diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
index afc1d8144a84..10deb5745dda 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
@@ -147,7 +147,6 @@ vchiq_static_assert((sizeof(BITSET_T) * 8) == 32);
 #define BITSET_SIZE(b)        ((b + 31) >> 5)
 #define BITSET_WORD(b)        (b >> 5)
 #define BITSET_BIT(b)         (1 << (b & 31))
-#define BITSET_ZERO(bs)       memset(bs, 0, sizeof(bs))
 #define BITSET_IS_SET(bs, b)  (bs[BITSET_WORD(b)] & BITSET_BIT(b))
 #define BITSET_SET(bs, b)     (bs[BITSET_WORD(b)] |= BITSET_BIT(b))
 #define BITSET_CLR(bs, b)     (bs[BITSET_WORD(b)] &= ~BITSET_BIT(b))