diff --git a/sys/dev/sfxge/common/efx_impl.h b/sys/dev/sfxge/common/efx_impl.h
index 70390b549397..752639b6e8ab 100644
--- a/sys/dev/sfxge/common/efx_impl.h
+++ b/sys/dev/sfxge/common/efx_impl.h
@@ -702,7 +702,6 @@ struct efx_evq_s {
 
 #define	EFX_EVQ_MAGIC	0x08081997
 
-#define	EFX_EVQ_FALCON_TIMER_QUANTUM_NS	4968 /* 621 cycles */
 #define	EFX_EVQ_SIENA_TIMER_QUANTUM_NS	6144 /* 768 cycles */
 
 struct efx_rxq_s {