diff --git a/core/mac/inc/sir_api.h b/core/mac/inc/sir_api.h
index 1791f4a63744..4851285e8130 100644
--- a/core/mac/inc/sir_api.h
+++ b/core/mac/inc/sir_api.h
@@ -4931,29 +4931,6 @@ struct sir_lost_link_info {
 #define RTT_FINE_TIME_MEAS_INITIATOR_CAPABILITY 0x02
 #define RTT_FINE_TIME_MEAS_RESPONDER_CAPABILITY 0x03
 
-/**
- * enum fine_time_meas_mask - bit mask to identify device's
- *                            fine timing measurement capability
- * @FINE_TIME_MEAS_STA_INITIATOR - STA role, Initiator capability is supported
- * @FINE_TIME_MEAS_STA_RESPONDER - STA role, Responder capability is supported
- * @FINE_TIME_MEAS_P2PCLI_INITIATOR - P2P-CLI supports initiator capability
- * @FINE_TIME_MEAS_P2PCLI_RESPONDER - P2P-CLI supports responder capability
- * @FINE_TIME_MEAS_P2PGO_INITIATOR - P2P-GO supports initiator capability
- * @FINE_TIME_MEAS_P2PGO_RESPONDER - P2P-GO supports responder capability
- * @FINE_TIME_MEAS_SAP_INITIATOR - SAP role, Initiator capability is supported
- * @FINE_TIME_MEAS_SAP_RESPONDER - SAP role, Responder capability is supported
- */
-enum fine_time_meas_mask {
-	FINE_TIME_MEAS_STA_INITIATOR    = (1 << (0)),
-	FINE_TIME_MEAS_STA_RESPONDER    = (1 << (1)),
-	FINE_TIME_MEAS_P2PCLI_INITIATOR = (1 << (2)),
-	FINE_TIME_MEAS_P2PCLI_RESPONDER = (1 << (3)),
-	FINE_TIME_MEAS_P2PGO_INITIATOR  = (1 << (4)),
-	FINE_TIME_MEAS_P2PGO_RESPONDER  = (1 << (5)),
-	FINE_TIME_MEAS_SAP_INITIATOR    = (1 << (6)),
-	FINE_TIME_MEAS_SAP_RESPONDER    = (1 << (7)),
-};
-
 /* number of neighbor reports that we can handle in Neighbor Report Response */
 #define MAX_SUPPORTED_NEIGHBOR_RPT 15