diff --git a/src/device/usbd.c b/src/device/usbd.c
index 339ccf4b4..abf74b1f5 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -593,6 +593,8 @@ bool tud_deinit(uint8_t rhport) {
   _usbd_mutex = NULL;
 #endif
 
+  osal_spin_deinit(&_usbd_spin);
+
   _usbd_rhport = RHPORT_INVALID;
 
   return true;