.cpp b/src/arduino/Adafruit_USBD_Device.cpp
index 98adf91a..3838ba2b 100644
--- a/src/arduino/Adafruit_USBD_Device.cpp
+++ b/src/arduino/Adafruit_USBD_Device.cpp
@@ -233,8 +233,8 @@ void Adafruit_USBD_Device::clearConfiguration(void) {
 // - Endpoint number is updated to be unique
 bool Adafruit_USBD_Device::addInterface(Adafruit_USBD_Interface &itf) {
   uint8_t *desc = _desc_cfg + _desc_cfg_len;
-  uint16_t const len = itf.getInterfaceDescriptor(
-      _itf_count, desc, _desc_cfg_maxlen - _desc_cfg_len);
+  uint16_t const len =
+      itf.getInterfaceDescriptor(desc, _desc_cfg_maxlen - _desc_cfg_len);
 
   if (!len) {
     return false;
diff --git a/src/arduino/Adafruit_USBD_Interface.h b/src/arduino/Adafruit_USBD_Interface.h
index dece43a8..09ff3fd8 100644
--- a/src/arduino/Adafruit_USBD_Interface.h
+++ b/src/arduino/Adafruit_USBD_Interface.h
@@ -37,11 +37,10 @@ class Adafruit_USBD_Interface {
 
   // Get Interface Descriptor
   // Fill the descriptor (if buf is not NULL) and return its length
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize) = 0;
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize) = 0;
   // Get Interface Descriptor Length
   uint16_t getInterfaceDescriptorLen() {
-    return getInterfaceDescriptor(0, NULL, 0);
+    return getInterfaceDescriptor(NULL, 0);
   }
 
   void setStringDescriptor(const char *str);
diff --git a/src/arduino/hid/Adafruit_USBD_HID.cpp b/src/arduino/hid/Adafruit_USBD_HID.cpp
index 0f8b0e5d..5cd8c6a9 100644
--- a/src/arduino/hid/Adafruit_USBD_HID.cpp
+++ b/src/arduino/hid/Adafruit_USBD_HID.cpp
@@ -158,8 +158,7 @@ uint16_t Adafruit_USBD_HID::makeItfDesc(uint8_t itfnum, uint8_t *buf,
   return len;
 }
 
-uint16_t Adafruit_USBD_HID::getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                                   uint8_t *buf,
+uint16_t Adafruit_USBD_HID::getInterfaceDescriptor(uint8_t *buf,
                                                    uint16_t bufsize) {
   uint8_t itfnum = 0;
   uint8_t ep_in = 0;
diff --git a/src/arduino/hid/Adafruit_USBD_HID.h b/src/arduino/hid/Adafruit_USBD_HID.h
index a1a452ae..4b28b269 100644
--- a/src/arduino/hid/Adafruit_USBD_HID.h
+++ b/src/arduino/hid/Adafruit_USBD_HID.h
@@ -80,8 +80,7 @@ class Adafruit_USBD_HID : public Adafruit_USBD_Interface {
   bool mouseButtonRelease(uint8_t report_id);
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
   // internal use only
   uint16_t makeItfDesc(uint8_t itfnum, uint8_t *buf, uint16_t bufsize,
diff --git a/src/arduino/midi/Adafruit_USBD_MIDI.cpp b/src/arduino/midi/Adafruit_USBD_MIDI.cpp
index 3c2cce41..fdd0b92f 100644
--- a/src/arduino/midi/Adafruit_USBD_MIDI.cpp
+++ b/src/arduino/midi/Adafruit_USBD_MIDI.cpp
@@ -153,8 +153,7 @@ uint16_t Adafruit_USBD_MIDI::makeItfDesc(uint8_t itfnum, uint8_t *buf,
   return desc_len;
 }
 
-uint16_t Adafruit_USBD_MIDI::getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                                    uint8_t *buf,
+uint16_t Adafruit_USBD_MIDI::getInterfaceDescriptor(uint8_t *buf,
                                                     uint16_t bufsize) {
   uint8_t itfnum = 0;
   uint8_t ep_in = 0;
diff --git a/src/arduino/midi/Adafruit_USBD_MIDI.h b/src/arduino/midi/Adafruit_USBD_MIDI.h
index 2f0103e6..d46e0453 100644
--- a/src/arduino/midi/Adafruit_USBD_MIDI.h
+++ b/src/arduino/midi/Adafruit_USBD_MIDI.h
@@ -60,8 +60,7 @@ class Adafruit_USBD_MIDI : public Stream, public Adafruit_USBD_Interface {
   bool readPacket(uint8_t packet[4]);
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
   // internal use only
   uint16_t makeItfDesc(uint8_t itfnum, uint8_t *buf, uint16_t bufsize,
diff --git a/src/arduino/msc/Adafruit_USBD_MSC.cpp b/src/arduino/msc/Adafruit_USBD_MSC.cpp
index dd8a634c..ca4fad88 100644
--- a/src/arduino/msc/Adafruit_USBD_MSC.cpp
+++ b/src/arduino/msc/Adafruit_USBD_MSC.cpp
@@ -76,8 +76,7 @@ uint16_t Adafruit_USBD_MSC::makeItfDesc(uint8_t itfnum, uint8_t *buf,
   return len;
 }
 
-uint16_t Adafruit_USBD_MSC::getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                                   uint8_t *buf,
+uint16_t Adafruit_USBD_MSC::getInterfaceDescriptor(uint8_t *buf,
                                                    uint16_t bufsize) {
   // null buffer is used to get the length of descriptor only
   if (!buf) {
@@ -85,7 +84,6 @@ uint16_t Adafruit_USBD_MSC::getInterfaceDescriptor(uint8_t itfnum_deprecated,
   }
 
   uint8_t const itfnum = TinyUSBDevice.allocInterface(1);
-  ;
   uint8_t const ep_in = TinyUSBDevice.allocEndpoint(TUSB_DIR_IN);
   uint8_t const ep_out = TinyUSBDevice.allocEndpoint(TUSB_DIR_OUT);
 
diff --git a/src/arduino/msc/Adafruit_USBD_MSC.h b/src/arduino/msc/Adafruit_USBD_MSC.h
index 3b110438..78f325ed 100644
--- a/src/arduino/msc/Adafruit_USBD_MSC.h
+++ b/src/arduino/msc/Adafruit_USBD_MSC.h
@@ -83,8 +83,7 @@ class Adafruit_USBD_MSC : public Adafruit_USBD_Interface {
   }
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
   // internal use only
   uint16_t makeItfDesc(uint8_t itfnum, uint8_t *buf, uint16_t bufsize,
diff --git a/src/arduino/video/Adafruit_USBD_Video.h b/src/arduino/video/Adafruit_USBD_Video.h
index 5f537e94..0de81e98 100644
--- a/src/arduino/video/Adafruit_USBD_Video.h
+++ b/src/arduino/video/Adafruit_USBD_Video.h
@@ -39,8 +39,7 @@ class Adafruit_USBD_Video : public Adafruit_USBD_Interface {
   //  bool isStreaming(uint8_t stream_idx);
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
 private:
   uint8_t const *_desc_itf;
diff --git a/src/arduino/webusb/Adafruit_USBD_WebUSB.cpp b/src/arduino/webusb/Adafruit_USBD_WebUSB.cpp
index dfdccc2c..5f9574ff 100644
--- a/src/arduino/webusb/Adafruit_USBD_WebUSB.cpp
+++ b/src/arduino/webusb/Adafruit_USBD_WebUSB.cpp
@@ -202,8 +202,7 @@ uint16_t Adafruit_USBD_WebUSB::makeItfDesc(uint8_t itfnum, uint8_t *buf,
   return len;
 }
 
-uint16_t Adafruit_USBD_WebUSB::getInterfaceDescriptor(uint8_t itfnum_deprecated,
-                                                      uint8_t *buf,
+uint16_t Adafruit_USBD_WebUSB::getInterfaceDescriptor(uint8_t *buf,
                                                       uint16_t bufsize) {
   if (!buf) {
     return TUD_VENDOR_DESC_LEN;
diff --git a/src/arduino/webusb/Adafruit_USBD_WebUSB.h b/src/arduino/webusb/Adafruit_USBD_WebUSB.h
index b0bed03c..98e5d937 100644
--- a/src/arduino/webusb/Adafruit_USBD_WebUSB.h
+++ b/src/arduino/webusb/Adafruit_USBD_WebUSB.h
@@ -65,8 +65,7 @@ class Adafruit_USBD_WebUSB : public Stream, public Adafruit_USBD_Interface {
   operator bool();
 
   // from Adafruit_USBD_Interface
-  virtual uint16_t getInterfaceDescriptor(uint8_t itfnum, uint8_t *buf,
-                                          uint16_t bufsize);
+  virtual uint16_t getInterfaceDescriptor(uint8_t *buf, uint16_t bufsize);
 
   // internal use only
   uint16_t makeItfDesc(uint8_t itfnum, uint8_t *buf, uint16_t bufsize,