diff --git a/sound/soc/au1x/dbdma2.c b/sound/soc/au1x/dbdma2.c
index b06b8d8128c6..dd94fea72d5d 100644
--- a/sound/soc/au1x/dbdma2.c
+++ b/sound/soc/au1x/dbdma2.c
@@ -315,11 +315,6 @@ static struct snd_pcm_ops au1xpsc_pcm_ops = {
 	.pointer	= au1xpsc_pcm_pointer,
 };
 
-static void au1xpsc_pcm_free_dma_buffers(struct snd_pcm *pcm)
-{
-	snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
 static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_card *card = rtd->card->snd_card;
@@ -335,7 +330,6 @@ static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 static struct snd_soc_platform_driver au1xpsc_soc_platform = {
 	.ops		= &au1xpsc_pcm_ops,
 	.pcm_new	= au1xpsc_pcm_new,
-	.pcm_free	= au1xpsc_pcm_free_dma_buffers,
 };
 
 static int au1xpsc_pcm_drvprobe(struct platform_device *pdev)
diff --git a/sound/soc/au1x/dma.c b/sound/soc/au1x/dma.c
index 6ffaaff469c7..24cc7f40d87a 100644
--- a/sound/soc/au1x/dma.c
+++ b/sound/soc/au1x/dma.c
@@ -287,11 +287,6 @@ static struct snd_pcm_ops alchemy_pcm_ops = {
 	.pointer		= alchemy_pcm_pointer,
 };
 
-static void alchemy_pcm_free_dma_buffers(struct snd_pcm *pcm)
-{
-	snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
 static int alchemy_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm *pcm = rtd->pcm;
@@ -305,7 +300,6 @@ static int alchemy_pcm_new(struct snd_soc_pcm_runtime *rtd)
 static struct snd_soc_platform_driver alchemy_pcm_soc_platform = {
 	.ops		= &alchemy_pcm_ops,
 	.pcm_new	= alchemy_pcm_new,
-	.pcm_free	= alchemy_pcm_free_dma_buffers,
 };
 
 static int alchemy_pcm_drvprobe(struct platform_device *pdev)