diff --git a/src/machine/board_teensy40.go b/src/machine/board_teensy40.go
index afa0dbc44..5672912d9 100644
--- a/src/machine/board_teensy40.go
+++ b/src/machine/board_teensy40.go
@@ -110,9 +110,9 @@ func init() {
 // |                        USB                          |
 // #=====================================================#
 var (
-	// UART0 = usb.UART{Port: 0}
-	HID0  = usb.HID{Port: 0}
-	UART0 = &UART1
+	UART0 = usb.UART{Port: 0}
+	// HID0  = usb.HID{Port: 0}
+	// UART0 = &UART1
 )
 
 // #=====================================================#
diff --git a/src/runtime/runtime_mimxrt1062.go b/src/runtime/runtime_mimxrt1062.go
index 994c355b9..86239878e 100644
--- a/src/runtime/runtime_mimxrt1062.go
+++ b/src/runtime/runtime_mimxrt1062.go
@@ -125,8 +125,8 @@ func initUART() {
 }
 
 func initUSB() {
-	machine.HID0.Configure(usb.HIDConfig{})
-	// machine.UART0.Configure(usb.UARTConfig{})
+	// machine.HID0.Configure(usb.HIDConfig{})
+	machine.UART0.Configure(usb.UARTConfig{})
 }
 
 func putchar(c byte) {