diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 1d29b1fd6a94..0c096db07322 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -897,6 +897,7 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
 /* dsp_unmap: not currently used */
 	iounmap(sdev->bar[HDA_DSP_BAR]);
 hdac_bus_unmap:
+	platform_device_unregister(hdev->dmic_dev);
 	iounmap(bus->remap_addr);
 	hda_codec_i915_exit(sdev);
 err: