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-rw-r--r--src/lpc/ao_arch.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/lpc/ao_arch.h b/src/lpc/ao_arch.h
index 1b4c61f2..42faf06f 100644
--- a/src/lpc/ao_arch.h
+++ b/src/lpc/ao_arch.h
@@ -124,8 +124,6 @@ ao_adc_init(void);
#define AO_USB_OUT_EP 2
#define AO_USB_IN_EP 3
-extern uint8_t ao_usb_out_avail;
-
void
ao_serial_init(void);