diff --git a/[refs] b/[refs]
index 9f3e345cac39..f226af47eab3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f550d94cf9f86bc54e31dae2aee1a03d678c6e7f
+refs/heads/master: 20eebcf09c2d329e4dcdd765634c0a524195e16d
diff --git a/trunk/drivers/net/mlx4/main.c b/trunk/drivers/net/mlx4/main.c
index 4debb024eaf9..20b8c0d3ced4 100644
--- a/trunk/drivers/net/mlx4/main.c
+++ b/trunk/drivers/net/mlx4/main.c
@@ -542,8 +542,6 @@ static int __devinit mlx4_setup_hca(struct mlx4_dev *dev)
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	int err;
 
-	MLX4_INIT_DOORBELL_LOCK(&priv->doorbell_lock);
-
 	err = mlx4_init_uar_table(dev);
 	if (err) {
 		mlx4_err(dev, "Failed to initialize "
diff --git a/trunk/drivers/net/mlx4/mlx4.h b/trunk/drivers/net/mlx4/mlx4.h
index 9befbae3d196..3d3b6d24d8d3 100644
--- a/trunk/drivers/net/mlx4/mlx4.h
+++ b/trunk/drivers/net/mlx4/mlx4.h
@@ -275,7 +275,6 @@ struct mlx4_priv {
 
 	struct mlx4_uar		driver_uar;
 	void __iomem	       *kar;
-	MLX4_DECLARE_DOORBELL_LOCK(doorbell_lock)
 
 	u32			rev_id;
 	char			board_id[MLX4_BOARD_ID_LEN];