diff --git a/ports/mimxrt/main.c b/ports/mimxrt/main.c
index 761c491742..dddf44e605 100644
--- a/ports/mimxrt/main.c
+++ b/ports/mimxrt/main.c
@@ -115,7 +115,9 @@ int main(void) {
         // Execute user scripts.
         int ret = pyexec_file_if_exists("boot.py");
 
+        #if MICROPY_HW_ENABLE_USBDEV
         mp_usbd_init();
+        #endif
 
         if (ret & PYEXEC_FORCED_EXIT) {
             goto soft_reset_exit;
diff --git a/ports/mimxrt/mpconfigport.h b/ports/mimxrt/mpconfigport.h
index 637c38f432..a4c6d6e206 100644
--- a/ports/mimxrt/mpconfigport.h
+++ b/ports/mimxrt/mpconfigport.h
@@ -147,6 +147,8 @@ uint32_t trng_random_u32(void);
 #define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT "mpy-mimxrt"
 #endif
 
+#define MICROPY_HW_ENABLE_USBDEV            (1)
+
 // Hooks to add builtins
 
 #if defined(IOMUX_TABLE_ENET)