diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index 4bb9636da990..94be024a99eb 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -455,11 +455,6 @@ static int bdw_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
 	sof_block_read(sdev, sdev->mmio_bar, offset, fw_ready,
 		       sizeof(*fw_ready));
 
-	snd_sof_dsp_mailbox_init(sdev, fw_ready->dspbox_offset,
-				 fw_ready->dspbox_size,
-				 fw_ready->hostbox_offset,
-				 fw_ready->hostbox_size);
-
 	/* make sure ABI version is compatible */
 	ret = snd_sof_ipc_valid(sdev);
 	if (ret < 0)
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index 000d576f6a8d..cb8f02ee09f2 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -237,11 +237,6 @@ static int byt_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
 	sof_block_read(sdev, sdev->mmio_bar, offset, fw_ready,
 		       sizeof(*fw_ready));
 
-	snd_sof_dsp_mailbox_init(sdev, fw_ready->dspbox_offset,
-				 fw_ready->dspbox_size,
-				 fw_ready->hostbox_offset,
-				 fw_ready->hostbox_size);
-
 	/* make sure ABI version is compatible */
 	ret = snd_sof_ipc_valid(sdev);
 	if (ret < 0)