diff --git a/src/types/usb_device.rs b/src/types/usb_device.rs
index 6e6a4c4..435db71 100644
--- a/src/types/usb_device.rs
+++ b/src/types/usb_device.rs
@@ -83,19 +83,14 @@ pub(crate) const ONE_MS_16_MGHZ: u32 = 16000;
 
 impl<const L: usize> UsbDevice<L> {
     #[inline]
-    pub fn new(pll: PLL, usb: USB_DEVICE) -> Self {
-        Self {
+    pub fn create_usb_allocator(pll: PLL, usb: USB_DEVICE) -> UsbBusAllocator<Self> {
+        UsbBusAllocator::new(Self {
             pll: Mutex::new(pll),
             usb: Mutex::new(usb),
             ep_table: [USBEndpoint::default(); L],
             pending_ins: Mutex::new(Cell::new(0u8)),
             dpram_already_used: 0,
-        }
-    }
-
-    #[inline]
-    pub fn into_usb_allocator(self) -> UsbBusAllocator<Self> {
-        UsbBusAllocator::new(self)
+        })
     }
 
     #[inline]