diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 3c4b604412f0..a10166741865 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -672,6 +672,7 @@ free_streams:
 /* dsp_unmap: not currently used */
 	iounmap(sdev->bar[HDA_DSP_BAR]);
 hdac_bus_unmap:
+	platform_device_unregister(hdev->dmic_dev);
 	iounmap(bus->remap_addr);
 err:
 	return ret;