diff --git a/optiboot/bootloaders/optiboot/optiboot.c b/optiboot/bootloaders/optiboot/optiboot.c
index df807ab..08aa906 100644
--- a/optiboot/bootloaders/optiboot/optiboot.c
+++ b/optiboot/bootloaders/optiboot/optiboot.c
@@ -359,7 +359,9 @@ void __attribute__((noinline)) verifySpace();
 void __attribute__((noinline)) watchdogConfig(uint8_t x);
 
 static inline void getNch(uint8_t);
+#if LED_START_FLASHES > 0
 static inline void flash_led(uint8_t);
+#endif
 static inline void watchdogReset();
 static inline void writebuffer(int8_t memtype, uint8_t *mybuff,
 			       uint16_t address, pagelen_t len);