diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 95ac8c680037..a560d06097d5 100644
--- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -301,9 +301,11 @@ static int acp_pdm_dma_close(struct snd_soc_component *component,
 			     struct snd_pcm_substream *substream)
 {
 	struct pdm_dev_data *adata = dev_get_drvdata(component->dev);
+	struct pdm_stream_instance *rtd = substream->runtime->private_data;
 
 	disable_pdm_interrupts(adata->acp_base);
 	adata->capture_stream = NULL;
+	kfree(rtd);
 	return 0;
 }