diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 090bf81076e8444c7e216d7960a2c249f3507888..f9cbc67f1694283c21a393b7f43b615e79a152e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -853,12 +853,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev_cap->max_eqs = 1 << (field & 0xf);
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
 	dev_cap->reserved_mtts = 1 << (field >> 4);
-	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
-	dev_cap->max_mrw_sz = 1 << field;
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
 	dev_cap->reserved_mrws = 1 << (field & 0xf);
-	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
-	dev_cap->max_mtt_seg = 1 << (field & 0x3f);
 	MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET);
 	dev_cap->num_sys_eqs = size & 0xfff;
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h
index f11614f125175f020779608c3fd9c6c5c97feeef..5343a0599253b98d6f2b9b77b65210a4e1e0abf9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.h
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.h
@@ -80,9 +80,7 @@ struct mlx4_dev_cap {
 	int max_eqs;
 	int num_sys_eqs;
 	int reserved_mtts;
-	int max_mrw_sz;
 	int reserved_mrws;
-	int max_mtt_seg;
 	int max_requester_per_qp;
 	int max_responder_per_qp;
 	int max_rdma_global;