diff --git a/include/nuttx/wireless/ieee802154/ieee802154_mac.h b/include/nuttx/wireless/ieee802154/ieee802154_mac.h
index 407360d8157..1b43c3c3bb5 100644
--- a/include/nuttx/wireless/ieee802154/ieee802154_mac.h
+++ b/include/nuttx/wireless/ieee802154/ieee802154_mac.h
@@ -95,7 +95,6 @@
 
 /* Frame Type */
 
-#define IEEE802154_FC1_FTYPE          0x03
 #define IEEE802154_FRAME_BEACON       0x00
 #define IEEE802154_FRAME_DATA         0x01
 #define IEEE802154_FRAME_ACK          0x02